{"id":3640,"date":"2024-08-02T15:46:58","date_gmt":"2024-08-02T15:46:58","guid":{"rendered":"https:\/\/longchangextracts.com\/?p=3640"},"modified":"2024-08-02T15:46:58","modified_gmt":"2024-08-02T15:46:58","slug":"a-new-gibberellin-type-sesquiterpene-in-wild-chrysanthemums","status":"publish","type":"post","link":"https:\/\/longchangextracts.com\/fr\/a-new-gibberellin-type-sesquiterpene-in-wild-chrysanthemums\/","title":{"rendered":"Un nouveau sesquiterp\u00e8ne de type gibb\u00e9relline dans les chrysanth\u00e8mes sauvages"},"content":{"rendered":"

Un nouveau sesquiterp\u00e8ne de type gibb\u00e9relline dans les chrysanth\u00e8mes sauvages
\nChrysanthemum indicum L. est une plante herbac\u00e9e vivace des genres Asteraceae et Chrysanthemum, \u00e9galement connue sous le nom d'herbe \u00e0 paludisme, de graine de Coix et de jaune de bord de route. Distribu\u00e9e dans le nord-est, le nord, le centre, le sud et le sud-ouest de la Chine, ainsi qu'en Inde, au Japon, en Cor\u00e9e du Nord et en Russie. La plante enti\u00e8re de chrysanth\u00e8me sauvage est utilis\u00e9e comme m\u00e9dicament, avec un go\u00fbt amer, piquant et frais. Elle a pour effet de dissiper la chaleur et de d\u00e9toxifier, de disperser le vent et la chaleur, ainsi que de disperser la stase sanguine, d'am\u00e9liorer la vision et d'abaisser la tension art\u00e9rielle. En outre, la recherche pharmacologique moderne montre que le chrysanth\u00e8me sauvage peut \u00eatre utilis\u00e9 pour pr\u00e9venir et traiter la m\u00e9ningite c\u00e9r\u00e9bro-spinale \u00e9pid\u00e9mique, pr\u00e9venir la grippe et traiter l'hypertension, l'h\u00e9patite, la dysenterie, l'escarboucle et la furoncle. L'infusion de chrysanth\u00e8me sauvage est \u00e9galement tr\u00e8s efficace pour tuer les larves et les asticots. Le chrysanth\u00e8me sauvage, en tant que m\u00e9dicament traditionnel chinois typique, a une longue histoire d'utilisation m\u00e9dicinale, qui remonte aux dynasties Qin et Han. Il est connu sous le nom de \"Jiehua\" dans le \"Shennong Bencao Jing\". Dans l'Antiquit\u00e9, il \u00e9tait largement utilis\u00e9 pour traiter les maux de t\u00eate, les vertiges, les gonflements, les douleurs oculaires, les contusions, les entorses, les morsures de serpent, les piq\u00fbres de mille-pattes, la rhinite, la dipht\u00e9rie, le chol\u00e9ra, le paludisme, etc. La recherche moderne a montr\u00e9 que les chrysanth\u00e8mes sauvages contiennent des composants chimiques tels que des flavono\u00efdes, des polysaccharides, des terp\u00e8nes et des huiles volatiles, qui ont des effets antibact\u00e9riens, anti-inflammatoires, h\u00e9patoprotecteurs, antioxydants et r\u00e9gulateurs du syst\u00e8me immunitaire. Ils sont couramment utilis\u00e9s pour traiter diverses inflammations, l'hypertension et les maladies respiratoires. Le chrysanth\u00e8me sauvage est couramment utilis\u00e9 en pratique clinique contre les rhumes, les infections respiratoires et a certains effets th\u00e9rapeutiques sur les maladies immunitaires telles que l'arthrite rhumato\u00efde.<\/p>\n

