{"id":185669,"date":"2025-12-19T11:23:42","date_gmt":"2025-12-19T10:23:42","guid":{"rendered":"https:\/\/www.ainia.com\/?p=185669"},"modified":"2026-04-10T09:39:23","modified_gmt":"2026-04-10T08:39:23","slug":"4-facteurs-qui-degradent-le-profil-sensoriel-des-extraits-aromatiques","status":"publish","type":"post","link":"https:\/\/www.ainia.com\/fr\/ainia-news\/4-facteurs-qui-degradent-le-profil-sensoriel-des-extraits-aromatiques\/","title":{"rendered":"4 facteurs qui d\u00e9gradent le profil sensoriel des extraits aromatiques"},"content":{"rendered":"<html><body><div class=\"wpb-content-wrapper\"><p>[vc_row][vc_column][vc_column_text]<\/p>\n<div class=\"toc\">\n<p><strong>Index<\/strong><\/p>\n<ol>\n<li><a href=\"#priorites\">Priorit\u00e9s des consommateurs<\/a><\/li>\n<li><a href=\"#facteurs\">Facteurs<\/a>\n<ol>\n<li><a href=\"#oxydation\">Oxydation<\/a><\/li>\n<li><a href=\"#photodegradation\">Photod\u00e9gradation<\/a><\/li>\n<li><a href=\"#thermiques\">D\u00e9gradations thermiques<\/a><\/li>\n<li><a href=\"#matrice\">Interactions avec la matrice<\/a><\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<\/div>\n<h2 id=\"priorites\">Quelles sont les priorit\u00e9s des consommateurs en cosm\u00e9tique ?<\/h2>\n<ol>\n<li><strong>Ar\u00f4me authentique:<\/strong> La fragrance doit refl\u00e9ter fid\u00e8lement la mati\u00e8re premi\u00e8re d\u2019origine et conserver son profil caract\u00e9ristique tout au long de la dur\u00e9e de vie du produit, en \u00e9vitant absolument l\u2019apparition de notes rances.<\/li>\n<li><strong>Texture et perception sensorielle reproductibles:<\/strong> Chaque emballage, chaque lot et chaque application doivent offrir la m\u00eame exp\u00e9rience sensorielle. Cela implique de maintenir une intensit\u00e9 aromatique constante, une sensation d\u2019application homog\u00e8ne et une apparence stable, sans variations.<\/li>\n<li><strong>Durabilit\u00e9 et nouveau profil CSS:<\/strong> Le consommateur <em>Conscious, Supportive &amp; Sustainable<\/em> exige des proc\u00e9d\u00e9s responsables et des produits respectueux de son bien-\u00eatre et de celui de la plan\u00e8te. La stabilit\u00e9 sensorielle doit \u00eatre obtenue sans compromettre la durabilit\u00e9, ce qui pousse l\u2019industrie \u00e0 innover en permanence.<\/li>\n<\/ol>\n<h2 id=\"facteurs\">4 Facteurs qui d\u00e9gradent le profil sensoriel de vos extraits<\/h2>\n<p>La<strong> stabilit\u00e9 aromatique<\/strong> et chromatique d\u2019un <em>extrait aromatique<\/em> d\u00e9pend directement de son int\u00e9grit\u00e9 chimique. Lorsque les compos\u00e9s actifs et volatils commencent \u00e0 se d\u00e9grader, l\u2019ar\u00f4me perd en d\u00e9finition, des notes ind\u00e9sirables apparaissent et la couleur se modifie.<br>\n<a href=\"https:\/\/www.ainia.com\/fr\/ainia-news\/5-strategies-pour-preserver-le-profil-sensoriel-des-extraits-cosmetiques\/\"><strong>Pr\u00e9server l\u2019ar\u00f4me, la couleur et la fra\u00eecheur d\u2019un extrait<\/strong><\/a> n\u00e9cessite donc d\u2019agir sur les m\u00e9canismes qui acc\u00e9l\u00e8rent sa d\u00e9gradation.