{"id":416,"date":"2026-05-08T05:47:08","date_gmt":"2026-05-08T05:47:08","guid":{"rendered":"https:\/\/www.totarolchina.com\/?post_type=product&#038;p=416"},"modified":"2026-05-08T05:47:20","modified_gmt":"2026-05-08T05:47:20","slug":"catechin","status":"publish","type":"product","link":"https:\/\/www.totarolchina.com\/fr\/htproduct\/catechin\/","title":{"rendered":"Cat\u00e9chine"},"content":{"rendered":"<h3>1. Aper\u00e7u du produit et pertinence sur le march\u00e9<\/h3>\n<p data-path-to-node=\"16\">Les cat\u00e9chines repr\u00e9sentent la fraction active la plus pr\u00e9cieuse de l'extrait de th\u00e9 vert. En cosm\u00e9tique, l'objectif est de maximiser la concentration de la cat\u00e9chine la plus puissante, l'EGCG, qui est significativement plus efficace que les antioxydants traditionnels comme la vitamine <span class=\"math-inline\" data-math=\"text{C}\">C<\/span> ou <span class=\"math-inline\" data-math=\"text{E}\">E<\/span>. Cet ingr\u00e9dient est une pierre angulaire des soins de la peau d\u00e9fensifs modernes, utilis\u00e9 dans les produits visant \u00e0 r\u00e9duire le stress oxydatif, \u00e0 att\u00e9nuer les dommages caus\u00e9s par la pollution et \u00e0 soutenir la long\u00e9vit\u00e9 globale de la peau.<\/p>\n<h3>2. Points forts techniques et param\u00e8tres critiques<\/h3>\n<h4>2.1 M\u00e9canisme d'action<\/h4>\n<ul data-path-to-node=\"19\">\n<li>\n<p data-path-to-node=\"19,0,0\"><b>Pi\u00e9geage des radicaux libres :<\/b> La structure chimique unique de la cat\u00e9chine lui permet de donner des atomes d'hydrog\u00e8ne pour neutraliser un large \u00e9ventail d'esp\u00e8ces r\u00e9actives de l'oxyg\u00e8ne (ROS), offrant un bouclier environnemental efficace.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"19,1,0\"><b>Inhibition des MMP :<\/b> Il inhibe activement les m\u00e9talloprot\u00e9inases matricielles (MMP), en particulier celles d\u00e9clench\u00e9es par l'exposition aux <span class=\"math-inline\" data-math=\"text{UV}\">UV<\/span>\u00a0, qui sont responsables de la d\u00e9gradation de la matrice de soutien de collag\u00e8ne de la peau.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"19,2,0\"><b>Protection cellulaire :<\/b> Aide \u00e0 stabiliser les membranes cellulaires et l'ADN contre les dommages oxydatifs, soutenant la sant\u00e9 et la fonction globales de la peau.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"19,3,0\"><b>Action apaisante :<\/b> Module les voies inflammatoires pour calmer la r\u00e9activit\u00e9 cutan\u00e9e et r\u00e9duire les rougeurs visibles.<\/p>\n<\/li>\n<\/ul>\n<h4>2.2 Sp\u00e9cifications techniques standard<\/h4>\n<table data-path-to-node=\"21\">\n<thead>\n<tr>\n<td><strong>Param\u00e8tre<\/strong><\/td>\n<td><strong>Sp\u00e9cification (Grade de haute puret\u00e9)<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td data-path-to-node=\"21,1,0,0\"><b>Polyph\u00e9nols totaux<\/b><\/td>\n<td data-path-to-node=\"21,1,1,0\">\u226595%<\/td>\n<\/tr>\n<tr>\n<td data-path-to-node=\"21,2,0,0\"><b>Teneur en EGCG<\/b><\/td>\n<td data-path-to-node=\"21,2,1,0\">\u226545%<\/td>\n<\/tr>\n<tr>\n<td data-path-to-node=\"21,3,0,0\"><b>Apparence<\/b><\/td>\n<td data-path-to-node=\"21,3,1,0\">Poudre brun clair<\/td>\n<\/tr>\n<tr>\n<td data-path-to-node=\"21,4,0,0\"><b>Dosage recommand\u00e9<\/b><\/td>\n<td