{"id":6123,"date":"2025-12-17T16:01:00","date_gmt":"2025-12-17T21:01:00","guid":{"rendered":"https:\/\/dev26.lecowebtest.com\/news\/\/"},"modified":"2026-06-22T16:28:00","modified_gmt":"2026-06-22T20:28:00","slug":"la-difference-entre-lencens-et-la-myrrhe","status":"publish","type":"post","link":"https:\/\/www.leco.com\/fr\/news\/the-difference-between-frankincense-and-myrrh\/","title":{"rendered":"L'oliban et la myrrhe expliqu\u00e9s : chimie, ar\u00f4me et analyse GCxGC"},"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 is-nowrap is-layout-flex wp-container-core-group-is-layout-1ffe0ea6 wp-block-group-is-layout-flex\">\n<p class=\"wp-block-paragraph\">Publi\u00e9 le<\/p>\n\n\n<div style=\"line-height:1;margin-top:12px;margin-left:6px\" class=\"wp-block-post-date has-custom-1-font-size\"><time datetime=\"2025-12-17T16:01:00-05:00\">17 d\u00e9cembre 2025<\/time><\/div><\/div>\n\n\n<h1 class=\"is-style-h2-style wp-block-post-title\">L'oliban et la myrrhe expliqu\u00e9s : chimie, ar\u00f4me et analyse GCxGC<\/h1><\/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\/06\/frankincense-myrrh-essential-oils.webp\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"Huiles essentielles, Encens, Myrrhe, Image de No\u00ebl\" style=\"object-fit:cover;\" srcset=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/06\/frankincense-myrrh-essential-oils.webp 1280w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/06\/frankincense-myrrh-essential-oils-300x169.webp 300w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/06\/frankincense-myrrh-essential-oils-1024x576.webp 1024w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/06\/frankincense-myrrh-essential-oils-768x432.webp 768w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/06\/frankincense-myrrh-essential-oils-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\/the-difference-between-frankincense-and-myrrh\/\" 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<\/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<p class=\"wp-block-paragraph\">Chaque mois de d\u00e9cembre, l'histoire de No\u00ebl suscite un nouvel int\u00e9r\u00eat pour les pr\u00e9sents des rois mages, en particulier l'encens et la myrrhe. Mais au-del\u00e0 de leur signification symbolique, que sont exactement ces substances et qu'est-ce qui les distingue l'une de l'autre ?\u00a0<\/p>\n\n\n\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\">\n<h2 class=\"wp-block-heading is-style-h2-style\" style=\"margin-top:var(--wp--preset--spacing--2-xl)\">Qu'sont l'encens et la myrrhe ?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">L'encens et la myrrhe sont tous deux des r\u00e9sines d'arbres aromatiques qui sont pris\u00e9es depuis des mill\u00e9naires. <a href=\"https:\/\/www.livescience.com\/archaeology\/what-is-frankincense\" target=\"_blank\" rel=\"noopener\">L'encens est d\u00e9riv\u00e9 des arbres<\/a> du <em>Boswellia <\/em>genre, alors que <a href=\"https:\/\/www.britannica.com\/topic\/myrrh\" target=\"_blank\" rel=\"noopener\">La myrrhe est originaire<\/a> de ceux de <em>Commiphora <\/em>genre. Historiquement, les deux r\u00e9sines ont \u00e9t\u00e9 utilis\u00e9es dans les parfums, l'encens et les m\u00e9decines traditionnelles, pris\u00e9es pour leur parfum et leurs propri\u00e9t\u00e9s conservatrices. <\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-style-rounded-full-width\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/www.leco.com\/wp-content\/uploads\/2023\/08\/raw-resin-material-frankincense-myrrh-1024x576.webp\" alt=\"Mati\u00e8re r\u00e9sineuse comme l&#039;encens brut ou la myrrhe\" class=\"wp-image-5606\" srcset=\"https:\/\/www.leco.com\/wp-content\/uploads\/2023\/08\/raw-resin-material-frankincense-myrrh-1024x576.webp 1024w, https:\/\/www.leco.com\/wp-content\/uploads\/2023\/08\/raw-resin-material-frankincense-myrrh-300x169.webp 300w, https:\/\/www.leco.com\/wp-content\/uploads\/2023\/08\/raw-resin-material-frankincense-myrrh-768x432.webp 768w, https:\/\/www.leco.com\/wp-content\/uploads\/2023\/08\/raw-resin-material-frankincense-myrrh-18x10.webp 18w, https:\/\/www.leco.com\/wp-content\/uploads\/2023\/08\/raw-resin-material-frankincense-myrrh.webp 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Une fois trait\u00e9es, ces r\u00e9sines donnent des huiles essentielles compos\u00e9es principalement de compos\u00e9s organiques volatils et semi-volatils, ce qui en fait des candidates id\u00e9ales pour l'analyse par chromatographie en phase gazeuse (CG).