{"id":8490,"date":"2024-08-14T15:23:39","date_gmt":"2024-08-14T15:23:39","guid":{"rendered":"https:\/\/longchangextracts.com\/?p=8490"},"modified":"2024-08-14T15:23:39","modified_gmt":"2024-08-14T15:23:39","slug":"green-mulberry","status":"publish","type":"post","link":"https:\/\/longchangextracts.com\/fr\/mure-verte\/","title":{"rendered":"\u00c9tude sur la s\u00e9paration et la pr\u00e9paration des anthocyanes du m\u00fbrier vert par chromatographie \u00e0 contre-courant \u00e0 grande vitesse et leur activit\u00e9 antioxydante"},"content":{"rendered":"<p>\u00c9tude sur la s\u00e9paration et la pr\u00e9paration des anthocyanes du m\u00fbrier vert par chromatographie \u00e0 contre-courant \u00e0 grande vitesse et leur activit\u00e9 antioxydante<br \/>\nLa m\u00fbre, en tant que fruit du m\u00fbrier de la famille des m\u00fbriers, est riche en nutriments et a divers effets tels que l'anticanc\u00e9reux, l'antioxydant, l'analg\u00e9sique et l'anti-inflammatoire, ainsi que la beaut\u00e9 des cheveux noirs. Les m\u00fbres vertes, \u00e9galement connues sous le nom de m\u00fbres jaunes, sont des m\u00fbres immatures. En m\u00e9decine traditionnelle chinoise, les m\u00fbres vertes sont plus faciles \u00e0 cueillir, \u00e0 transporter et \u00e0 stocker que les m\u00fbres matures, et leur teneur en anthocyanes, cat\u00e9chines et \u00e9picat\u00e9chines est beaucoup plus \u00e9lev\u00e9e que celle des m\u00fbres matures. Des \u00e9tudes nationales et internationales ont \u00e9t\u00e9 men\u00e9es sur l'extraction et l'isolement des anthocyanes de diverses plantes telles que les p\u00e9pins de raisin, les roses, les soies de ma\u00efs, les canneberges, les f\u00e8ves de cacao, etc. Liu et al. ont utilis\u00e9 la r\u00e9sine LSA-10 pour enrichir et purifier les anthocyanes de l'aub\u00e9pine ; Chen Wenliang et al. ont utilis\u00e9 la s\u00e9paration par membrane et la filtration pour s\u00e9parer les anthocyanes oligom\u00e9riques des p\u00e9pins de raisin, ce qui a permis d'obtenir un contenu de 65% d'anthocyanes oligom\u00e9riques, mais n'ont pas obtenu de composants de s\u00e9paration des monom\u00e8res ; Glavnik et al. ont analys\u00e9 les anthocyanes de la canne tigr\u00e9e japonaise en utilisant la chromatographie sur couche mince \u00e0 haute performance et ont identifi\u00e9 des monom\u00e8res, des d\u00e9cam\u00e8res et des anthocyanes de type B \u00e0 partir de son extrait brut. Cependant, cette m\u00e9thode est difficile \u00e0 pr\u00e9parer ; Sun et al. ont utilis\u00e9 la chromatographie liquide \u00e0 haute performance semi-pr\u00e9parative pour s\u00e9parer les anthocyanes des p\u00e9pins de raisin, mais le pr\u00e9traitement \u00e9tait complexe et le rendement de s\u00e9paration \u00e9tait faible ; cet article choisit la chromatographie \u00e0 contre-courant \u00e0 grande vitesse (HSCCC), qui a une grande capacit\u00e9 de s\u00e9paration, peut \u00eatre utilis\u00e9e pour la pr\u00e9paration et la s\u00e9paration par lots, est facile \u00e0 utiliser, et a une grande efficacit\u00e9 de s\u00e9paration.<br \/>\nLes procyanidines (PC), un type de compos\u00e9 polyph\u00e9nolique, sont largement pr\u00e9sentes dans les plantes. Elles sont principalement compos\u00e9es de cat\u00e9chines, d'\u00e9picat\u00e9chines (EC), d'\u00e9pigallocat\u00e9chines (EGC) et de gallates d'\u00e9picat\u00e9chine (ECG), et ont une forte activit\u00e9 antioxydante. Ce travail vise \u00e0 utiliser la chromatographie \u00e0 contre-courant \u00e0 haute vitesse pour s\u00e9parer et purifier les anthocyanes des m\u00fbres vertes. La chromatographie liquide \u00e0 haute performance (HPLC) sera utilis\u00e9e pour identifier les composants