{"id":8954,"date":"2024-08-15T10:49:05","date_gmt":"2024-08-15T10:49:05","guid":{"rendered":"https:\/\/longchangextracts.com\/?p=8954"},"modified":"2024-08-15T10:49:05","modified_gmt":"2024-08-15T10:49:05","slug":"silk-ear-golden-corn-orchid","status":"publish","type":"post","link":"https:\/\/longchangextracts.com\/fr\/silk-ear-golden-corn-orchid\/","title":{"rendered":"\u00c9tude des composants chimiques et de l'activit\u00e9 neuroprotectrice de l'orchid\u00e9e \u00e0 \u00e9pi de soie et \u00e0 ma\u00efs dor\u00e9"},"content":{"rendered":"<p>\u00c9tude des composants chimiques et de l'activit\u00e9 neuroprotectrice de l'orchid\u00e9e \u00e0 \u00e9pi de soie et \u00e0 ma\u00efs dor\u00e9<br \/>\nIl existe 13 esp\u00e8ces et 5 vari\u00e9t\u00e9s de Chloranthus Swartz, plantes de la famille des Chloranthus, principalement r\u00e9parties dans les provinces situ\u00e9es au sud du fleuve Yangtze. Les plantes du genre Jin Su Lan sont des plantes m\u00e9dicinales chinoises largement utilis\u00e9es dans la province de Jiangxi, qui poss\u00e8de une longue histoire de m\u00e9decine populaire et d'abondantes ressources m\u00e9dicinales sauvages. \u00c0 l'heure actuelle, les compos\u00e9s isol\u00e9s des plantes du genre Cymbidium comprennent principalement des sesquiterp\u00e8nes, des dim\u00e8res de sesquiterp\u00e8nes, des diterp\u00e8nes, etc. Des \u00e9tudes pharmacologiques modernes ont montr\u00e9 que les plantes du genre Cymbidium ont de bonnes activit\u00e9s neuroprotectrices, anti-inflammatoires, antitumorales et autres. Chloranthus fortunei (A. Gray) Solms Laub, \u00e9galement connu sous le nom de Four Block Tile, est une plante du genre Chloranthus qui a pour effet de dissiper le vent et l'humidit\u00e9, de favoriser la circulation sanguine et d'\u00e9liminer la stase sanguine.<\/p>\n<p>\u00c0 l'heure actuelle, la base de la substance pharmacologique de l'orchid\u00e9e \u00e0 \u00e9pi d'or n'est pas suffisamment claire, ce qui limite s\u00e9rieusement le d\u00e9veloppement et l'utilisation des ressources en plantes m\u00e9dicinales caract\u00e9ristiques du Jiangxi. Afin de mieux clarifier la base chimique et d'am\u00e9liorer le contenu de la recherche sur son activit\u00e9 biologique, cette exp\u00e9rience a utilis\u00e9 diverses m\u00e9thodes de s\u00e9paration chromatographique et des m\u00e9thodes spectroscopiques pour \u00e9tudier la composition chimique de l'extrait d'\u00e9thanol 95% de Lonicera japonica. L'effet protecteur neuronal du compos\u00e9 monom\u00e8re a \u00e9t\u00e9 \u00e9valu\u00e9 \u00e0 l'aide d'un mod\u00e8le de cellules PC12 endommag\u00e9es par H2O2, dans l'espoir de fournir une r\u00e9f\u00e9rence pour le d\u00e9veloppement de m\u00e9dicaments \u00e0 base de Lonicera japonica.<\/p>\n<p>Dans cette \u00e9tude, 14 compos\u00e9s ont \u00e9t\u00e9 isol\u00e9s et identifi\u00e9s \u00e0 partir de la fraction d'\u00e9thanol 95% de la plante enti\u00e8re de Cymbidium sibiricum, dont 7 sesquiterp\u00e8nes (1-6, 8), 1 diterp\u00e8ne (7), 1 monoterp\u00e8ne (9), 4 flavono\u00efdes (10-13) et 1 acide ph\u00e9nolique (14). Parall\u00e8lement, les effets de certains compos\u00e9s sur la croissance des cellules PC12 endommag\u00e9es par H2O2 ont \u00e9t\u00e9 \u00e9tudi\u00e9s, et les sesquiterp\u00e8nes 1-6 ont montr\u00e9 des effets neuroprotecteurs mod\u00e9r\u00e9s. Sur la base d'\u00e9tudes ant\u00e9rieures sur les principes actifs de plantes appartenant au m\u00eame genre, on suppose que les sesquiterp\u00e8nes peuvent \u00eatre des principes actifs neuroprotecteurs dans l'orchid\u00e9e \u00e0 \u00e9pi de soie du ma\u00efs dor\u00e9. \u00c0 l'heure actuelle, les compos\u00e9s isol\u00e9s des plantes du genre Cymbidium comprennent principalement des sesquiterp\u00e8nes, des dim\u00e8res de sesquiterp\u00e8nes, des diterp\u00e8nes, etc., en particulier les sesquiterp\u00e8nes de type wuyao et leurs dim\u00e8res, qui sont des composants caract\u00e9ristiques de ce genre de plantes. Cependant, on trouve encore relativement peu de compos\u00e9s de ce type dans le Cymbidium \u00e0 \u00e9pi de soie.