<\/p>\n<p>Dans les sections suivantes, nous analysons comment cette d\u00e9gradation se manifeste d\u2019un point de vue sensoriel et quels facteurs aggravent chaque m\u00e9canisme.<\/p>\n<h3 id=\"oxydation\"><strong>1. Oxydation : le d\u00e9clencheur le plus fr\u00e9quent de la perte aromatique<\/strong><\/h3>\n<p>L\u2019oxydation constitue la principale voie de d\u00e9gradation des ingr\u00e9dients cosm\u00e9tiques, en particulier pour les extraits riches en :<\/p>\n<ul>\n<li>Terp\u00e8nes<\/li>\n<li>Compos\u00e9s ph\u00e9noliques<\/li>\n<li>Lipides insatur\u00e9s<\/li>\n<\/ul>\n<p>La pr\u00e9sence d\u2019oxyg\u00e8ne, de lumi\u00e8re et de traces m\u00e9talliques catalyse des r\u00e9actions d\u2019auto-oxydation g\u00e9n\u00e9rant des peroxydes et des sous-produits volatils responsables d\u2019odeurs rances.<\/p>\n<h4><strong>Impact sensoriel<\/strong><\/h4>\n<ul>\n<li>Perte des notes fra\u00eeches<\/li>\n<li>Apparition de nuances m\u00e9talliques ou rances<\/li>\n<li>Diminution de l\u2019intensit\u00e9 aromatique<\/li>\n<li>Alt\u00e9ration de la couleur due aux produits d\u2019oxydation<\/li>\n<\/ul>\n<h4><strong>Facteurs aggravants<\/strong><\/h4>\n<ul>\n<li>Emballages perm\u00e9ables \u00e0 l\u2019oxyg\u00e8ne<\/li>\n<li>M\u00e9langes expos\u00e9s \u00e0 l\u2019air<\/li>\n<li>Pr\u00e9sence d\u2019ions m\u00e9talliques (Fe, Cu)<\/li>\n<li>Activit\u00e9 de l\u2019eau \u00e9lev\u00e9e<\/li>\n<\/ul>\n<h3 id=\"photodegradation\"><strong>2. Photod\u00e9gradation : la lumi\u00e8re comme agent silencieux de d\u00e9t\u00e9rioration<\/strong><\/h3>\n<p>La photod\u00e9gradation affecte particuli\u00e8rement :<\/p>\n<ul>\n<li>Les mol\u00e9cules aromatiques<\/li>\n<li>Les carot\u00e9no\u00efdes<\/li>\n<li>Les flavono\u00efdes<\/li>\n<li>Les colorants naturels<\/li>\n<\/ul>\n<p>L\u2019exposition aux rayonnements UV ou visibles provoque des r\u00e9actions photochimiques qui rompent les liaisons et transforment les compos\u00e9s volatils.<\/p>\n<h4><strong>Impact sensoriel<\/strong><\/h4>\n<ul>\n<li>Perte de couleur ou virage vers des teintes brun\u00e2tres<\/li>\n<li>Diminution de la puissance aromatique<\/li>\n<li>Formation de sous-produits \u00e0 odeur d\u00e9sagr\u00e9able<\/li>\n<\/ul>\n<h4><strong>Facteurs aggravants<\/strong><\/h4>\n<ul>\n<li>Emballages transparents sans filtre UV<\/li>\n<li>Stockage prolong\u00e9 sur des \u00e9tag\u00e8res \u00e9clair\u00e9es<\/li>\n<li>Proc\u00e9d\u00e9s r\u00e9alis\u00e9s dans des zones \u00e0 forte intensit\u00e9 lumineuse<\/li>\n<\/ul>\n<h3 id=\"thermiques\"><strong>3. D\u00e9gradation thermique : volatilisation et d\u00e9composition \u00e0 haute temp\u00e9rature<\/strong><\/h3>\n<p>La temp\u00e9rature est l\u2019un des param\u00e8tres les plus critiques pour la stabilit\u00e9 sensorielle. M\u00eame des augmentations mod\u00e9r\u00e9es :<\/p>\n<ul>\n<li>Acc\u00e9l\u00e8rent les r\u00e9actions chimiques<\/li>\n<li>Favorisent la volatilisation des compos\u00e9s l\u00e9gers<\/li>\n<\/ul>\n<h4><strong>Impact sensoriel<\/strong><\/h4>\n<ul>\n<li>Perte des