<\/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<h2 class=\"wp-block-heading is-style-h2-style\" style=\"margin-top:var(--wp--preset--spacing--2-xl)\">Analyse de l'encens et de la myrrhe par GCxGC-TOFMS<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Afin d\u2019\u00e9tudier les diff\u00e9rences chimiques entre ces substances d\u2019importance historique, les chercheurs de LECO ont analys\u00e9 des huiles essentielles extraites de l\u2019encens et de la myrrhe \u00e0 l\u2019aide d\u2019un\u00a0<a href=\"https:\/\/www.leco.com\/fr\/instrument\/gc-tofms-de-paillasse\/\" data-type=\"instrument\" data-id=\"2168\">Syst\u00e8me Pegasus GCxGC-TOFMS<\/a>. La chromatographie en phase gazeuse est une technique bien \u00e9tablie pour l'analyse des huiles essentielles, s\u00e9parant facilement un \u00e9chantillon en composants individuels.\u00a0<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-style-rounded-full-width\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/03\/leco-btx-gc-ms-with-autoloader-1024x576.webp\" alt=\"Syst\u00e8me GC-MS LECO Pegasus BTX avec chargeur automatique\" class=\"wp-image-3123\" srcset=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/03\/leco-btx-gc-ms-with-autoloader-1024x576.webp 1024w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/03\/leco-btx-gc-ms-with-autoloader-300x169.webp 300w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/03\/leco-btx-gc-ms-with-autoloader-768x432.webp 768w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/03\/leco-btx-gc-ms-with-autoloader-18x10.webp 18w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/03\/leco-btx-gc-ms-with-autoloader.webp 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Lorsqu'elle est coupl\u00e9e \u00e0 la spectrom\u00e9trie de masse (SM), l'identification et la quantification des compos\u00e9s sont possibles. \u00c9tendre l'analyse \u00e0 une seconde dimension chromatographique (GCxGC) offre un niveau d'analyse plus approfondi.\u00a0<\/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<h2 class=\"wp-block-heading is-style-h2-style\" style=\"margin-top:var(--wp--preset--spacing--2-xl)\">Comment la GCxGC cr\u00e9e des chromatogrammes structur\u00e9s<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">La chromatographie en phase gazeuse bidimensionnelle comprehensive (GCxGC) utilise deux colonnes aux m\u00e9canismes de s\u00e9paration compl\u00e9mentaires dispos\u00e9es en s\u00e9rie. Cela am\u00e9liore la s\u00e9paration des compos\u00e9s, permettant souvent \u00e0 la GCxGC de distinguer des substances qui se superposeraient lors d'une analyse traditionnelle par GC unidimensionnelle.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Un autre avantage est que la GCxGC produit des chromatogrammes clairement organis\u00e9s, o\u00f9 les compos\u00e9s similaires apparaissent selon des sch\u00e9mas pr\u00e9visibles. Cela facilite l'identification des compos\u00e9s et permet de voir rapidement les divers types de produits chimiques pr\u00e9sents dans un \u00e9chantillon.