data-path-to-node=\"21,4,1,0\">0.1%-2.0% (en tant qu'actif pur)<\/td>\n<\/tr>\n<tr>\n<td data-path-to-node=\"21,5,0,0\"><b>Solubilit\u00e9<\/b><\/td>\n<td data-path-to-node=\"21,5,1,0\">Soluble dans l'eau<\/td>\n<\/tr>\n<tr>\n<td data-path-to-node=\"21,6,0,0\"><b>Plage de pH<\/b><\/td>\n<td data-path-to-node=\"21,6,1,0\">4.5-6.5 (Plage optimale pour la stabilit\u00e9)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>3. Positionnement sur le march\u00e9 et avantages cl\u00e9s<\/h3>\n<ul data-path-to-node=\"23\">\n<li>\n<p data-path-to-node=\"23,0,0\"><b>Puissance antioxydante sup\u00e9rieure :<\/b> Positionne les produits \u00e0 la pointe des cat\u00e9gories anti-pollution et anti-\u00e2ge pr\u00e9ventives gr\u00e2ce \u00e0 son extr\u00eame capacit\u00e9 \u00e0 pi\u00e9ger les radicaux libres.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"23,1,0\"><b>D\u00e9fenseur du collag\u00e8ne :<\/b> Offre un m\u00e9canisme direct pour prot\u00e9ger l'int\u00e9grit\u00e9 structurelle de la peau en inhibant <span class=\"math-inline\" data-math=\"text{MMP}\">MMP<\/span>\u00a0activit\u00e9 enzymatique.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"23,2,0\"><b>Bienfaits anti-inflammatoires :<\/b> Id\u00e9al pour les peaux sensibles, stress\u00e9es ou sujettes \u00e0 l'acn\u00e9, car il r\u00e9duit l'inflammation et favorise un teint apais\u00e9.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"23,3,0\"><b>Naturel et durable :<\/b> Issu d'une source naturelle mondialement reconnue, il s\u00e9duit les consommateurs soucieux de la beaut\u00e9 propre et de l'\u00e9thique.<\/p>\n<\/li>\n<\/ul>\n<h3>4. Formulation Guidelines<\/h3>\n<ul data-path-to-node=\"25\">\n<li>\n<p data-path-to-node=\"25,0,0\"><b>Integration Phase:<\/b> La poudre de cat\u00e9chine est <b>water soluble<\/b> et doit \u00eatre enti\u00e8rement dissoute dans la phase aqueuse de la formulation.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"25,1,0\"><b>Concentration:<\/b> L'utilisation varie g\u00e9n\u00e9ralement de <b>0.1% \u00e0 2.0%<\/b>. Des concentrations plus \u00e9lev\u00e9es maximisent la r\u00e9serve antioxydante pour les traitements intensifs.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"25,2,0\"><b>Temp\u00e9rature :<\/b> Il est essentiel d'ajouter la cat\u00e9chine pendant la <b>cooling phase<\/b> (en dessous de 40 \u00b0C) pour garantir la pr\u00e9servation de la stabilit\u00e9 du composant actif EGCG.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"25,3,0\"><b>pH Control:<\/b> La stabilit\u00e9 et l'efficacit\u00e9 optimales se trouvent dans la plage acide \u00e0 quasi neutre de <b>4.5-6.5<\/b>.<\/p>\n<\/li>\n<\/ul>\n<h3>5. Quality Assurance and Regulatory Confidence<\/h3>\n<p data-path-to-node=\"27\">Our quality and safety credentials include:<\/p>\n<ul data-path-to-node=\"28\">\n<li>\n<p data-path-to-node=\"28,0,0\"><b>COSMOS (Natural and Organic Cosmetic Standard)<\/b><\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"28,1,0\"><b>ISO 9001 Quality Management System<\/b><\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"28,2,0\"><b>ISO 22000 Food Safety Management System<\/b><\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"28,3,0\"><b>HALAL Certification<\/b><\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"28,4,0\"><b>IQNET (The International Certification Network)<\/b><\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"28,5,0\"><b>Technical Dossier (Certificate of Analysis \u2013 COA, Technical Data Sheet \u2013 TDS, Material Safety Data Sheet \u2013 MSDS)<\/b><\/p>\n<\/li>\n<\/ul>\n<h3>6. Applications typiques<\/h3>\n<ul data-path-to-node=\"30\">\n<li>\n<p data-path-to-node=\"30,0,0\"><b>S\u00e9rums D\u00e9fensifs :<\/b> S\u00e9rums antioxydants quotidiens con\u00e7us pour prot\u00e9ger contre les dommages environnementaux et la pollution.