fractions aromatiques de faible masse mol\u00e9culaire<\/li>\n<li>Simplification du profil aromatique<\/li>\n<li>Formation de compos\u00e9s de d\u00e9gradation modifiant l\u2019odeur et la couleur<\/li>\n<\/ul>\n<h4><strong>Facteurs aggravants<\/strong><\/h4>\n<ul>\n<li>Proc\u00e9d\u00e9s d\u2019extraction conventionnels \u00e0 haute temp\u00e9rature<\/li>\n<li>S\u00e9chages agressifs<\/li>\n<li>Stockage ou transport soumis \u00e0 des fluctuations thermiques<\/li>\n<\/ul>\n<h3 id=\"matrice\"><strong>4. Interactions avec la matrice : r\u00e9activit\u00e9, pH et incompatibilit\u00e9s<\/strong><\/h3>\n<p>Les ingr\u00e9dients cosm\u00e9tiques peuvent se d\u00e9grader en raison de :<\/p>\n<ul>\n<li>L\u2019hydrolyse<\/li>\n<li>Variations de pH<\/li>\n<li>Interactions avec des tensioactifs, des lipides ou des m\u00e9taux<\/li>\n<\/ul>\n<p>Ces interactions modifient la structure chimique de l\u2019extrait et, par cons\u00e9quent, son profil sensoriel.<\/p>\n<h4><strong>Impact sensoriel<\/strong><\/h4>\n<ul>\n<li>Diminution de l\u2019intensit\u00e9 aromatique<\/li>\n<li>Modifications olfactives dues \u00e0 des r\u00e9actions secondaires<\/li>\n<li>Perte de stabilit\u00e9 dans les \u00e9mulsions ou les gels<\/li>\n<\/ul>\n<h4><strong>Facteurs aggravants<\/strong><\/h4>\n<ul>\n<li>pH extr\u00eames<\/li>\n<li>Tensioactifs ou polym\u00e8res r\u00e9actifs<\/li>\n<li>Pr\u00e9sence d\u2019eau favorisant l\u2019hydrolyse<\/li>\n<li>M\u00e9taux catalytiques pr\u00e9sents dans la formulation<\/li>\n<\/ul>\n<p>Comprendre ces m\u00e9canismes de d\u00e9gradation constitue la premi\u00e8re \u00e9tape pour les anticiper et prendre des d\u00e9cisions techniques plus \u00e9clair\u00e9es. Le v\u00e9ritable d\u00e9fi pour l\u2019industrie cosm\u00e9tique r\u00e9side dans la capacit\u00e9 \u00e0 <a href=\"https:\/\/www.ainia.com\/fr\/ainia-news\/5-strategies-pour-preserver-le-profil-sensoriel-des-extraits-cosmetiques\/\"><strong>pr\u00e9venir la d\u00e9gradation des <em>extrai<\/em><em>s<\/em>\u00a0sans renoncer \u00e0 l\u2019authenticit\u00e9 sensorielle ni aux exigences de durabilit\u00e9.<em>ts aromatique<\/em><\/strong><\/a><\/p>\n<p><img decoding=\"async\" class=\"alignnone size-large wp-image-159332\" src=\"https:\/\/www.ainia.com\/wp-content\/uploads\/2023\/03\/sectores-cosmetica-inicio-1024x683.jpg\" alt=\"Sector Cosm\u00e9tico, Innovaci\u00f3n para afrontar los retos\" width=\"1024\" height=\"683\" srcset=\"https:\/\/www.ainia.com\/wp-content\/uploads\/2023\/03\/sectores-cosmetica-inicio-1024x683.jpg 1024w, https:\/\/www.ainia.com\/wp-content\/uploads\/2023\/03\/sectores-cosmetica-inicio-300x200.jpg 300w, https:\/\/www.ainia.com\/wp-content\/uploads\/2023\/03\/sectores-cosmetica-inicio-768x512.jpg 768w, https:\/\/www.ainia.com\/wp-content\/uploads\/2023\/03\/sectores-cosmetica-inicio.jpg 1260w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><\/p>\n<p><strong><em><span class=\"TextRun SCXW231513783 BCX8\" lang=\"FR-FR\" xml:lang=\"FR-FR\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW231513783 BCX8\">Financ\u00e9<\/span><span