{"id":3967,"date":"2026-04-20T13:54:48","date_gmt":"2026-04-20T17:54:48","guid":{"rendered":"https:\/\/dev26.lecowebtest.com\/news\/\/"},"modified":"2026-07-10T13:22:46","modified_gmt":"2026-07-10T17:22:46","slug":"evenement-de-degustation-communautaire-de-la-chimie-du-vin","status":"publish","type":"post","link":"https:\/\/www.leco.com\/fr\/news\/chemistry-of-wine-community-tasting-event\/","title":{"rendered":"La chimie du vin : quand le go\u00fbt, la science et la communaut\u00e9 se rencontrent dans le sud-ouest du Michigan"},"content":{"rendered":"<div class=\"wp-block-group is-style-leco-vertical-margin-top has-global-padding is-layout-constrained wp-container-core-group-is-layout-875e403b wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group leco-published-on is-nowrap is-layout-flex wp-container-core-group-is-layout-70236872 wp-block-group-is-layout-flex\">\n<p class=\"wp-block-paragraph\">Publi\u00e9 le<\/p>\n\n\n<div style=\"line-height:1\" class=\"wp-block-post-date has-custom-1-font-size\"><time datetime=\"2026-04-20T13:54:48-04:00\">20 avril 2026<\/time><\/div><\/div>\n\n\n\n<h1 class=\"wp-block-heading is-style-h2-style\">La chimie du vin : quand le go\u00fbt, la science et la communaut\u00e9 se rencontrent dans le sud-ouest du Michigan<\/h1>\n<\/div>\n\n\n\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\"><figure class=\"is-style-rounded wp-block-post-featured-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1280\" height=\"720\" src=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/alex-blematl-lake-michigan-college-wine-tasting.webp\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"Participants \u00e0 la d\u00e9gustation de vins rouges de chimie du vin\" style=\"object-fit:cover;\" srcset=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/alex-blematl-lake-michigan-college-wine-tasting.webp 1280w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/alex-blematl-lake-michigan-college-wine-tasting-300x169.webp 300w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/alex-blematl-lake-michigan-college-wine-tasting-1024x576.webp 1024w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/alex-blematl-lake-michigan-college-wine-tasting-768x432.webp 768w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/alex-blematl-lake-michigan-college-wine-tasting-18x10.webp 18w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\"><\/figure><\/div>\n\n\n\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-container-core-group-is-layout-1ea9787f wp-block-group-is-layout-constrained\" style=\"margin-top:48px\">\n<div class=\"leco-share-article align-left wp-block-create-block-leco-share-article\">\n\t<div class=\"share-article-wrapper\">\n\t\t<button class=\"share-article-button\" data-url=\"https:\/\/www.leco.com\/fr\/news\/chemistry-of-wine-community-tasting-event\/\" aria-label=\"Partager l&#039;article\">\n\t\t\tPartager l'article\t\t<\/button>\n\t\t<span class=\"share-article-copied\" aria-live=\"polite\" aria-atomic=\"true\">\n\t\t\tLien de l'article copi\u00e9\t\t<\/span>\n\t<\/div>\n<\/div>\n\n\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\" style=\"margin-top:0\">\n<hr class=\"wp-block-separator has-text-color has-sl-1-color has-alpha-channel-opacity has-sl-1-background-color has-background has-base-100-color has-base-100-background-color is-style-default\" style=\"margin-top:60px;margin-bottom:60px\">\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Le vin est souvent d\u00e9crit avec des mots po\u00e9tiques \u2014 agrumes, cacao, floral ou terreux \u2014 pourtant, derri\u00e8re chaque note se cache une histoire chimique complexe fa\u00e7onn\u00e9e par le vignoble, le vigneron et le temps. Pour de nombreux amateurs de vin, la science reste invisible.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00c0 <em>La chimie du vin<\/em>, lors d&#x27;une d\u00e9gustation organis\u00e9e conjointement par LECO et le Lake Michigan College, la science est sortie des laboratoires pour s&#x27;inviter dans les verres. Les invit\u00e9s ont d\u00e9gust\u00e9 des vins produits localement tout en d\u00e9couvrant comment la chimie permet d&#x27;expliquer ce que nous sentons, go\u00fbtons et appr\u00e9cions.<\/p>\n\n\n\n<figure data-wp-context='{\"galleryId\":\"6a932274a47c5\"}' data-wp-interactive=\"core\/gallery\" class=\"wp-block-gallery has-nested-images columns-3 is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure data-wp-context='{\"imageId\":\"6a932274a4ecf\"}' data-wp-interactive=\"core\/image\" data-wp-key=\"6a932274a4ecf\" class=\"wp-block-image size-large wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on--pointerdown=\"actions.preloadImage\" data-wp-on--pointerenter=\"actions.preloadImageWithDelay\" data-wp-on--pointerleave=\"actions.cancelPreload\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" data-id=\"4263\" src=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/liz-presenting-lake-michigan-college-wine-tasting-1024x576.webp\" alt=\"Liz Huston-Fulmer pr\u00e9sentant \u00e0 The Chemistry of Wine\" class=\"wp-image-4263\" srcset=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/liz-presenting-lake-michigan-college-wine-tasting-1024x576.webp 1024w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/liz-presenting-lake-michigan-college-wine-tasting-300x169.webp 300w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/liz-presenting-lake-michigan-college-wine-tasting-768x432.webp 768w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/liz-presenting-lake-michigan-college-wine-tasting-18x10.webp 18w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/liz-presenting-lake-michigan-college-wine-tasting.webp 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><button class=\"lightbox-trigger\" type=\"button\" aria-haspopup=\"dialog\" data-wp-bind--aria-label=\"state.thisImage.triggerButtonAriaLabel\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" data-wp-style--right=\"state.thisImage.buttonRight\" data-wp-style--top=\"state.thisImage.buttonTop\">\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewbox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\"><\/path>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n\n\n\n<figure data-wp-context='{\"imageId\":\"6a932274a5671\"}' data-wp-interactive=\"core\/image\" data-wp-key=\"6a932274a5671\" class=\"wp-block-image size-large wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on--pointerdown=\"actions.preloadImage\" data-wp-on--pointerenter=\"actions.preloadImageWithDelay\" data-wp-on--pointerleave=\"actions.cancelPreload\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" data-id=\"4257\" src=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/john-beck-lake-michigan-college-wine-tasting-1024x576.webp\" alt=\"Les participants au cours \u00ab Chimie du vin \u00bb d\u00e9gustent du vin blanc\" class=\"wp-image-4257\" srcset=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/john-beck-lake-michigan-college-wine-tasting-1024x576.webp 1024w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/john-beck-lake-michigan-college-wine-tasting-300x169.webp 300w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/john-beck-lake-michigan-college-wine-tasting-768x432.webp 768w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/john-beck-lake-michigan-college-wine-tasting-18x10.webp 18w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/john-beck-lake-michigan-college-wine-tasting.webp 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><button class=\"lightbox-trigger\" type=\"button\" aria-haspopup=\"dialog\" data-wp-bind--aria-label=\"state.thisImage.triggerButtonAriaLabel\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" data-wp-style--right=\"state.thisImage.buttonRight\" data-wp-style--top=\"state.thisImage.buttonTop\">\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewbox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\"><\/path>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n\n\n\n<figure data-wp-context='{\"imageId\":\"6a932274a5d3e\"}' data-wp-interactive=\"core\/image\" data-wp-key=\"6a932274a5d3e\" class=\"wp-block-image size-large wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on--pointerdown=\"actions.preloadImage\" data-wp-on--pointerenter=\"actions.preloadImageWithDelay\" data-wp-on--pointerleave=\"actions.cancelPreload\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" data-id=\"4258\" src=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/joe-binkley-lake-michigan-college-wine-tasting-1024x576.webp\" alt=\"Participants de La chimie du vin\" class=\"wp-image-4258\" srcset=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/joe-binkley-lake-michigan-college-wine-tasting-1024x576.webp 1024w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/joe-binkley-lake-michigan-college-wine-tasting-300x169.webp 