<\/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<h2 class=\"wp-block-heading is-style-h2-style\" style=\"margin-top:var(--wp--preset--spacing--2-xl)\">Lire des chromatogrammes GCxGC comme une carte<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Comme l&#x27;explique Liz Humston-Fulmer, chimiste d&#x27;application chez LECO : \u201c Les chromatogrammes GCxGC peuvent \u00eatre interpr\u00e9t\u00e9s comme une carte. La nature structur\u00e9e de la s\u00e9paration facilite l&#x27;identification des familles de compos\u00e9s, la reconnaissance de sch\u00e9mas r\u00e9currents et la compr\u00e9hension de ce qui distingue un \u00e9chantillon d&#x27;un autre. \u201d\u00a0<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-vimeo wp-block-embed-vimeo wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" src=\"https:\/\/player.vimeo.com\/video\/656271970?h=d1ec83757e&amp;dnt=1&amp;app_id=122963\" width=\"500\" height=\"282\" frameborder=\"0\" allow=\"autoplay; fullscreen; picture-in-picture; clipboard-write; encrypted-media; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\"><\/iframe>\n<\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Des outils comme\u00a0<a href=\"https:\/\/www.leco.com\/fr\/instrument\/logiciel-chromatof-gc-ms\/\" data-type=\"instrument\" data-id=\"101\">Logiciel ChromaTOF Tile de LECO<\/a>\u00a0am\u00e9liorer davantage les capacit\u00e9s de comparaison et de diff\u00e9renciation, permettant aux laboratoires d'obtenir des r\u00e9sultats fiables \u00e0 partir de leurs donn\u00e9es plus rapidement que jamais.\u00a0<\/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<h2 class=\"wp-block-heading is-style-h2-style\" style=\"margin-top:var(--wp--preset--spacing--2-xl)\">Comparaison des chromatogrammes de l'encens et de la myrrhe<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Lors de la comparaison des chromatogrammes GCxGC de l'encens et de la myrrhe, leurs diff\u00e9rences sont imm\u00e9diatement apparentes, m\u00eame pour un \u0153il non averti.\u00a0<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-style-rounded-full-width\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"550\" src=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/06\/frankincense-myrrh-chromatograph.jpg\" alt=\"chromatogrammes comparant l&#039;encens et la myrrhe\" class=\"wp-image-6125\" srcset=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/06\/frankincense-myrrh-chromatograph.jpg 800w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/06\/frankincense-myrrh-chromatograph-300x206.jpg 300w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/06\/frankincense-myrrh-chromatograph-768x528.jpg 768w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/06\/frankincense-myrrh-chromatograph-18x12.jpg 18w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Un examen plus approfondi r\u00e9v\u00e8le des substances chimiques sp\u00e9cifiques au sein de ces classes de compos\u00e9s qui sont caract\u00e9ristiques de chaque huile essentielle. Ces analytes aident \u00e0 expliquer les ar\u00f4mes associ\u00e9s de l'huile essentielle, comme le parfum chaud, bois\u00e9 et agrume de l'encens, ou l'ar\u00f4me chaud, amer et \u2018 terreux \u2019 de la myrrhe. Comprendre cette composition soutient \u00e9galement leur utilisation dans les parfums, l'encens et l'aromath\u00e9rapie.\u00a0\u00a0\u00a0<\/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<h2 class=\"wp-block-heading is-style-h2-style\" style=\"margin-top:var(--wp--preset--spacing--2-xl)\">Perspectives modernes sur les r\u00e9sines anciennes<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Bien que plus commun\u00e9ment reconnus comme \u201c anciens \u201d, l'encens et la myrrhe conservent leur pertinence scientifique, soutenus par des recherches continues sur leur composition et leurs applications potentielles. Gr\u00e2ce au pouvoir de s\u00e9paration accru et \u00e0 la clart\u00e9 visuelle de la GCxGC-TOFMS, les analystes peuvent acqu\u00e9rir une compr\u00e9hension plus compl\u00e8te de ces r\u00e9sines d'autrefois.\u00a0\u00a0<\/p>\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-1ea9787f wp-block-group-is-layout-constrained\" style=\"margin-top:48px\">\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<div class=\"wp-block-group has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group is-nowrap is-layout-flex wp-container-core-group-is-layout-67eca248 wp-block-group-is-layout-flex\">\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\">\n<p class=\"wp-block-paragraph\">Une \u00e9tude plus approfondie des diff\u00e9rences chimiques entre l'encens et la myrrhe et de la mani\u00e8re dont la CPGxCPG-SMTOF peut r\u00e9v\u00e9ler ces informations peut \u00eatre consult\u00e9e dans la note d'application, <a href=\"https:\/\/www.leco.com\/fr\/documents\/203-821-620\/\" data-type=\"document\" data-id=\"1028\">Encens et myrrhe : caract\u00e9risation visuelle et comparaison d'huiles essentielles par chromatogrammes structur\u00e9s GCxGC<\/a>.