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"30,1,0\"><b>Soin Solaire :<\/b> Utilis\u00e9 comme booster dans les \u00e9crans solaires et les produits apr\u00e8s-soleil pour une photoprotection am\u00e9lior\u00e9e.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"30,2,0\"><b>Formules anti-\u00e2ge :<\/b> Cr\u00e8mes et lotions ax\u00e9es sur la r\u00e9duction des rides et la pr\u00e9servation de la fermet\u00e9 de la peau.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"30,3,0\"><b>Produits apaisants :<\/b> Gels et toniques pour r\u00e9duire les rougeurs et l'inflammation des peaux sensibles.<\/p>\n<\/li>\n<\/ul>\n<h3>7. R\u00e9sum\u00e9 des preuves scientifiques<\/h3>\n<ul data-path-to-node=\"32\">\n<li>\n<p data-path-to-node=\"32,0,0\"><b>Protection radicalaire :<\/b> Une vaste litt\u00e9rature scientifique confirme la capacit\u00e9 exceptionnelle de l'EGCG \u00e0 pi\u00e9ger diverses esp\u00e8ces r\u00e9actives de l'oxyg\u00e8ne et de l'azote, att\u00e9nuant ainsi les causes du vieillissement cutan\u00e9.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"32,1,0\"><b>Pr\u00e9servation de la matrice :<\/b> Des \u00e9tudes in vitro d\u00e9montrent sa capacit\u00e9 \u00e0 r\u00e9duire significativement l'expression et l'activit\u00e9 des M\u00e9talloprot\u00e9inases Matricielles, cruciales pour la protection des fibres de collag\u00e8ne et d'\u00e9lastine sous-jacentes de la peau.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"32,2,0\"><b>Int\u00e9grit\u00e9 cellulaire :<\/b> Assure une protection essentielle des composants cellulaires, y compris l'ADN, contre les dommages oxydatifs induits par les facteurs de stress externes.<\/p>\n<\/li>\n<\/ul>\n<h3>8. Foire aux questions<\/h3>\n<h4>Q1 : Quelle est la diff\u00e9rence entre la Cat\u00e9chine et l'Extrait de Th\u00e9 Vert ?<\/h4>\n<p data-path-to-node=\"35\">R : La Cat\u00e9chine est le terme d\u00e9signant la famille sp\u00e9cifique de mol\u00e9cules actives (comme l'EGCG) responsables des effets biologiques. <a class=\"wpil_keyword_link\" href=\"https:\/\/www.totarolchina.com\/fr\/htproductgreen-tea-extract\/\" target=\"_blank\" rel=\"noopener\" title=\"Extrait de th\u00e9 vert\" data-wpil-keyword-link=\"linked\" data-wpil-monitor-id=\"782\">Extrait de th\u00e9 vert<\/a> est la mati\u00e8re premi\u00e8re \u00e0 partir de laquelle la Cat\u00e9chine est concentr\u00e9e. Notre produit est standardis\u00e9 pour garantir une concentration \u00e9lev\u00e9e et sp\u00e9cifi\u00e9e du composant actif Cat\u00e9chine (<span class=\"math-inline\" data-math=\"text{EGCG}\">EGCG<\/span>) pour des performances garanties.<\/p>\n<h4>Q2 : La Cat\u00e9chine est-elle stable dans les formules contenant de l'eau ?