300w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/joe-binkley-lake-michigan-college-wine-tasting-768x432.webp 768w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/joe-binkley-lake-michigan-college-wine-tasting-18x10.webp 18w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/joe-binkley-lake-michigan-college-wine-tasting.webp 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><button class=\"lightbox-trigger\" type=\"button\" aria-haspopup=\"dialog\" data-wp-bind--aria-label=\"state.thisImage.triggerButtonAriaLabel\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" data-wp-style--right=\"state.thisImage.buttonRight\" data-wp-style--top=\"state.thisImage.buttonTop\">\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewbox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\"><\/path>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n\n\n\n<figure data-wp-context='{\"imageId\":\"6a932274a640b\"}' data-wp-interactive=\"core\/image\" data-wp-key=\"6a932274a640b\" class=\"wp-block-image size-large wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on--pointerdown=\"actions.preloadImage\" data-wp-on--pointerenter=\"actions.preloadImageWithDelay\" data-wp-on--pointerleave=\"actions.cancelPreload\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" data-id=\"4238\" src=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/susan-wilczak-lia-mccoskey-lake-michigan-college-wine-tasting-1024x576.webp\" alt=\"Participants de La chimie du vin\" class=\"wp-image-4238\" srcset=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/susan-wilczak-lia-mccoskey-lake-michigan-college-wine-tasting-1024x576.webp 1024w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/susan-wilczak-lia-mccoskey-lake-michigan-college-wine-tasting-300x169.webp 300w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/susan-wilczak-lia-mccoskey-lake-michigan-college-wine-tasting-768x432.webp 768w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/susan-wilczak-lia-mccoskey-lake-michigan-college-wine-tasting-18x10.webp 18w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/susan-wilczak-lia-mccoskey-lake-michigan-college-wine-tasting.webp 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><button class=\"lightbox-trigger\" type=\"button\" aria-haspopup=\"dialog\" data-wp-bind--aria-label=\"state.thisImage.triggerButtonAriaLabel\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" data-wp-style--right=\"state.thisImage.buttonRight\" data-wp-style--top=\"state.thisImage.buttonTop\">\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewbox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\"><\/path>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n\n\n\n<figure data-wp-context='{\"imageId\":\"6a932274a6ac9\"}' data-wp-interactive=\"core\/image\" data-wp-key=\"6a932274a6ac9\" class=\"wp-block-image size-large wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on--pointerdown=\"actions.preloadImage\" data-wp-on--pointerenter=\"actions.preloadImageWithDelay\" data-wp-on--pointerleave=\"actions.cancelPreload\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" data-id=\"4259\" src=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/mason-marsh-matt-most-lake-michigan-college-wine-tasting-1024x576.webp\" alt=\"Les participants au s\u00e9minaire \u00ab Chimie du vin \u00bb discutent des ar\u00f4mes du vin\" class=\"wp-image-4259\" srcset=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/mason-marsh-matt-most-lake-michigan-college-wine-tasting-1024x576.webp 1024w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/mason-marsh-matt-most-lake-michigan-college-wine-tasting-300x169.webp 300w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/mason-marsh-matt-most-lake-michigan-college-wine-tasting-768x432.webp 768w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/mason-marsh-matt-most-lake-michigan-college-wine-tasting-18x10.webp 18w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/mason-marsh-matt-most-lake-michigan-college-wine-tasting.webp 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><button class=\"lightbox-trigger\" type=\"button\" aria-haspopup=\"dialog\" data-wp-bind--aria-label=\"state.thisImage.triggerButtonAriaLabel\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" data-wp-style--right=\"state.thisImage.buttonRight\" data-wp-style--top=\"state.thisImage.buttonTop\">\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewbox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\"><\/path>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n\n\n\n<figure data-wp-context='{\"imageId\":\"6a932274a71b9\"}' data-wp-interactive=\"core\/image\" data-wp-key=\"6a932274a71b9\" class=\"wp-block-image size-large wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on--pointerdown=\"actions.preloadImage\" data-wp-on--pointerenter=\"actions.preloadImageWithDelay\" data-wp-on--pointerleave=\"actions.cancelPreload\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" data-id=\"4240\" src=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/leco-tlc-lake-michigan-college-wine-tasting-1024x576.webp\" alt=\"Les participants au cours \u00ab Chimie du vin \u00bb examinent visuellement des vins rouges\" class=\"wp-image-4240\" srcset=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/leco-tlc-lake-michigan-college-wine-tasting-1024x576.webp 1024w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/leco-tlc-lake-michigan-college-wine-tasting-300x169.webp 300w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/leco-tlc-lake-michigan-college-wine-tasting-768x432.webp 768w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/leco-tlc-lake-michigan-college-wine-tasting-18x10.webp 18w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/leco-tlc-lake-michigan-college-wine-tasting.webp 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><button class=\"lightbox-trigger\" type=\"button\" aria-haspopup=\"dialog\" data-wp-bind--aria-label=\"state.thisImage.triggerButtonAriaLabel\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" data-wp-style--right=\"state.thisImage.buttonRight\" data-wp-style--top=\"state.thisImage.buttonTop\">\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewbox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\"><\/path>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n\n\n\n<figure data-wp-context='{\"imageId\":\"6a932274a7800\"}' data-wp-interactive=\"core\/image\" data-wp-key=\"6a932274a7800\" class=\"wp-block-image size-large wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on--pointerdown=\"actions.preloadImage\" data-wp-on--pointerenter=\"actions.preloadImageWithDelay\" data-wp-on--pointerleave=\"actions.cancelPreload\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" data-id=\"4260\" src=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/greg-fulmer-closeup-lake-michigan-college-wine-tasting-1024x576.webp\" alt=\"Les participants au cours \u00ab Chimie du vin \u00bb hument le vin pour commencer l&#x27;analyse des ar\u00f4mes\" class=\"wp-image-4260\" srcset=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/greg-fulmer-closeup-lake-michigan-college-wine-tasting-1024x576.webp 1024w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/greg-fulmer-closeup-lake-michigan-college-wine-tasting-300x169.webp 300w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/greg-fulmer-closeup-lake-michigan-college-wine-tasting-768x432.webp 768w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/greg-fulmer-closeup-lake-michigan-college-wine-tasting-18x10.webp 18w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/greg-fulmer-closeup-lake-michigan-college-wine-tasting.webp 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><button class=\"lightbox-trigger\" type=\"button\" aria-haspopup=\"dialog\" data-wp-bind--aria-label=\"state.thisImage.triggerButtonAriaLabel\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" data-wp-style--right=\"state.thisImage.buttonRight\" data-wp-style--top=\"state.thisImage.buttonTop\">\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewbox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\"><\/path>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n\n\n\n<figure data-wp-context='{\"imageId\":\"6a932274a7e1d\"}' data-wp-interactive=\"core\/image\" data-wp-key=\"6a932274a7e1d\" class=\"wp-block-image size-large wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on--pointerdown=\"actions.preloadImage\" data-wp-on--pointerenter=\"actions.preloadImageWithDelay\" data-wp-on--pointerleave=\"actions.cancelPreload\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" data-id=\"4241\" src=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/kirstin-rossman-lake-michigan-college-wine-tasting-1024x576.webp\" alt=\"Des participants au cours de Chimie du Vin