chimiques de chaque composant et analyser leur puret\u00e9. En examinant la capacit\u00e9 de pi\u00e9geage des radicaux DPPH, des radicaux ABTS+ et des radicaux hydroxyles dans chaque composant, la force de leur capacit\u00e9 antioxydante peut \u00eatre refl\u00e9t\u00e9e. Ce travail \u00e9largit le champ de la transformation et de l'utilisation en profondeur des m\u00fbres, fournit une orientation pour la production industrielle d'anthocyanes dans les m\u00fbres vertes et a une certaine valeur de r\u00e9f\u00e9rence pour le d\u00e9veloppement et l'utilisation des m\u00fbres en tant que ressources m\u00e9dicinales.<\/p>\n<p>\u200d<\/p>\n<p>En utilisant le m\u00fbrier vert comme mati\u00e8re premi\u00e8re, l'extrait brut a \u00e9t\u00e9 obtenu par extraction, d\u00e9graissage, \u00e9limination des impuret\u00e9s et enrichissement par extraction dans les conditions exp\u00e9rimentales. Le syst\u00e8me de solvants optimal pour la s\u00e9paration et la purification de l'HSCCC \u00e9tait le n-hexane, l'ac\u00e9tate d'\u00e9thyle et l'eau (1:20:20, V\/V\/V). 200 mg d'extrait brut d'anthocyanes de m\u00fbrier vert ont \u00e9t\u00e9 s\u00e9par\u00e9s en cinq composants par HSCCC, \u00e0 savoir F1 (28,5 mg), F2 (10,43 mg), F3 (6,85 mg), F4 (10,65 mg) et F5 (13,65 mg). Chaque composant contenait des cat\u00e9chines, de l'anthocyane B2, de l'anthocyane A1, etc. Parmi eux, F4 contient de l'\u00e9pigallocat\u00e9chine gallate, d'une puret\u00e9 de 95,05% ; F5 contient des cat\u00e9chines d'une puret\u00e9 de 73,75%. Les composants s\u00e9par\u00e9s ont tous une certaine activit\u00e9 antioxydante. En utilisant Vc comme contr\u00f4le, la capacit\u00e9 de pi\u00e9geage du radical libre DPPH est la suivante : Vc&gt;F5&gt;F4&gt;F2&gt;F3&gt;F1&gt;extrait brut de m\u00fbrier vert ; capacit\u00e9 de pi\u00e9geage du radical libre ABTS : Vc&gt;F5&gt;F4&gt;F2&gt;F3&gt;F1&gt; extrait brut de m\u00fbrier vert ; capacit\u00e9 de pi\u00e9geage du radical hydroxyle : F1&gt;F5&gt;Vc&gt;F4&gt;F2&gt;extrait brut de m\u00fbrier vert&gt;F3. Le HSCCC a une grande capacit\u00e9 de pr\u00e9paration et ne contient pas de mat\u00e9riau d'emballage dans la colonne chromatographique. Dans cette exp\u00e9rience, l'extrait brut peut \u00eatre s\u00e9par\u00e9 une fois pour obtenir cinq composants, et certains composants ont des substances monom\u00e8res de haute puret\u00e9 et une forte activit\u00e9 antioxydante. Le contenu de la recherche de cet article a ouvert de nouvelles id\u00e9es pour la production d'anthocyanes et a fourni un soutien th\u00e9orique pour l'\u00e9tude de l'efficacit\u00e9 m\u00e9dicinale des anthocyanes dans les m\u00fbres vertes.<\/p>","protected":false},"excerpt":{"rendered":"<p>Study on the Separation and Preparation of Anthocyanins from Green Mulberry by High Speed Counter Current Chromatography and Their Antioxidant Activity Mulberry, as the fruit of mulberry trees in the mulberry family, is rich in nutrients and has various effects such as anti-cancer, antioxidant, analgesic and anti-inflammatory, and beauty of black hair. Green mulberries, also [&hellip;]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Study on the Separation and Preparation of Anthocyanins from Green Mulberry by High Speed Counter Current Chromatography and Their Antioxidant Activity - 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\/mure-verte\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Study on the Separation and Preparation of Anthocyanins from Green Mulberry by High Speed Counter Current Chromatography and Their Antioxidant Activity - China Chemical Manufacturer\" \/>\n<meta property=\"og:description\" content=\"Study on the Separation and Preparation of Anthocyanins from Green Mulberry by High Speed Counter Current Chromatography and Their Antioxidant Activity Mulberry, as the fruit of mulberry trees in the mulberry family, is rich in nutrients and has various effects such as anti-cancer, antioxidant, analgesic and anti-inflammatory, and beauty of black hair. 