<\/h4>\n<p data-path-to-node=\"37\">R : La cat\u00e9chine est soluble dans l'eau, mais son activit\u00e9 est sensible aux temp\u00e9ratures \u00e9lev\u00e9es <span class=\"math-inline\" data-math=\"text{pH}\">pH<\/span> et aux temp\u00e9ratures \u00e9lev\u00e9es. En suivant la plage recommand\u00e9e <span class=\"math-inline\" data-math=\"text{pH}\">pH<\/span>\u00a0(4,5-6,5) et en l'ajoutant pendant la phase de refroidissement, sa stabilit\u00e9 et son efficacit\u00e9 dans les formules aqueuses peuvent \u00eatre maintenues.<\/p>\n<h4>Q3 : La cat\u00e9chine peut-elle \u00eatre utilis\u00e9e avec la vitamine C ?<\/h4>\n<p data-path-to-node=\"39\">R : Oui, la cat\u00e9chine est hautement synergique avec la vitamine C (<span class=\"math-inline\" data-math=\"text{Ascorbic}\">Acide<\/span> <span class=\"math-inline\" data-math=\"text{Acid}\">Hyaluronique<\/span>ascorbique). Lorsqu'ils sont formul\u00e9s ensemble, ils offrent une protection antioxydante am\u00e9lior\u00e9e et compl\u00e9mentaire, renfor\u00e7ant les capacit\u00e9s d\u00e9fensives globales du produit.<\/p>\n<p>&nbsp;<\/p>\n<p data-path-to-node=\"41\"><b>Sourcez notre cat\u00e9chine de haute puret\u00e9 (EGCG) pour une protection antioxydante sup\u00e9rieure, une d\u00e9fense du collag\u00e8ne et des formulations avanc\u00e9es apaisantes pour la peau.<\/b><\/p>\n<p>\ud83d\udd12 Obtenez votre dossier technique : Acc\u00e9dez aux TDS, MSDS, COA et rapports d'efficacit\u00e9 clinique.<\/p>\n<p>\ud83d\udd2c Demandez un \u00e9chantillon gratuit : Testez d\u00e8s aujourd'hui le pouvoir stable et hautement efficace de la cat\u00e9chine pour renforcer le syst\u00e8me immunitaire.<\/p>\n<p>\ud83d\udcde Obtenez un devis personnalis\u00e9 : Discutez des commandes en gros et des sp\u00e9cifications de haute puret\u00e9.<\/p>","protected":false},"excerpt":{"rendered":"<p>La cat\u00e9chine, d\u00e9riv\u00e9e du th\u00e9 vert, est une classe de polyph\u00e9nols tr\u00e8s puissante connue pour sa capacit\u00e9 extraordinaire \u00e0 neutraliser les radicaux libres. Ax\u00e9 sur le composant le plus puissant, l'EGCG (<a class=\"wpil_keyword_link\" href=\"https:\/\/www.totarolchina.com\/fr\/htproductepigallocatechin-gallate\/\" target=\"_blank\" rel=\"noopener\" title=\"Gallate d&#039;\u00e9pigallocat\u00e9chine\" data-wpil-keyword-link=\"linked\" data-wpil-monitor-id=\"4564\">Gallate d'\u00e9pigallocat\u00e9chine<\/a>), cet ingr\u00e9dient offre une protection antioxydante sup\u00e9rieure, des bienfaits anti-inflammatoires et une d\u00e9fense active contre la d\u00e9gradation du collag\u00e8ne et de l'\u00e9lastine, ce qui en fait un \u00e9l\u00e9ment essentiel pour les formules anti-\u00e2ge avanc\u00e9es et la d\u00e9fense environnementale quotidienne.<\/p>","protected":false},"featured_media":461,"template":"","meta":[],"product_cat":[23],"product_tag":[],"class_list":{"0":"post-416","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-antioxidant-defense","8":"first","9":"instock","10":"shipping-taxable","11":"product-type-simple"},"etheme_brands":{"errors":{"invalid_taxonomy":["Taxonomie non valide."]},"error_data":[]},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v23.8 (Yoast SEO v24.2) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Catechin Bulk Wholesale | Skincare Ingredients Suppliers<\/title>\n<meta name=\"description\" content=\"Shaanxi Huatai Bio offers premium Catechin as a cosmetic-grade active ingredient. 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