profitant d&#039;une conversation\" class=\"wp-image-4241\" srcset=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/kirstin-rossman-lake-michigan-college-wine-tasting-1024x576.webp 1024w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/kirstin-rossman-lake-michigan-college-wine-tasting-300x169.webp 300w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/kirstin-rossman-lake-michigan-college-wine-tasting-768x432.webp 768w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/kirstin-rossman-lake-michigan-college-wine-tasting-18x10.webp 18w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/kirstin-rossman-lake-michigan-college-wine-tasting.webp 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><button class=\"lightbox-trigger\" type=\"button\" aria-haspopup=\"dialog\" data-wp-bind--aria-label=\"state.thisImage.triggerButtonAriaLabel\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" data-wp-style--right=\"state.thisImage.buttonRight\" data-wp-style--top=\"state.thisImage.buttonTop\">\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewbox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\"><\/path>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n\n\n\n<figure data-wp-context='{\"imageId\":\"6a932274a81b3\"}' data-wp-interactive=\"core\/image\" data-wp-key=\"6a932274a81b3\" class=\"wp-block-image size-large wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on--pointerdown=\"actions.preloadImage\" data-wp-on--pointerenter=\"actions.preloadImageWithDelay\" data-wp-on--pointerleave=\"actions.cancelPreload\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" data-id=\"4242\" src=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/alex-blematl-lake-michigan-college-wine-tasting-1024x576.webp\" alt=\"Participants \u00e0 la d\u00e9gustation de vins rouges de chimie du vin\" class=\"wp-image-4242\" srcset=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/alex-blematl-lake-michigan-college-wine-tasting-1024x576.webp 1024w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/alex-blematl-lake-michigan-college-wine-tasting-300x169.webp 300w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/alex-blematl-lake-michigan-college-wine-tasting-768x432.webp 768w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/alex-blematl-lake-michigan-college-wine-tasting-18x10.webp 18w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/alex-blematl-lake-michigan-college-wine-tasting.webp 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><button class=\"lightbox-trigger\" type=\"button\" aria-haspopup=\"dialog\" data-wp-bind--aria-label=\"state.thisImage.triggerButtonAriaLabel\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" data-wp-style--right=\"state.thisImage.buttonRight\" data-wp-style--top=\"state.thisImage.buttonTop\">\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewbox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\"><\/path>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n<\/figure>\n\n\n\n<div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\" style=\"margin-top:var(--wp--preset--spacing--2-xl)\">\n<h2 class=\"wp-block-heading\">Un v\u00e9ritable partenariat local<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">LECO a son si\u00e8ge social \u00e0 St. Joseph, dans le Michigan, au c\u0153ur de l\u2019American Viticulture Area (AVA) du lac Michigan. Cette r\u00e9gion de 1,3 million d\u2019acres, situ\u00e9e dans le sud-ouest du Michigan, repr\u00e9sente plus de 80% de la production totale de raisin de l\u2019\u00c9tat. Situ\u00e9e \u00e0 42 degr\u00e9s de latitude nord, la <a href=\"https:\/\/michigan.guides.winefolly.com\/regions\/lake-michigan-shore\/\" target=\"_blank\" rel=\"noopener\">Lake Michigan Shore AVA<\/a> est g\u00e9ographiquement similaire aux c\u00e9l\u00e8bres r\u00e9gions viticoles d'Europe, notamment la France, l'Allemagne et l'Espagne. Les sols glaciaires et \u201c l'effet de lac \u201d contribuent \u00e0 une r\u00e9gion agricole extr\u00eamement productive.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Desservant une grande partie de cette m\u00eame zone, <a href=\"https:\/\/www.lakemichigancollege.edu\/\" data-type=\"link\" data-id=\"https:\/\/www.lakemichigancollege.edu\/\" target=\"_blank\" rel=\"noopener\">Lake Michigan College<\/a> (LMC) est un coll\u00e8ge communautaire public local, situ\u00e9 dans la ville voisine de Benton Harbor, dans le Michigan. Parmi ses nombreux programmes et services communautaires, LMC abrite la seule cave vinicole d'enseignement du Midwest, le <a href=\"https:\/\/lakemichiganvintners.com\/\" data-type=\"link\" data-id=\"https:\/\/lakemichiganvintners.com\/\" target=\"_blank\" rel=\"noopener\">Lake Michigan Vintners<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Gr\u00e2ce \u00e0 leur <a href=\"https:\/\/www.lakemichigancollege.edu\/academics\/culinary-wineviticulture\/wine-and-viticulture\" data-type=\"link\" data-id=\"https:\/\/www.lakemichigancollege.edu\/academics\/culinary-wineviticulture\/wine-and-viticulture\" target=\"_blank\" rel=\"noopener\">Fili\u00e8re \u00ab Technologie du vin et de la viticulture \u00bb<\/a>, les \u00e9tudiants acqui\u00e8rent une exp\u00e9rience pratique de l&#x27;ensemble du processus de vinification \u2014 depuis la r\u00e9colte des raisins dans les vignobles voisins jusqu&#x27;\u00e0 la mise en bouteille et le service, en passant par le foulage et l&#x27;\u00e9levage \u2014 au sein d&#x27;un domaine viticole et d&#x27;une salle de d\u00e9gustation enti\u00e8rement op\u00e9rationnels.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\">\n<h2 class=\"wp-block-heading\">D\u00e9veloppement de la chimie complexe<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Chaque d\u00e9cision prise au cours du processus de vinification a une incidence sur le produit final, et les instruments LECO accompagnent les vignerons \u00e0 chaque \u00e9tape. Justin Ledyard, chef de produit LECO pour la gamme Organic Instruments (<em>ci-dessous, \u00e0 gauche<\/em>), a expliqu\u00e9 l&#x27;importance de mesurer l&#x27;humidit\u00e9 et d&#x27;analyser les \u00e9l\u00e9ments essentiels (carbone, azote et soufre) qui influent sur la sant\u00e9 des sols.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L&#x27;azote et le soufre sont tous deux des \u00e9l\u00e9ments nutritifs essentiels \u00e0 la croissance des plantes. Les agronomes utilisent les donn\u00e9es obtenues \u00e0 l&#x27;aide d&#x27;instruments tels que le <a href=\"https:\/\/www.leco.com\/fr\/products\/828-series\/\" data-type=\"products\" data-id=\"1583\">CN828<\/a> et <a href=\"https:\/\/www.leco.com\/fr\/products\/832-series\/\" data-type=\"products\" data-id=\"1584\">SC832<\/a> afin de d\u00e9terminer les nutriments disponibles dans le sol et d&#x27;\u00e9tayer les d\u00e9cisions relatives \u00e0 l&#x27;\u00e9pandage d&#x27;engrais. Les mesures du carbone organique total (COT) refl\u00e8tent la quantit\u00e9 de mati\u00e8re organique pr\u00e9sente dans le sol. Une caract\u00e9risation d\u00e9taill\u00e9e de la sp\u00e9ciation et de la teneur en carbone est essentielle pour am\u00e9liorer la structure du sol, sa capacit\u00e9 de r\u00e9tention d&#x27;eau et pr\u00e9server la vie microbienne.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-2 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" data-id=\"4262\" src=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/justin-presenting-lake-michigan-college-wine-tasting-1024x576.webp\" alt=\"Justin Ledyard, LECO\" class=\"wp-image-4262\" srcset=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/justin-presenting-lake-michigan-college-wine-tasting-1024x576.webp 1024w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/justin-presenting-lake-michigan-college-wine-tasting-300x169.webp 300w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/justin-presenting-lake-michigan-college-wine-tasting-768x432.webp 768w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/justin-presenting-lake-michigan-college-wine-tasting-18x10.webp 18w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/justin-presenting-lake-michigan-college-wine-tasting.webp 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" data-id=\"2869\" src=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/03\/scientist-loading-coal-samples-tga801-1024x576.webp\" alt=\"Scientifique chargeant des \u00e9chantillons dans un analyseur thermogravim\u00e9trique\" class=\"wp-image-2869\" srcset=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/03\/scientist-loading-coal-samples-tga801-1024x576.webp 1024w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/03\/scientist-loading-coal-samples-tga801-300x169.webp 300w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/03\/scientist-loading-coal-samples-tga801-768x432.webp 768w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/03\/scientist-loading-coal-samples-tga801-18x10.webp 18w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/03\/scientist-loading-coal-samples-tga801.webp 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Teneur en humidit\u00e9, d\u00e9termin\u00e9e par analyse thermogravim\u00e9trique selon la m\u00e9thode LECO <a href=\"https:\/\/www.leco.com\/fr\/products\/thermogravimetric-analyzer\/\" data-type=\"products\" data-id=\"1634\">TGA801<\/a> et <a href=\"https:\/\/www.leco.com\/fr\/products\/thermogravimetric-moisture\/\" data-type=\"products\" data-id=\"1635\">TGM800<\/a>, est essentielle \u00e0 la sant\u00e9 des plantes : elle assure le transport des nutriments, r\u00e9gule la temp\u00e9rature du sol et favorise la vie microbienne. La d\u00e9termination pr\u00e9cise de la teneur en humidit\u00e9 constitue \u00e9galement un facteur d\u00e9terminant pour l&#x27;\u00e9valuation de divers composants du sol pr\u00e9sentant un int\u00e9r\u00eat analytique. Dans le vignoble, les d\u00e9cisions relatives \u00e0 l&#x27;humidit\u00e9 et \u00e0 l&#x27;irrigation ont un impact sur la sant\u00e9 et la croissance des raisins, qui constituent la base du d\u00e9veloppement des ar\u00f4mes.