{"id":4887,"date":"2024-08-04T16:08:25","date_gmt":"2024-08-04T16:08:25","guid":{"rendered":"https:\/\/longchangextracts.com\/?p=4887"},"modified":"2024-08-04T16:08:25","modified_gmt":"2024-08-04T16:08:25","slug":"lutein","status":"publish","type":"post","link":"https:\/\/longchangextracts.com\/fr\/lutein\/","title":{"rendered":"Quelles sont les applications et les perspectives de march\u00e9 de la lut\u00e9ine dans l'industrie alimentaire ?"},"content":{"rendered":"<p>La lut\u00e9ine fait partie des carot\u00e9no\u00efdes, largement pr\u00e9sents dans les l\u00e9gumes, les fruits, les fleurs et d'autres organismes sous forme de pigments naturels, en particulier dans les soucis \u00e0 la teneur la plus \u00e9lev\u00e9e, qui est rouge-orange ou jaune-orange, les principaux composants \u00e9tant la lut\u00e9ine (lut\u00e9ine) et la z\u00e9axanthine (z\u00e9axanthine).<\/p>\n<p><strong>Propri\u00e9t\u00e9s physico-chimiques et source de lut\u00e9ine<\/strong><\/p>\n<p>La formule mol\u00e9culaire de la lut\u00e9ine est C40H56O2, sa masse mol\u00e9culaire relative est de 568,87. La lut\u00e9ine est un pigment jaune orang\u00e9 en poudre, en p\u00e2te ou en liquide jaune-brun, avec une faible odeur de foin, insoluble dans l'eau, soluble dans le propanol, le m\u00e9thanol, l'isopropanol et le dichloro\u00e9thane, bonne r\u00e9sistance \u00e0 la chaleur.<\/p>\n<p>La lut\u00e9ine est largement pr\u00e9sente dans les l\u00e9gumes verts. Parmi eux, la teneur en lut\u00e9ine du souci est la plus \u00e9lev\u00e9e. Conform\u00e9ment aux dispositions de la norme nationale GB 26405-2011 relative \u00e0 la s\u00e9curit\u00e9 alimentaire des additifs alimentaires lut\u00e9ine, l'additif alimentaire lut\u00e9ine provient du souci.<\/p>\n<p><strong>Fonctions de la lut\u00e9ine<\/strong><\/p>\n<p><strong>1. Fonction de coloration<\/strong><br \/>\nLa lut\u00e9ine a une bonne fonction colorante, car elle a une couleur jaune vif, elle est insoluble dans l'eau, soluble dans l'huile, l'\u00e9thanol, un fort pouvoir colorant, la lumi\u00e8re, la chaleur, l'acide, l'alcali et d'autres caract\u00e9ristiques. Elle peut \u00eatre largement utilis\u00e9e dans les p\u00e2tisseries, les confiseries, les boissons, les produits \u00e0 base de riz et de nouilles, et peut \u00e9galement \u00eatre utilis\u00e9e pour colorer les produits de soins de sant\u00e9 ainsi que pour colorer l'enrobage de sucre des comprim\u00e9s et des capsules.<\/p>\n<p><strong>2. prot\u00e9ger la vue<\/strong><\/p>\n<p>Ces derni\u00e8res ann\u00e9es, des \u00e9tudes ont montr\u00e9 que la lut\u00e9ine et la z\u00e9axanthine peuvent pr\u00e9venir les dommages caus\u00e9s par la lumi\u00e8re dans une partie de la r\u00e9tine de l'\u0153il, et son m\u00e9canisme comporte 2 points.<\/p>\n<p>(1) La lut\u00e9ine peut filtrer la lumi\u00e8re bleue visible \u00e0 haute \u00e9nergie. Certaines exp\u00e9riences ont prouv\u00e9 qu'une r\u00e9duction de 40% de la lumi\u00e8re bleue peut r\u00e9duire consid\u00e9rablement le nombre de radicaux libres sur la r\u00e9tine.<\/p>\n<p>(2) En tant qu'antioxydant, la lut\u00e9ine peut r\u00e9duire l'effet oxydant de la lumi\u00e8re sur les yeux et contr\u00f4ler la formation d'oxydes r\u00e9actifs et de radicaux libres.<\/p>\n<p><strong>3. Fonction antioxydante<\/strong><\/p>\n<p>La lut\u00e9ine, en tant que carot\u00e9no\u00efde, contient de multiples doubles liaisons insatur\u00e9es avec un fort effet de pi\u00e9geage des radicaux libres, ce qui peut jouer un r\u00f4le d'antioxydant et retarder le vieillissement.<\/p>\n<p><strong>Application de la lut\u00e9ine<\/strong><\/p>\n<p><strong>1. Application de la lut\u00e9ine dans la transformation de nouvelles ressources alimentaires<\/strong><br \/>\nLa lut\u00e9ine est utilis\u00e9e comme colorant dans les boissons et les gel\u00e9es, les jus d'orange, les boissons lact\u00e9es et les boissons gazeuses. Apr\u00e8s 6 mois de stockage, la r\u00e9tention de lut\u00e9ine est sup\u00e9rieure \u00e0 90%.