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Green mulberries, also [&hellip;]","og_url":"https:\/\/longchangextracts.com\/fr\/mure-verte\/","og_site_name":"China Chemical Manufacturer","article_published_time":"2024-08-14T15:23:39+00:00","author":"longcha9","twitter_card":"summary_large_image","twitter_misc":{"\u00c9crit par":"longcha9","Dur\u00e9e de lecture estim\u00e9e":"3 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/longchangextracts.com\/green-mulberry\/","url":"https:\/\/longchangextracts.com\/green-mulberry\/","name":"\u00c9tude sur la s\u00e9paration et la pr\u00e9paration d'anthocyanes de m\u00fbrier vert par chromatographie \u00e0 contre-courant \u00e0 haute vitesse et leur activit\u00e9 antioxydante - China Chemical Manufacturer","isPartOf":{"@id":"https:\/\/longchangextracts.com\/#website"},"datePublished":"2024-08-14T15:23:39+00:00","dateModified":"2024-08-14T15:23:39+00:00","author":{"@id":"https:\/\/longchangextracts.com\/#\/schema\/person\/80933ac6926ad63fea74ec33f8d04869"},"breadcrumb":{"@id":"https:\/\/longchangextracts.com\/green-mulberry\/#breadcrumb"},"inLanguage":"fr-FR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/longchangextracts.com\/green-mulberry\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/longchangextracts.com\/green-mulberry\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/longchangextracts.com\/"},{"@type":"ListItem","position":2,"name":"Study on the Separation and Preparation of Anthocyanins from Green Mulberry by High Speed Counter Current Chromatography and Their Antioxidant Activity"}]},{"@type":"WebSite","@id":"https:\/\/longchangextracts.com\/#website","url":"https:\/\/longchangextracts.com\/","name":"Fabricant chinois de produits chimiques","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/longchangextracts.com\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"fr-FR"},{"@type":"Person","@id":"https:\/\/longchangextracts.com\/#\/schema\/person\/80933ac6926ad63fea74ec33f8d04869","name":"longcha9","image":{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/longchangextracts.com\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/c1e84ee0759373263198c58e8f338f80?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/c1e84ee0759373263198c58e8f338f80?s=96&d=mm&r=g","caption":"longcha9"}}]}},"_links":{"self":[{"href":"https:\/\/longchangextracts.com\/fr\/wp-json\/wp\/v2\/posts\/8490"}],"collection":[{"href":"https:\/\/longchangextracts.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/longchangextracts.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/longchangextracts.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/longchangextracts.com\/fr\/wp-json\/wp\/v2\/comments?post=8490"}],"version-history":[{"count":1,"href":"https:\/\/longchangextracts.com\/fr\/wp-json\/wp\/v2\/posts\/8490\/revisions"}],"predecessor-version":[{"id":8491,"href":"https:\/\/longchangextracts.com\/fr\/wp-json\/wp\/v2\/posts\/8490\/revisions\/8491"}],"wp:attachment":[{"href":"https:\/\/longchangextracts.com\/fr\/wp-json\/wp\/v2\/media?parent=8490"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/longchangextracts.com\/fr\/wp-json\/wp\/v2\/categories?post=8490"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/longchangextracts.com\/fr\/wp-json\/wp\/v2\/tags?post=8490"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}