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\">\n<h2 class=\"wp-block-heading\">D\u00e9velopper les saveurs<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Le raisin et le vin contiennent des centaines de compos\u00e9s chimiques appel\u00e9s analytes. Les outils analytiques, en particulier la chromatographie en phase gazeuse coupl\u00e9e \u00e0 la spectrom\u00e9trie de masse (GC-MS), mesurent ces analytes pour mieux comprendre les caract\u00e9ristiques et la composition chimique d'un \u00e9chantillon. Les analytes commencent \u00e0 se d\u00e9velopper dans le vignoble et continuent de se former tout au long du processus de vinification, les variations \u00e0 chaque \u00e9tape conduisant \u00e0 des m\u00e9langes d'analytes diff\u00e9rents selon les vins. \u00a0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">D\u00e8s la r\u00e9colte des raisins, leur composition chimique commence \u00e0 \u00e9voluer. Les raisins contiennent de nombreux compos\u00e9s, notamment des terp\u00e8nes, qui constituent l\u2019un des types de compos\u00e9s contribuant \u00e0 l\u2019ar\u00f4me. Le foulage lib\u00e8re le jus, exposant ainsi les compos\u00e9s \u00e0 l\u2019oxyg\u00e8ne et d\u00e9clenchant des r\u00e9actions enzymatiques. L&#x27;ajout de levures d\u00e9clenche la fermentation des jus, qui transforme les sucres en alcool et g\u00e9n\u00e8re de nouvelles combinaisons d&#x27;analytes par le biais d&#x27;autres r\u00e9actions. De nombreux esters (un autre type d&#x27;analyte contribuant \u00e0 l&#x27;ar\u00f4me) se forment au cours de la fermentation. Le vieillissement ralentit la fermentation et permet aux ar\u00f4mes de se d\u00e9velopper, tout en apportant potentiellement de nouveaux analytes au vin provenant des f\u00fbts et des m\u00e9thodes de conservation.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les ar\u00f4mes du vin ne cessent d&#x27;\u00e9voluer, m\u00eame apr\u00e8s la mise en bouteille. Les compos\u00e9s analys\u00e9s continuent de r\u00e9agir lentement, modifiant sans cesse les caract\u00e9ristiques du vin. Chaque d\u00e9cision et chaque \u00e9tape du processus ont un impact sur les ar\u00f4mes et les saveurs que nous percevons, et le syst\u00e8me GC-MS de LECO peut nous aider \u00e0 identifier les compos\u00e9s associ\u00e9s \u00e0 ces ar\u00f4mes.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\">\n<h2 class=\"wp-block-heading\">Percevoir l&#x27;alchimie<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Avant la d\u00e9gustation, les chimistes de LECO ont analys\u00e9 quatre vins de Lake Michigan Vintners \u00e0 l&#x27;aide de la <a href=\"https:\/\/www.leco.com\/fr\/products\/pegasus-btx\/\" data-type=\"products\" data-id=\"54603\">Pegasus BTX 4D GCxGC-TOFMS<\/a> plateforme. Cet outil d&#x27;analyse performant a permis d&#x27;identifier des centaines de compos\u00e9s dans les vins. La d\u00e9gustation a \u00e9t\u00e9 anim\u00e9e conjointement par Tim Godfrey (directeur du d\u00e9partement Technologies du vin et de la viticulture chez LMC ; <em>ci-dessous, \u00e0 gauche<\/em>) et Liz Humston-Fulmer (chimiste sp\u00e9cialis\u00e9e dans les applications des techniques de s\u00e9paration, LECO ; <em>en bas, \u00e0 droite<\/em>).<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-3 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" data-id=\"4243\" src=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/tim-godfrey-lake-michigan-college-wine-tasting-1024x576.webp\" alt=\"Tim Godfrey, Lake Michigan College\" class=\"wp-image-4243\" srcset=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/tim-godfrey-lake-michigan-college-wine-tasting-1024x576.webp 1024w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/tim-godfrey-lake-michigan-college-wine-tasting-300x169.webp 300w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/tim-godfrey-lake-michigan-college-wine-tasting-768x432.webp 768w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/tim-godfrey-lake-michigan-college-wine-tasting-18x10.webp 18w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/tim-godfrey-lake-michigan-college-wine-tasting.webp 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" data-id=\"4261\" src=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/liz-presenting-closeup-lake-michigan-college-wine-tasting-1024x576.webp\" alt=\"Liz Humston-Fulmer, LECO\" class=\"wp-image-4261\" srcset=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/liz-presenting-closeup-lake-michigan-college-wine-tasting-1024x576.webp 1024w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/liz-presenting-closeup-lake-michigan-college-wine-tasting-300x169.webp 300w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/liz-presenting-closeup-lake-michigan-college-wine-tasting-768x432.webp 768w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/liz-presenting-closeup-lake-michigan-college-wine-tasting-18x10.webp 18w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/liz-presenting-closeup-lake-michigan-college-wine-tasting.webp 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Tim a pr\u00e9sent\u00e9 aux participants la m\u00e9thode des cinq \u201c S \u201d pour la d\u00e9gustation du vin \u2014 Regarder, Tourner, Renifler, Boire, Savourer \u2014, con\u00e7ue pour faire ressortir les saveurs et les ar\u00f4mes lors de la d\u00e9gustation. Les invit\u00e9s ont \u00e9t\u00e9 invit\u00e9s \u00e0 faire appel \u00e0 leurs sens et encourag\u00e9s \u00e0 partager leur perception des profils gustatifs. Apr\u00e8s chaque d\u00e9gustation, Liz a pr\u00e9sent\u00e9 des chromatogrammes ainsi que certaines informations sur les analytes recueillies gr\u00e2ce \u00e0 LECO. <a href=\"https:\/\/www.leco.com\/fr\/products\/chromatof-software\/\" data-type=\"products\" data-id=\"1594\">Logiciel ChromaTOF<\/a> et a expliqu\u00e9 en quoi les donn\u00e9es scientifiques confirmaient les perceptions du public.<\/p>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\" style=\"margin-top:var(--wp--preset--spacing--2-xl)\">\u00c0 la d\u00e9couverte des vins<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Les participants ont d\u00e9gust\u00e9 quatre vins : un Riesling, un Sauvignon Blanc, un assemblage rouge et un Merlot.<\/p>\n\n\n\n<div class=\"wp-block-group is-layout-grid wp-container-core-group-is-layout-c8fe3a04 wp-block-group-is-layout-grid\">\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\">\n<h3 class=\"wp-block-heading\">Riesling (blanc)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">R\u00e9colt\u00e9s dans les environs <a href=\"https:\/\/www.canr.msu.edu\/swmrec\/\" target=\"_blank\" rel=\"noopener\">Vignobles SWMREC<\/a> en octobre 2023, ferment\u00e9 en cuves en acier inoxydable<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\">\n<h3 class=\"wp-block-heading\">Sauvignon Blanc (blanc)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Raisins provenant de plusieurs vignobles locaux, r\u00e9colt\u00e9s en octobre 2025, ferment\u00e9s en cuve inox<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-group mt-2 wp-container-content-ff36d0a8 has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\">\n<h3 class=\"wp-block-heading\">Red Hawk Red (Rouge)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Mise en bouteille en 2023, cette cuv\u00e9e est issue d\u2019un assemblage de trois c\u00e9pages \u201c rouges \u201d : Marquette, Cabernet Franc et Merlot. La fermentation s\u2019est principalement d\u00e9roul\u00e9e en cuves inox.