<\/p>\n<p>La maladie d'Alzheimer (MA) est l'une des principales maladies neurologiques qui entra\u00eenent la mort des personnes \u00e2g\u00e9es dans le monde entier. Dans la pratique clinique, les patients atteints de la maladie d'Alzheimer connaissent souvent un d\u00e9clin progressif des fonctions c\u00e9r\u00e9brales accompagn\u00e9 d'une stase sanguine. C'est pourquoi le recours \u00e0 la m\u00e9decine traditionnelle chinoise pour favoriser la circulation sanguine et \u00e9liminer la stase sanguine donne souvent des r\u00e9sultats. Le d\u00e9veloppement de m\u00e9dicaments innovants contre la maladie d'Alzheimer \u00e0 partir de la m\u00e9decine traditionnelle chinoise pour favoriser la circulation sanguine et \u00e9liminer la stase sanguine offre de vastes perspectives. En tant que mati\u00e8re premi\u00e8re pour diverses pr\u00e9parations de m\u00e9decine traditionnelle chinoise dans la province de Jiangxi, les herbes m\u00e9dicinales du genre Jin Su Lan ont pour effet de dissiper le vent et l'humidit\u00e9, de favoriser la circulation sanguine et d'\u00e9liminer la stase sanguine. Les sesquiterp\u00e8nes isol\u00e9s de cette plante pr\u00e9sentent une bonne activit\u00e9 neuroprotectrice. \u00c0 l'avenir, nous explorerons plus avant les effets neuroprotecteurs des sesquiterp\u00e8nes du genre Cymbidium et nous utiliserons les sesquiterp\u00e8nes actuellement isol\u00e9s pour une isolation cibl\u00e9e afin d'obtenir des compos\u00e9s structurellement nouveaux. Les effets protecteurs des compos\u00e9s sur les cellules PC12 ont ensuite \u00e9t\u00e9 examin\u00e9s \u00e0 l'aide d'une analyse de la relation structure-activit\u00e9 et de l'ancrage mol\u00e9culaire. En d\u00e9tectant la teneur en ROS et les niveaux d'expression de prot\u00e9ines telles que p-AMPK, Sirt 1, p-Sirt 1 et Sirt 3, le m\u00e9canisme d'action des plantes du genre Cymbidium dans le traitement de la MA a \u00e9t\u00e9 explor\u00e9 du point de vue de l'att\u00e9nuation des dommages caus\u00e9s par le stress oxydatif, et la base des substances actives neuroprotectrices de ce genre a \u00e9t\u00e9 \u00e9lucid\u00e9e.<\/p>","protected":false},"excerpt":{"rendered":"<p>Study on Chemical Components and Neuroprotective Activity of Silk Ear Golden Corn Orchid There are 13 species and 5 varieties of Chloranthus Swartz plants in the Chloranthus family, mainly distributed in provinces south of the Yangtze River. The plants of the genus Jin Su Lan are widely used Chinese herbal medicines in Jiangxi Province, with [&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 Chemical Components and Neuroprotective Activity of Silk Ear Golden Corn Orchid - 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\/silk-ear-golden-corn-orchid\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Study on Chemical Components and Neuroprotective Activity of Silk Ear Golden Corn Orchid - China Chemical Manufacturer\" \/>\n<meta property=\"og:description\" content=\"Study on Chemical Components and Neuroprotective Activity of Silk Ear Golden Corn Orchid There are 13 species and 5 varieties of Chloranthus Swartz plants in the Chloranthus family, mainly distributed in provinces south of the Yangtze River. 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