class=\"NormalTextRun SCXW231513783 BCX8\">\u00a0par le\u00a0<\/span><span class=\"NormalTextRun SCXW231513783 BCX8\">programme<\/span><span class=\"NormalTextRun SCXW231513783 BCX8\">\u00a0<\/span><span class=\"NormalTextRun SCXW231513783 BCX8\">d\u2019aides<\/span><span class=\"NormalTextRun SCXW231513783 BCX8\">\u00a0\u00e0\u00a0<\/span><span class=\"NormalTextRun SCXW231513783 BCX8\">l\u2019embauche<\/span><span class=\"NormalTextRun SCXW231513783 BCX8\">\u00a0de\u00a0<\/span><span class=\"NormalTextRun SCXW231513783 BCX8\">jeunes<\/span><span class=\"NormalTextRun SCXW231513783 BCX8\">\u00a0<\/span><span class=\"NormalTextRun SCXW231513783 BCX8\">professionnels<\/span><span class=\"NormalTextRun SCXW231513783 BCX8\">\u00a0<\/span><span class=\"NormalTextRun SCXW231513783 BCX8\">sp\u00e9cialis\u00e9s<\/span><span class=\"NormalTextRun SCXW231513783 BCX8\">\u00a0en\u00a0<\/span><span class=\"NormalTextRun SCXW231513783 BCX8\">internationalisation<\/span><\/span> <\/em><\/strong><\/p>\n<p><strong><em><span class=\"EOP SCXW231513783 BCX8\" data-ccp-props='{\"134233117\":false,\"134233118\":false,\"201341983\":0,\"335559685\":720,\"335559738\":0,\"335559739\":0,\"335559740\":300}'><img decoding=\"async\" class=\"alignnone size-large wp-image-191113\" src=\"https:\/\/www.ainia.com\/wp-content\/uploads\/2026\/02\/Imagen1-1024x109.png\" alt=\"\" width=\"1024\" height=\"109\" srcset=\"https:\/\/www.ainia.com\/wp-content\/uploads\/2026\/02\/Imagen1-1024x109.png 1024w, https:\/\/www.ainia.com\/wp-content\/uploads\/2026\/02\/Imagen1-300x32.png 300w, https:\/\/www.ainia.com\/wp-content\/uploads\/2026\/02\/Imagen1-768x82.png 768w, https:\/\/www.ainia.com\/wp-content\/uploads\/2026\/02\/Imagen1-1536x164.png 1536w, https:\/\/www.ainia.com\/wp-content\/uploads\/2026\/02\/Imagen1.png 1878w\" sizes=\"(max-width: 1024px) 100vw, 1024px\">[\/vc_column_text][\/vc_column][\/vc_row]<\/span><\/em><\/strong><\/p>\n<\/div><\/body><\/html>","protected":false},"excerpt":{"rendered":"<p>[vc_row][vc_column][vc_column_text] Index Priorit\u00e9s des consommateurs Facteurs Oxydation Photod\u00e9gradation D\u00e9gradations thermiques Interactions avec la matrice Quelles sont les priorit\u00e9s des consommateurs en cosm\u00e9tique ? Ar\u00f4me authentique: La fragrance doit refl\u00e9ter fid\u00e8lement la mati\u00e8re premi\u00e8re d\u2019origine et conserver son profil caract\u00e9ristique tout au long de la dur\u00e9e de vie du produit, en \u00e9vitant absolument l\u2019apparition de notes [&hellip;]<\/p>\n","protected":false},"author":186,"featured_media":185630,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[1976],"tags":[],"class_list":["post-185669","post","type-post","status-publish","format-standard","hentry","category-innovation-technologique"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>4 facteurs qui d\u00e9gradent le profil sensoriel des extraits aromatiques<\/title>\n<meta name=\"description\" content=\"D\u00e9couvrez les 5 facteurs qui d\u00e9gradent le profil 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