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-group mt-2 has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\">\n<h3 class=\"wp-block-heading\">Merlot (rouge)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">R\u00e9colt\u00e9 en octobre 2023 ; a fait l&#x27;objet d&#x27;une saign\u00e9e et d&#x27;une pr\u00e9-fermentation, avant d&#x27;\u00eatre \u00e9lev\u00e9 en f\u00fbts de ch\u00eane puis en bouteille.<\/p>\n<\/div>\n<\/div>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"is-style-caption-body-style wp-block-paragraph\">La saign\u00e9e est un proc\u00e9d\u00e9 de vinification du vin rouge, par lequel une portion de jus est retir\u00e9e au d\u00e9but du processus. Cela permet de concentrer davantage le jus restant. Les jus ainsi extraits sont souvent ferment\u00e9s pour donner du ros\u00e9.<\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\" style=\"margin-top:var(--wp--preset--spacing--2-xl);margin-bottom:var(--wp--preset--spacing--2-xl)\">\n\n\n\n<div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\">\n<h3 class=\"wp-block-heading\">Comparaison de la chimie des vins blancs<\/h3>\n\n\n\n<div style=\"height:16px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure data-wp-context='{\"galleryId\":\"6a932274a9a03\"}' data-wp-interactive=\"core\/gallery\" class=\"wp-block-gallery has-nested-images columns-2 is-cropped wp-block-gallery-4 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure data-wp-context='{\"imageId\":\"6a932274aa001\"}' data-wp-interactive=\"core\/image\" data-wp-key=\"6a932274aa001\" class=\"wp-block-image size-full wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"906\" height=\"504\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on--pointerdown=\"actions.preloadImage\" data-wp-on--pointerenter=\"actions.preloadImageWithDelay\" data-wp-on--pointerleave=\"actions.cancelPreload\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" data-id=\"4253\" src=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/riesling-perceptions-lake-michigan-college-wine-tasting.webp\" alt=\"Perceptions des ar\u00f4mes du public par la chimie du vin pour le riesling\" class=\"wp-image-4253\" srcset=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/riesling-perceptions-lake-michigan-college-wine-tasting.webp 906w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/riesling-perceptions-lake-michigan-college-wine-tasting-300x167.webp 300w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/riesling-perceptions-lake-michigan-college-wine-tasting-768x427.webp 768w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/riesling-perceptions-lake-michigan-college-wine-tasting-18x10.webp 18w\" sizes=\"auto, (max-width: 906px) 100vw, 906px\" \/><button class=\"lightbox-trigger\" type=\"button\" aria-haspopup=\"dialog\" data-wp-bind--aria-label=\"state.thisImage.triggerButtonAriaLabel\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" data-wp-style--right=\"state.thisImage.buttonRight\" data-wp-style--top=\"state.thisImage.buttonTop\">\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewbox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\"><\/path>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n\n\n\n<figure data-wp-context='{\"imageId\":\"6a932274aa866\"}' data-wp-interactive=\"core\/image\" data-wp-key=\"6a932274aa866\" class=\"wp-block-image size-full wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"906\" height=\"504\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on--pointerdown=\"actions.preloadImage\" data-wp-on--pointerenter=\"actions.preloadImageWithDelay\" data-wp-on--pointerleave=\"actions.cancelPreload\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" data-id=\"4252\" src=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/riesling-chromatogram-lake-michigan-college-wine-tasting.webp\" alt=\"Perceptions olfactives du public de \u00ab Chemistry of Wine \u00bb concernant le sauvignon blanc\" class=\"wp-image-4252\" srcset=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/riesling-chromatogram-lake-michigan-college-wine-tasting.webp 906w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/riesling-chromatogram-lake-michigan-college-wine-tasting-300x167.webp 300w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/riesling-chromatogram-lake-michigan-college-wine-tasting-768x427.webp 768w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/riesling-chromatogram-lake-michigan-college-wine-tasting-18x10.webp 18w\" sizes=\"auto, (max-width: 906px) 100vw, 906px\" \/><button class=\"lightbox-trigger\" type=\"button\" aria-haspopup=\"dialog\" data-wp-bind--aria-label=\"state.thisImage.triggerButtonAriaLabel\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" data-wp-style--right=\"state.thisImage.buttonRight\" data-wp-style--top=\"state.thisImage.buttonTop\">\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewbox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\"><\/path>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n\n\n\n<figure data-wp-context='{\"imageId\":\"6a932274aae73\"}' data-wp-interactive=\"core\/image\" data-wp-key=\"6a932274aae73\" class=\"wp-block-image size-full wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"906\" height=\"504\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on--pointerdown=\"actions.preloadImage\" data-wp-on--pointerenter=\"actions.preloadImageWithDelay\" data-wp-on--pointerleave=\"actions.cancelPreload\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" data-id=\"4254\" src=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/sauvignon-perceptions-lake-michigan-college-wine-tasting.webp\" alt=\"Perceptions olfactives du public de \u00ab Chemistry of Wine \u00bb concernant le sauvignon blanc\" class=\"wp-image-4254\" srcset=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/sauvignon-perceptions-lake-michigan-college-wine-tasting.webp 906w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/sauvignon-perceptions-lake-michigan-college-wine-tasting-300x167.webp 300w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/sauvignon-perceptions-lake-michigan-college-wine-tasting-768x427.webp 768w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/sauvignon-perceptions-lake-michigan-college-wine-tasting-18x10.webp 18w\" sizes=\"auto, (max-width: 906px) 100vw, 906px\" \/><button class=\"lightbox-trigger\" type=\"button\" aria-haspopup=\"dialog\" data-wp-bind--aria-label=\"state.thisImage.triggerButtonAriaLabel\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" data-wp-style--right=\"state.thisImage.buttonRight\" data-wp-style--top=\"state.thisImage.buttonTop\">\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewbox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\"><\/path>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n\n\n\n<figure data-wp-context='{\"imageId\":\"6a932274ab5da\"}' data-wp-interactive=\"core\/image\" data-wp-key=\"6a932274ab5da\" class=\"wp-block-image size-full wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"906\" height=\"504\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on--pointerdown=\"actions.preloadImage\" data-wp-on--pointerenter=\"actions.preloadImageWithDelay\" data-wp-on--pointerleave=\"actions.cancelPreload\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" data-id=\"4251\" src=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/sauvignon-chromatogram-lake-michigan-college-wine-tasting.webp\" alt=\"Chromatogramme Sauvignon Blanc 2025 de Lake Michigan Vintners\" class=\"wp-image-4251\" srcset=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/sauvignon-chromatogram-lake-michigan-college-wine-tasting.webp 906w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/sauvignon-chromatogram-lake-michigan-college-wine-tasting-300x167.webp 300w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/sauvignon-chromatogram-lake-michigan-college-wine-tasting-768x427.webp 768w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/sauvignon-chromatogram-lake-michigan-college-wine-tasting-18x10.webp 18w\" sizes=\"auto, (max-width: 906px) 100vw, 906px\" \/><button class=\"lightbox-trigger\" type=\"button\" aria-haspopup=\"dialog\" data-wp-bind--aria-label=\"state.thisImage.triggerButtonAriaLabel\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" data-wp-style--right=\"state.thisImage.buttonRight\" data-wp-style--top=\"state.thisImage.buttonTop\">\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewbox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\"><\/path>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n<\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Les notes de d\u00e9gustation du public de l'\u00e9v\u00e9nement sont pr\u00e9sent\u00e9es dans le diagramme \u00e0 barres aux c\u00f4t\u00e9s des chromatogrammes de chacun des vins. Certaines des notes aromatiques les plus choisies sont communes aux deux vins blancs (comme la pomme, la poire et les agrumes), tandis que d'autres notes aromatiques sont plus distinctes entre les vins (comme le p\u00e9trole pour le Riesling et la banane, les notes tropicales et herbac\u00e9es pour le Sauvignon Blanc). <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Lors de la comparaison des donn\u00e9es chimiques du Riesling et du Sauvignon Blanc, les chromatogrammes se ressemblent beaucoup, mais de nombreuses diff\u00e9rences ont \u00e9galement \u00e9t\u00e9 observ\u00e9es. Les esters qui se chevauchent sont associ\u00e9s \u00e0 certaines de ces notes communes de fruit, de pomme et de poire. Les terp\u00e8nes contribuent \u00e0 certaines notes d'agrumes, herbac\u00e9es et florales.