<\/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\/documents\/203-821-620\/\">Lire la note d&#x27;application<\/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-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<div class=\"wp-block-group has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\">\n<h2 class=\"wp-block-heading is-style-h4-style\">Instruments utilis\u00e9s<\/h2>\n\n\n\n<div class=\"leco-card-grid-block wp-block-create-block-leco-card-grid\">\n\t<div class=\"leco-card-grid columns-2\" role=\"list\" aria-label=\"Card grid\">\n\t\t\n\t\t\t\t\t<a href=\"https:\/\/www.leco.com\/fr\/instrument\/gc-tofms-de-paillasse\/\" class=\"leco-card\" role=\"listitem\" aria-label=\"Pegasus BTX Series - Click to learn more\">\n\t\t\n\t\t\t<!-- Card Image -->\n\t\t\t<div class=\"leco-card-image\" role=\"img\" aria-label=\"Syst\u00e8me GC-MS LECO Pegasus BTX avec chargeur automatique\">\n\t\t\t\t\t\t\t\t\t<img src=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/03\/leco-btx-gc-ms-with-autoloader.webp\" srcset=\"https:\/\/www.leco.com\/wp-content\/uploads\/2026\/03\/leco-btx-gc-ms-with-autoloader-1024x576.webp 1024w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/03\/leco-btx-gc-ms-with-autoloader-768x432.webp 768w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/03\/leco-btx-gc-ms-with-autoloader-300x169.webp 300w, https:\/\/www.leco.com\/wp-content\/uploads\/2026\/03\/leco-btx-gc-ms-with-autoloader.webp 1280w\" sizes=\"(max-width: 768px) 100vw, (max-width: 1200px) 50vw, 371px\" alt=\"Syst\u00e8me GC-MS LECO Pegasus BTX avec chargeur automatique\" class=\"leco-card-img\" loading=\"lazy\" decoding=\"sync\">\n\t\t\t\t\t\t\t<\/div>\n\n\t\t\t<!-- Card Content -->\n\t\t\t<div class=\"leco-card-content\">\n\t\t\t\t\t\t\t\t\t<h3 class=\"leco-card-title\">\n\t\t\t\t\t\tS\u00e9rie Pegasus BTX\t\t\t\t\t<\/h3>\n\t\t\t\t\n\t\t\t\t<div class=\"leco-card-bottom\">\n\t\t\t\t\t\t\t\t\t\t\t<p class=\"leco-card-description\">\n\t\t\t\t\t\t\tSpectrom\u00e8tre de masse \u00e0 temps de vol \u00e0 haute sensibilit\u00e9\t\t\t\t\t\t<\/p>\n\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"leco-card-link\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t<svg class=\"leco-card-arrow\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"44\" height=\"44\" viewbox=\"0 0 44 44\" fill=\"none\" focusable=\"false\">\n\t\t\t\t\t\t\t\t<path d=\"M12.7998 22C12.7998 22.5523 13.2475 23 13.7998 23L27.3857 23L21.7998 28.5859C21.4093 28.9764 21.4093 29.6095 21.7998 30C22.1903 30.3905 22.8234 30.3905 23.2139 30L30.5068 22.7071C30.8973 22.3166 30.8973 21.6834 30.5068 21.2929L23.2139 14C22.8234 13.6095 22.1903 13.6095 21.7998 14C21.4093 14.3905 21.4093 15.0236 21.7998 15.4141L27.3857 21L13.7998 21C13.2475 21 12.7998 21.4477 12.7998 22Z\" fill=\"#78543D\"><\/path>\n\t\t\t\t\t\t\t<\/svg>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/div>\n\n\t\t\t\t\t<\/a>\n\t\t\n\t\t\n\t\t\t\t\t<a href=\"https:\/\/www.leco.com\/fr\/instrument\/analyse-cpgc-par-chromatof\/\" class=\"leco-card\" role=\"listitem\" aria-label=\"ChromaTOF Tile - Click to learn more\">\n\t\t\n\t\t\t<!-- Card Image -->\n\t\t\t<div class=\"leco-card-image\" role=\"img\" aria-label=\"Logo de ChromaTOF Tile\">\n\t\t\t\t\t\t\t\t\t<img src=\"https:\/\/www.leco.com\/wp-content\/uploads\/2025\/12\/chromatof-tile-square.webp\" srcset=\"https:\/\/www.leco.com\/wp-content\/uploads\/2025\/12\/chromatof-tile-square.webp 1024w, https:\/\/www.leco.com\/wp-content\/uploads\/2025\/12\/chromatof-tile-square.webp 768w, https:\/\/www.leco.com\/wp-content\/uploads\/2025\/12\/chromatof-tile-square-300x300.webp 300w, https:\/\/www.leco.com\/wp-content\/uploads\/2025\/12\/chromatof-tile-square.webp 670w\" sizes=\"(max-width: 768px) 100vw, (max-width: 1200px) 50vw, 371px\" alt=\"Logo de ChromaTOF Tile\" class=\"leco-card-img\" loading=\"lazy\" decoding=\"sync\">\n\t\t\t\t\t\t\t<\/div>\n\n\t\t\t<!