<\/p>\n<p><strong>2. Effet protecteur de l'ester de lut\u00e9ine sur la peau<\/strong><\/p>\n<p>Il est prouv\u00e9 qu'une exposition prolong\u00e9e aux rayons UV r\u00e9duit la teneur en carot\u00e9no\u00efdes (y compris la lut\u00e9ine) de la peau en grandes quantit\u00e9s. L'exposition aux UVA et UVB dans la peau, en raison de la pr\u00e9sence d'esp\u00e8ces r\u00e9actives de l'oxyg\u00e8ne, provoque une r\u00e9ponse inflammatoire \u00e0 m\u00e9diation cellulaire, qui se traduit par un \u00e9ryth\u00e8me, un gonflement et une alt\u00e9ration de l'esth\u00e9tique. Dans les cas les plus graves, elle induit m\u00eame un cancer de la peau. Certaines exp\u00e9riences ont montr\u00e9 que la lut\u00e9ine peut jouer un r\u00f4le protecteur, le m\u00e9canisme principal \u00e9tant l'absorption de la lumi\u00e8re bleue dans la lumi\u00e8re ultraviolette, mais aussi le pi\u00e9geage des radicaux libres, de sorte que W peut r\u00e9duire les dommages caus\u00e9s par les UV \u00e0 la peau et prot\u00e9ger la peau.<\/p>\n<p><strong>3. Le r\u00f4le des esters de lut\u00e9ine sur les colorants de volaille<\/strong><br \/>\nL'ester de lut\u00e9ine naturelle poss\u00e8de plus d'un chromophore \u00e0 double liaison carbone-carbone, montrant des couleurs vives, la diff\u00e9rence de couleur entre les diff\u00e9rentes teneurs en ester de lut\u00e9ine est \u00e9vidente, du jaune clair au rouge, et l'ester de lut\u00e9ine et la lut\u00e9ine libre compar\u00e9s aux deux extr\u00e9mit\u00e9s du groupe non actif un groupe \u00e0 une voie, d\u00e9termine que l'ester de lut\u00e9ine peut \u00eatre appliqu\u00e9 comme un agent colorant stable.<\/p>\n<p><strong>Perspectives de march\u00e9<\/strong><\/p>\n<p>La lut\u00e9ine et la z\u00e9axanthine ont \u00e9t\u00e9 tr\u00e8s actives au cours des cinq derni\u00e8res ann\u00e9es. Il existe d\u00e9j\u00e0 un certain nombre de cat\u00e9gories de produits sur le march\u00e9 qui utilisent la lut\u00e9ine. Le principal moteur du march\u00e9 de la lut\u00e9ine est l'inqui\u00e9tude des consommateurs face aux maladies li\u00e9es \u00e0 l'\u00e2ge telles que la d\u00e9g\u00e9n\u00e9rescence maculaire. Cependant, de nouvelles \u00e9tudes montrent que la lut\u00e9ine a des applications dans d'autres domaines de la sant\u00e9 tels que la sant\u00e9 c\u00e9r\u00e9brale, la nutrition sportive, la sant\u00e9 de la peau et la gestion du sommeil, et ces nouvelles d\u00e9couvertes attireront davantage l'attention de diff\u00e9rents groupes de consommateurs sur cet ingr\u00e9dient.<\/p>","protected":false},"excerpt":{"rendered":"<p>Lutein belongs to carotenoids, widely found in vegetables, fruits, flowers and other organisms in the natural pigments, especially in marigolds in the highest content, which is orange-red or orange-yellow, the main components for lutein (lutein) and zeaxanthin (zeaxanthin). Physicochemical properties and source of lutein Lutein (Lutein) is its molecular formula for C40H56O2, relative molecular mass [&hellip;]<\/p>","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[46],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What are the applications and market prospects of lutein in food processing? - China Chemical Manufacturer<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/longchangextracts.com\/fr\/lutein\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What are the applications and market prospects of lutein in food processing? - China Chemical Manufacturer\" \/>\n<meta property=\"og:description\" content=\"Lutein belongs to carotenoids, widely found in vegetables, fruits, flowers and other organisms in the natural pigments, especially in marigolds in the highest content, which is orange-red or orange-yellow, the main components for lutein (lutein) and zeaxanthin (zeaxanthin). 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