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Un analyte unique au vin Riesling est le TDN (1,1,6-trim\u00e9thyl-1,2-dihydronaphtal\u00e8ne). Cet analyte est connu pour procurer un ar\u00f4me distinct de \u201c p\u00e9trole \u201d. \u00c0 mesure que les vins Riesling vieillissent, cet ar\u00f4me continue de se d\u00e9velopper et devient plus perceptible. \u00c0 un jeune \u201c \u00e2ge \u201d, il peut \u00eatre plus difficile \u00e0 percevoir car le TDN peut ne pas s'\u00eatre accumul\u00e9 \u00e0 un niveau suffisamment \u00e9lev\u00e9, mais notre syst\u00e8me GC-MS a facilement d\u00e9tect\u00e9 l'analyte, et nombre de nos participants ont identifi\u00e9 son ar\u00f4me.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les participants ont \u00e9galement identifi\u00e9 des notes aromatiques plus herbac\u00e9es, tropicales et de banane dans le Sauvignon Blanc par rapport au Riesling. Nos donn\u00e9es confirment cela, et lors de la comparaison des \u00e9chantillons avec <a href=\"https:\/\/www.leco.com\/fr\/instrument\/alignement-des-donnees-chromatof-sync\/\" data-type=\"instrument\" data-id=\"2711\">ChromaTOF Sync 2D<\/a>, il est facile de voir plusieurs esters qui sont uniques au Sauvignon Blanc avec ces types d'ar\u00f4mes.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"957\" height=\"121\" src=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/sauvignon-focused-comparison-heat-map.webp\" alt=\"Carte thermique ChromaTOF Sync explorant les compos\u00e9s analytiques, en mettant l&#x27;accent sur les notes tropicales et de banane\" class=\"wp-image-4247\" srcset=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/sauvignon-focused-comparison-heat-map.webp 957w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/sauvignon-focused-comparison-heat-map-300x38.webp 300w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/sauvignon-focused-comparison-heat-map-768x97.webp 768w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/sauvignon-focused-comparison-heat-map-18x2.webp 18w\" sizes=\"auto, (max-width: 957px) 100vw, 957px\" \/><figcaption class=\"wp-element-caption\">Le graphique ci-dessus montre l'intensit\u00e9 d'analytes sp\u00e9cifiques trouv\u00e9s dans chaque \u00e9chantillon de vin. Ici, de multiples analytes associ\u00e9s \u00e0 la banane et \u00e0 divers ar\u00f4mes de fruits sont fortement identifi\u00e9s par des cellules rouges dans le Sauvignon Blanc.<\/figcaption><\/figure>\n<\/div>\n\n\n\n<div style=\"height:var(--wp--preset--spacing--l)\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\">\n<h3 class=\"wp-block-heading\">Comparaison de la chimie des vins rouges<\/h3>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-2 is-cropped wp-block-gallery-5 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"906\" height=\"504\" data-id=\"4255\" src=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/blend-perceptions-lake-michigan-college-wine-tasting.webp\" alt=\"Perceptions olfactives du public de \u00ab Chemistry of Wine \u00bb concernant un assemblage de vins rouges\" class=\"wp-image-4255\" srcset=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/blend-perceptions-lake-michigan-college-wine-tasting.webp 906w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/blend-perceptions-lake-michigan-college-wine-tasting-300x167.webp 300w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/blend-perceptions-lake-michigan-college-wine-tasting-768x427.webp 768w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/blend-perceptions-lake-michigan-college-wine-tasting-18x10.webp 18w\" sizes=\"auto, (max-width: 906px) 100vw, 906px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"828\" height=\"504\" data-id=\"4250\" src=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/blend-chromatogram-lake-michigan-college-wine-tasting.webp\" alt=\"Chromatogramme Red Hawk Red 2023 de Lake Michigan Vintners\" class=\"wp-image-4250\" srcset=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/blend-chromatogram-lake-michigan-college-wine-tasting.webp 828w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/blend-chromatogram-lake-michigan-college-wine-tasting-300x183.webp 300w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/blend-chromatogram-lake-michigan-college-wine-tasting-768x467.webp 768w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/blend-chromatogram-lake-michigan-college-wine-tasting-18x12.webp 18w\" sizes=\"auto, (max-width: 828px) 100vw, 828px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"906\" height=\"504\" data-id=\"4256\" src=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/merlot-perceptions-lake-michigan-college-wine-tasting.webp\" alt=\"Perceptions olfactives du public de \u00ab Chemistry of Wine \u00bb concernant un assemblage de vins rouges\" class=\"wp-image-4256\" srcset=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/merlot-perceptions-lake-michigan-college-wine-tasting.webp 906w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/merlot-perceptions-lake-michigan-college-wine-tasting-300x167.webp 300w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/merlot-perceptions-lake-michigan-college-wine-tasting-768x427.webp 768w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/merlot-perceptions-lake-michigan-college-wine-tasting-18x10.webp 18w\" sizes=\"auto, (max-width: 906px) 100vw, 906px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"828\" height=\"504\" data-id=\"4249\" src=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/merlot-chromatogram-lake-michigan-college-wine-tasting.webp\" alt=\"Chromatogramme du Merlot 2023 de Lake Michigan Vintners\" class=\"wp-image-4249\" srcset=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/merlot-chromatogram-lake-michigan-college-wine-tasting.webp 828w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/merlot-chromatogram-lake-michigan-college-wine-tasting-300x183.webp 300w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/merlot-chromatogram-lake-michigan-college-wine-tasting-768x467.webp 768w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/merlot-chromatogram-lake-michigan-college-wine-tasting-18x12.webp 18w\" sizes=\"auto, (max-width: 828px) 100vw, 828px\" \/><\/figure>\n<\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Comme les deux vins rouges \u00e9chantillonn\u00e9s ont \u00e9t\u00e9 produits \u00e0 partir de raisins merlot, il n'est pas surprenant de constater autant de similitudes dans les chromatogrammes lors de la comparaison du Red Hawk Red et du Merlot. Les notes de d\u00e9gustation du public pour ces vins \u00e9taient \u00e9galement assez similaires. Par exemple, les participants ont tr\u00e8s majoritairement identifi\u00e9 des ar\u00f4mes communs : cerise, baies, terreux, ch\u00eane\/bois\u00e9 et \u00e9pic\u00e9.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les notes de cerise et de fruits rouges de ces vins \u00e9taient nettement diff\u00e9rentes de celles du Riesling et du Sauvignon Blanc, qui ont \u00e9t\u00e9 d\u00e9crites comme \u00e9tant davantage ax\u00e9es sur la pomme et la poire. Ces types de diff\u00e9rences sont probablement associ\u00e9s \u00e0 diff\u00e9rentes combinaisons d'esters dans les vins. Par exemple, plusieurs esters qui ont \u00e9t\u00e9 observ\u00e9s \u00e0 des niveaux plus \u00e9lev\u00e9s dans les vins rouges sont pr\u00e9sent\u00e9s ici. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Une analyse approfondie nous permet \u00e9galement d'identifier les lactones de whisky et de ch\u00eane qui sont associ\u00e9es aux f\u00fbts de ch\u00eane et sont uniques aux vins rouges. Celles-ci sont observ\u00e9es \u00e0 des niveaux nettement plus \u00e9lev\u00e9s dans le Merlot, mais sont \u00e9galement pr\u00e9sentes dans le Red Hawk Red. Les deux vins ont \u00e9t\u00e9 vieillis en f\u00fbt de ch\u00eane, mais le merlot a vieilli plus longtemps en f\u00fbt (pendant 18 mois) ; ces compos\u00e9s sont transmis par le bois \u00e0 mesure que le vin vieillit et bon nombre de nos participants ont per\u00e7u ces notes aromatiques.