-- Card Content -->\n\t\t\t<div class=\"leco-card-content\">\n\t\t\t\t\t\t\t\t\t<h3 class=\"leco-card-title\">\n\t\t\t\t\t\tChromaTOF Tile\t\t\t\t\t<\/h3>\n\t\t\t\t\n\t\t\t\t<div class=\"leco-card-bottom\">\n\t\t\t\t\t\t\t\t\t\t\t<p class=\"leco-card-description\">\n\t\t\t\t\t\t\tComparer visuellement des ensembles de donn\u00e9es GCxGC\t\t\t\t\t\t<\/p>\n\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"leco-card-link\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t<svg class=\"leco-card-arrow\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"44\" height=\"44\" viewbox=\"0 0 44 44\" fill=\"none\" focusable=\"false\">\n\t\t\t\t\t\t\t\t<path d=\"M12.7998 22C12.7998 22.5523 13.2475 23 13.7998 23L27.3857 23L21.7998 28.5859C21.4093 28.9764 21.4093 29.6095 21.7998 30C22.1903 30.3905 22.8234 30.3905 23.2139 30L30.5068 22.7071C30.8973 22.3166 30.8973 21.6834 30.5068 21.2929L23.2139 14C22.8234 13.6095 22.1903 13.6095 21.7998 14C21.4093 14.3905 21.4093 15.0236 21.7998 15.4141L27.3857 21L13.7998 21C13.2475 21 12.7998 21.4477 12.7998 22Z\" fill=\"#78543D\"><\/path>\n\t\t\t\t\t\t\t<\/svg>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/div>\n\n\t\t\t\t\t<\/a>\n\t\t\n\t\t\t<\/div>\n<\/div><\/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 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https:\/\/www.leco.com\/wp-content\/uploads\/2018\/11\/jelly-beans-on-purple-background-300x169.webp 300w, https:\/\/www.leco.com\/wp-content\/uploads\/2018\/11\/jelly-beans-on-purple-background-1024x576.webp 1024w, https:\/\/www.leco.com\/wp-content\/uploads\/2018\/11\/jelly-beans-on-purple-background-768x432.webp 768w, https:\/\/www.leco.com\/wp-content\/uploads\/2018\/11\/jelly-beans-on-purple-background-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\/easter-identifying-jellybean-flavor-profile\/\" target=\"_self\">P\u00e2ques signifie\u2026 Identifier le profil gustatif d'un bonbon g\u00e9lifi\u00e9<\/a><\/h4>\n\n<div class=\"wp-block-post-date\"><time datetime=\"2026-04-02T14:07:19-04:00\">2 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4D.<\/p>","protected":false},"author":1,"featured_media":6124,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"instrument-model":[67,90],"core-analysis-type":[27],"application-type":[9],"product-line":[11],"class_list":["post-6123","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","instrument-model-tile","instrument-model-btx","core-analysis-type-gc-mass-spectrometry","application-type-aroma-flavor-fragrance","product-line-mass-spectrometry"],"_links":{"self":[{"href":"https:\/\/www.leco.com\/fr\/wp-json\/wp\/v2\/posts\/6123","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=6123"}],"version-history":[{"count":0,"href":"https:\/\/www.leco.com\/fr\/wp-json\/wp\/v2\/posts\/6123\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.leco.com\/fr\/wp-json\/wp\/v2\/media\/6124"}],"wp:attachment":[{"href":"https:\/\/www.leco.com\/fr\/wp-json\/wp\/v2\/media?parent=6123"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.leco.com\/fr\/wp-json\/wp\/v2\/categories?post=6123"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.leco.com\/fr\/wp-json\/wp\/v2\/tags?post=6123"},{"taxonomy":"instrument-model","embeddable":true,"href":"https:\/\/www.leco.com\/fr\/wp-json\/wp\/v2\/instrument-model?post=6123"},{"taxonomy":"core-analysis-type","embeddable":true,"href":"https:\/\/www.leco.com\/fr\/wp-json\/wp\/v2\/core-analysis-type?post=6123"},{"taxonomy":"application-type","embeddable":true,"href":"https:\/\/www.leco.com\/fr\/wp-json\/wp\/v2\/application-type?post=6123"},{"taxonomy":"product-line","embeddable":true,"href":"https:\/\/www.leco.com\/fr\/wp-json\/wp\/v2\/product-line?post=6123"}],"curies":[{"name":"Bien 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