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"957\" height=\"121\" src=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/merlot-focused-comparison-heat-map.webp\" alt=\"Carte thermique ChromaTOF Sync explorant les compos\u00e9s analytiques li\u00e9s aux notes de ch\u00eane et de whisky\" class=\"wp-image-4248\" srcset=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/merlot-focused-comparison-heat-map.webp 957w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/merlot-focused-comparison-heat-map-300x38.webp 300w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/merlot-focused-comparison-heat-map-768x97.webp 768w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/merlot-focused-comparison-heat-map-18x2.webp 18w\" sizes=\"auto, (max-width: 957px) 100vw, 957px\" \/><figcaption class=\"wp-element-caption\">Le tableau ci-dessus montre l'intensit\u00e9 d'analytes sp\u00e9cifiques trouv\u00e9s dans chaque \u00e9chantillon de vin. La lactone de whisky et la lactone de ch\u00eane sont fortement identifi\u00e9es par des cellules rouges dans le Merlot.<\/figcaption><\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"is-style-caption-body-style wp-block-paragraph\"><strong>Le saviez-vous ?<\/strong> Le <a href=\"https:\/\/www.cas.org\/cas-data\/cas-registry\" data-type=\"link\" data-id=\"https:\/\/www.cas.org\/cas-data\/cas-registry\" target=\"_blank\" rel=\"noopener\">Registre CAS<\/a> est une norme universelle pour l'identification des substances chimiques. Le registre contient plus de 290 millions de substances identifi\u00e9es, offrant aux chimistes une r\u00e9f\u00e9rence commune pour discuter des compos\u00e9s chimiques.\u00a0<\/p>\n<\/blockquote>\n\n\n\n<div style=\"height:60px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n\n\n\n<figure class=\"wp-block-image size-full is-style-rounded\" style=\"margin-bottom:var(--wp--preset--spacing--l)\"><img loading=\"lazy\" decoding=\"async\" width=\"1280\" height=\"720\" src=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/looking-at-wine-lake-michigan-college-wine-tasting.webp\" alt=\"des participants \u00e0 une d\u00e9gustation de vins examinant leurs vins\" class=\"wp-image-4264\" srcset=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/looking-at-wine-lake-michigan-college-wine-tasting.webp 1280w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/looking-at-wine-lake-michigan-college-wine-tasting-300x169.webp 300w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/looking-at-wine-lake-michigan-college-wine-tasting-1024x576.webp 1024w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/looking-at-wine-lake-michigan-college-wine-tasting-768x432.webp 768w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/04\/looking-at-wine-lake-michigan-college-wine-tasting-18x10.webp 18w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">En associant l&#x27;expertise p\u00e9dagogique du Lake Michigan College, le savoir-faire des vignerons de Lake Michigan Vintners et la pr\u00e9cision analytique de LECO, nous avons pu lever le voile sur l&#x27;univers mol\u00e9culaire complexe qui se cache dans chaque bouteille.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Qu'il s'agisse d'identifier les notes de \u201c p\u00e9trole \u201d d'un jeune Riesling gr\u00e2ce au TDN ou de percevoir les lactones conf\u00e9r\u00e9es par un f\u00fbt de ch\u00eane, cette collaboration a montr\u00e9 que la science que nous \u00e9tudions en laboratoire est le m\u00eame art que nous go\u00fbtons dans le verre, formant le v\u00e9ritable fondement de nos saveurs locales.<\/p>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">D\u00e9couvrez par vous-m\u00eame la chimie<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Si vous avez envie de d\u00e9couvrir comment le terroir, le processus de vinification et la chimie s\u2019harmonisent dans le verre, la meilleure chose \u00e0 faire est simple : rendez-vous chez Lake Michigan Vintners. Les vins d\u00e9gust\u00e9s lors de cet \u00e9v\u00e9nement ont \u00e9t\u00e9 \u00e9labor\u00e9s par des \u00e9tudiants qui apprennent le m\u00e9tier, du vignoble \u00e0 la bouteille, ici m\u00eame, dans le sud-ouest du Michigan. Chaque gorg\u00e9e soutient la prochaine g\u00e9n\u00e9ration de vignerons et le d\u00e9veloppement continu de notre viticulture locale.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Organisez votre visite \u00e0 la salle de d\u00e9gustation et soutenez les vins \u00e9labor\u00e9s par des \u00e9tudiants locaux : <a href=\"https:\/\/www.lakemichiganvintners.com\/\" target=\"_blank\" rel=\"noopener\"><strong>D\u00e9couvrez les vignerons du lac Michigan<\/strong><\/a><\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading\">Analyse du sol<\/h3>\n\n\n\n<figure class=\"wp-block-image size-large is-style-rounded-full-width\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"307\" src=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/01\/leco-event-carbonate-removal-from-soils-hero-image-012026-1024x307.jpg\" alt=\"LECO - \u00c9v\u00e9nement - \u00c9limination des carbonates des sols - Image principale\" class=\"wp-image-647\" srcset=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/01\/leco-event-carbonate-removal-from-soils-hero-image-012026-1024x307.jpg 1024w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/01\/leco-event-carbonate-removal-from-soils-hero-image-012026-300x90.jpg 300w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/01\/leco-event-carbonate-removal-from-soils-hero-image-012026-768x230.jpg 768w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/01\/leco-event-carbonate-removal-from-soils-hero-image-012026-1536x461.jpg 1536w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/01\/leco-event-carbonate-removal-from-soils-hero-image-012026-18x5.jpg 18w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/01\/leco-event-carbonate-removal-from-soils-hero-image-012026.jpg 2000w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">L&#x27;humidit\u00e9, le carbone et l&#x27;azote pr\u00e9sents dans le sol sont les \u00e9l\u00e9ments fondamentaux de la qualit\u00e9 du raisin. D\u00e9couvrez les solutions d&#x27;analyse \u00e9l\u00e9mentaire LECO pour comprendre en quoi une caract\u00e9risation pr\u00e9cise du sol contribue \u00e0 la r\u00e9ussite d&#x27;une r\u00e9colte.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.leco.com\/fr\/application\/analyse-du-sol\/\">D\u00e9couvrir les solutions d'analyse de sol<\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading\">Analyse des ar\u00f4mes<\/h3>\n\n\n\n<figure class=\"wp-block-image size-large is-style-rounded-full-width\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"307\" src=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/01\/leco-event-flavor-aroma-data-analysis-software-hero-image-012026-1024x307.jpg\" alt=\"LECO - \u00c9v\u00e9nement - Logiciel d&#x27;analyse des donn\u00e9es sur les saveurs et les ar\u00f4mes - Image principale\" class=\"wp-image-654\" srcset=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/01\/leco-event-flavor-aroma-data-analysis-software-hero-image-012026-1024x307.jpg 1024w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/01\/leco-event-flavor-aroma-data-analysis-software-hero-image-012026-300x90.jpg 300w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/01\/leco-event-flavor-aroma-data-analysis-software-hero-image-012026-768x230.jpg 768w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/01\/leco-event-flavor-aroma-data-analysis-software-hero-image-012026-1536x461.jpg 1536w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/01\/leco-event-flavor-aroma-data-analysis-software-hero-image-012026-18x5.jpg 18w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/01\/leco-event-flavor-aroma-data-analysis-software-hero-image-012026.jpg 2000w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Vous souhaitez en savoir plus sur les m\u00e9canismes scientifiques \u00e0 l&#x27;origine des notes \u2018 d&#x27;essence \u2019 du Riesling ou des lactones du Merlot \u00e9lev\u00e9 en f\u00fbt ? D\u00e9couvrez comment la plateforme Pegasus GC-TOFMS identifie les compos\u00e9s qui d\u00e9finissent la saveur d&#x27;un vin.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.leco.com\/fr\/applications\/flavor-aroma\/aroma-flavor-fragrance-analysis\/\">D\u00e9couvrez les solutions d'ar\u00f4mes et de saveurs<\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-container-core-group-is-layout-7d5f9c92 wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\" style=\"margin-top:0\">\n<hr class=\"wp-block-separator has-text-color has-sl-1-color has-alpha-channel-opacity has-sl-1-background-color has-background has-base-100-color has-base-100-background-color is-style-default\" style=\"margin-top:60px;margin-bottom:60px\">\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading is-style-h4-style\">Nouvelles connexes<\/h2>\n\n\n\n<div class=\"wp-block-query is-layout-flow wp-block-query-is-layout-flow\"><ul class=\"columns-3 wp-block-post-template is-layout-grid wp-container-core-post-template-is-layout-1d17308c wp-block-post-template-is-layout-grid\"><li class=\"wp-block-post post-4219 post type-post status-publish format-standard has-post-thumbnail hentry category-news instrument-model-58 core-analysis-type-carbon application-type-environmental application-type-soil-analysis product-line-elemental-analysis\">\n\n<div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><figure style=\"aspect-ratio:16\/9\" class=\"wp-block-post-featured-image\"><a href=\"https:\/\/www.leco.com\/fr\/news\/role-of-toc-in-regenerative-agriculture\/\" target=\"_self\"><img loading=\"lazy\" decoding=\"async\" width=\"1280\" height=\"720\" src=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/08\/two-farmers-in-red-discuss-soil.webp\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"L&#039;importance de l&#039;analyse du carbone organique total dans le sol en agriculture r\u00e9g\u00e9n\u00e9ratrice\" style=\"width:100%;height:100%;object-fit:cover;\" srcset=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/08\/two-farmers-in-red-discuss-soil.webp 1280w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/08\/two-farmers-in-red-discuss-soil-300x169.webp 300w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/08\/two-farmers-in-red-discuss-soil-1024x576.webp 1024w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/08\/two-farmers-in-red-discuss-soil-768x432.webp 768w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/08\/two-farmers-in-red-discuss-soil-18x10.webp 18w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\"><\/a><\/figure>\n\n<h4 style=\"font-style:normal;font-weight:300\" class=\"has-link-color wp-elements-25e6d450634c6f6ce866507b40ad7ad3 wp-block-post-title has-text-color has-dm-8-color has-medium-font-size has-rothek-font-family\"><a href=\"https:\/\/www.leco.com\/fr\/news\/role-of-toc-in-regenerative-agriculture\/\" target=\"_self\">L'importance de l'analyse du carbone organique total dans le sol en agriculture r\u00e9g\u00e9n\u00e9ratrice<\/a><\/h4>\n\n<div class=\"wp-block-post-date\"><time datetime=\"2026-08-05T08:16:00-04:00\">5 ao\u00fbt 2026<\/time><\/div><\/div>\n\n<\/li><li class=\"wp-block-post post-7015 post type-post status-publish format-standard has-post-thumbnail hentry category-news\">\n\n<div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><figure style=\"aspect-ratio:16\/9\" class=\"wp-block-post-featured-image\"><a href=\"https:\/\/www.leco.com\/fr\/news\/thank-you-2026-summer-interns\/\" target=\"_self\"><img loading=\"lazy\" decoding=\"async\" width=\"1800\" height=\"660\" src=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/07\/Intern-Day-Photo-2026.jpg\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"Merci, les stagiaires d&#039;\u00e9t\u00e9 2026 !\" style=\"width:100%;height:100%;object-fit:cover;\" srcset=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/07\/Intern-Day-Photo-2026.jpg 1800w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/07\/Intern-Day-Photo-2026-300x110.jpg 300w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/07\/Intern-Day-Photo-2026-1024x375.jpg 1024w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/07\/Intern-Day-Photo-2026-768x282.jpg 768w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/07\/Intern-Day-Photo-2026-1536x563.jpg 1536w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/07\/Intern-Day-Photo-2026-18x7.jpg 18w\" sizes=\"auto, (max-width: 1800px) 100vw, 1800px\"><\/a><\/figure>\n\n<h4 style=\"font-style:normal;font-weight:300\" class=\"has-link-color wp-elements-25e6d450634c6f6ce866507b40ad7ad3 wp-block-post-title has-text-color has-dm-8-color has-medium-font-size has-rothek-font-family\"><a href=\"https:\/\/www.leco.com\/fr\/news\/thank-you-2026-summer-interns\/\" target=\"_self\">Merci, les stagiaires d'\u00e9t\u00e9 2026 !<\/a><\/h4>\n\n<div class=\"wp-block-post-date\"><time datetime=\"2026-07-30T14:00:00-04:00\">30 juillet 2026<\/time><\/div><\/div>\n\n<\/li><li class=\"wp-block-post post-6807 post type-post status-publish format-standard has-post-thumbnail hentry category-news instrument-model-60 core-analysis-type-sulfur application-type-high-performance-materials application-type-metals-ores product-line-elemental-analysis\">\n\n<div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><figure style=\"aspect-ratio:16\/9\" class=\"wp-block-post-featured-image\"><a href=\"https:\/\/www.leco.com\/fr\/news\/sulfur-and-superalloys-the-844-series\/\" target=\"_self\"><img loading=\"lazy\" decoding=\"async\" width=\"1800\" height=\"600\" src=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/07\/underside-of-jet-engine-commercial-aircraft.png\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"Superalliages et soufre : m\u00eame des traces peuvent \u00eatre pr\u00e9judiciables\" style=\"width:100%;height:100%;object-fit:cover;\" srcset=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/07\/underside-of-jet-engine-commercial-aircraft.png 1800w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/07\/underside-of-jet-engine-commercial-aircraft-300x100.png 300w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/07\/underside-of-jet-engine-commercial-aircraft-1024x341.png 1024w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/07\/underside-of-jet-engine-commercial-aircraft-768x256.png 768w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/07\/underside-of-jet-engine-commercial-aircraft-1536x512.png 1536w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/07\/underside-of-jet-engine-commercial-aircraft-18x6.png 18w\" sizes=\"auto, (max-width: 1800px) 100vw, 1800px\"><\/a><\/figure>\n\n<h4 style=\"font-style:normal;font-weight:300\" class=\"has-link-color wp-elements-25e6d450634c6f6ce866507b40ad7ad3 wp-block-post-title has-text-color has-dm-8-color has-medium-font-size has-rothek-font-family\"><a href=\"https:\/\/www.leco.com\/fr\/news\/sulfur-and-superalloys-the-844-series\/\" target=\"_self\">Superalliages et soufre : m\u00eame des traces peuvent \u00eatre pr\u00e9judiciables<\/a><\/h4>\n\n<div class=\"wp-block-post-date\"><time datetime=\"2026-07-17T11:33:01-04:00\">17 juillet 2026<\/time><\/div><\/div>\n\n<\/li><\/ul><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>LECO partnered with Lake Michigan College to taste student-made, locally produces wines and explore the chemistry behind their aromas.<\/p>","protected":false},"author":1,"featured_media":4242,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"instrument-model":[57,58,91,105,106],"core-analysis-type":[20,27,26,23],"application-type":[9,38],"product-line":[14,11,15],"class_list":["post-3967","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","instrument-model-57","instrument-model-58","instrument-model-btx4d","instrument-model-tga801","instrument-model-tgm800","core-analysis-type-carbon","core-analysis-type-gc-mass-spectrometry","core-analysis-type-moisture","core-analysis-type-nitrogen","application-type-aroma-flavor-fragrance","application-type-soil-analysis","product-line-elemental-analysis","product-line-mass-spectrometry","product-line-thermal-analysis"],"_links":{"self":[{"href":"https:\/\/www.leco.com\/fr\/wp-json\/wp\/v2\/posts\/3967","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.leco.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.leco.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.leco.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.leco.com\/fr\/wp-json\/wp\/v2\/comments?post=3967"}],"version-history":[{"count":3,"href":"https:\/\/www.leco.com\/fr\/wp-json\/wp\/v2\/posts\/3967\/revisions"}],"predecessor-version":[{"id":6752,"href":"https:\/\/www.leco.com\/fr\/wp-json\/wp\/v2\/posts\/3967\/revisions\/6752"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.leco.com\/fr\/wp-json\/wp\/v2\/media\/4242"}],"wp:attachment":[{"href":"https:\/\/www.leco.com\/fr\/wp-json\/wp\/v2\/media?parent=3967"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.leco.com\/fr\/wp-json\/wp\/v2\/categories?post=3967"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.leco.com\/fr\/wp-json\/wp\/v2\/tags?post=3967"},{"taxonomy":"instrument-model","embeddable":true,"href":"https:\/\/www.leco.com\/fr\/wp-json\/wp\/v2\/instrument-model?post=3967"},{"taxonomy":"core-analysis-type","embeddable":true,"href":"https:\/\/www.leco.com\/fr\/wp-json\/wp\/v2\/core-analysis-type?post=3967"},{"taxonomy":"application-type","embeddable":true,"href":"https:\/\/www.leco.com\/fr\/wp-json\/wp\/v2\/application-type?post=3967"},{"taxonomy":"product-line","embeddable":true,"href":"https:\/\/www.leco.com\/fr\/wp-json\/wp\/v2\/product-line?post=3967"}],"curies":[{"name":"Bien jou\u00e9","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}