L'efficacit\u00e9 traditionnelle du chrysanth\u00e8me sauvage et l'effet th\u00e9rapeutique pr\u00e9cis des produits modernes commercialis\u00e9s indiquent que le chrysanth\u00e8me sauvage a un bon effet sur les maladies li\u00e9es \u00e0 l'inflammation. Et dans les rapports bibliographiques sur le chrysanth\u00e8me sauvage, il a \u00e9t\u00e9 constat\u00e9 que les extraits de chrysanth\u00e8me sauvage ont une bonne activit\u00e9 anti-inflammatoire. Par cons\u00e9quent, afin d'\u00e9tudier plus avant la composition chimique et l'activit\u00e9 pharmacologique anti-inflammatoire du chrysanth\u00e8me sauvage, cet article a extrait et isol\u00e9 les composants chimiques de la partie dichlorom\u00e9thane du chrysanth\u00e8me sauvage, jetant ainsi les bases d'une meilleure compr\u00e9hension de la composition chimique de ce rem\u00e8de traditionnel chinois et de la d\u00e9couverte de compos\u00e9s ayant une bonne activit\u00e9 anti-inflammatoire.<\/p>\n

\"\"\"\"\"\"\"\"\"\"\"\"Au cours de la recherche, les constituants chimiques des chrysanth\u00e8mes sauvages collect\u00e9s ont \u00e9t\u00e9 \u00e9tudi\u00e9s par extraction \u00e0 froid avec du dichlorom\u00e9thane, et par des m\u00e9thodes de s\u00e9paration et de purification telles que la chromatographie sur colonne MCI, la chromatographie sur colonne ODS, la chromatographie sur colonne de gel Sepha dex LH-20 et la chromatographie liquide pr\u00e9parative \u00e0 haute performance. Au total, six gemmaranes sesquiterp\u00e8nes ont \u00e9t\u00e9 isol\u00e9s, dont un nouveau compos\u00e9. Leurs structures ont \u00e9t\u00e9 identifi\u00e9es par des techniques d'analyse telles que la spectroscopie ultraviolette et infrarouge (UV et IR), la spectrom\u00e9trie de masse (ESI-MS et HR-ESI-MS), la spectroscopie de r\u00e9sonance magn\u00e9tique nucl\u00e9aire (RMN) et le dichro\u00efsme circulaire \u00e9lectronique (ECD). En outre, les compos\u00e9s 1 \u00e0 6 ont \u00e9t\u00e9 examin\u00e9s pour leur activit\u00e9 anti-inflammatoire dans le mod\u00e8le de cellules inflammatoires de macrophages de souris RAW 264.7 induites par le lipopolysaccharide (LPS), et tous ont montr\u00e9 des effets anti-inflammatoires. Parmi eux, le compos\u00e9 2 a eu le meilleur effet anti-inflammatoire. Cette \u00e9tude a r\u00e9v\u00e9l\u00e9 la composition chimique et l'activit\u00e9 anti-inflammatoire du chrysanth\u00e8me sauvage, une plante du genre Chrysanthemum. Toutefois, son m\u00e9canisme pharmacologique sp\u00e9cifique doit encore \u00eatre \u00e9tudi\u00e9 de mani\u00e8re plus approfondie par le biais d'exp\u00e9riences syst\u00e9matiques in vitro et in vivo. Les r\u00e9sultats de cette \u00e9tude peuvent fournir une certaine base exp\u00e9rimentale pour le d\u00e9veloppement complet du chrysanth\u00e8me sauvage \u00e0 l'avenir et les id\u00e9es et directions d'application clinique des mat\u00e9riaux m\u00e9dicinaux du chrysanth\u00e8me sauvage.<\/p>\n

 <\/p>","protected":false},"excerpt":{"rendered":"

A new gibberellin type sesquiterpene in wild chrysanthemums Chrysanthemum indicum L. is a perennial herbaceous plant in the Asteraceae and Chrysanthemum genera, also known as Malaria Grass, Coix Seed, and Roadside Yellow. Distributed in Northeast, North, Central, South, and Southwest China, as well as in India, Japan, North Korea, and Russia. Wild chrysanthemum whole plant […]<\/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":"\nA new gibberellin type sesquiterpene in wild chrysanthemums - 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\/a-new-gibberellin-type-sesquiterpene-in-wild-chrysanthemums\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"A new gibberellin type sesquiterpene in wild chrysanthemums - China Chemical Manufacturer\" \/>\n<meta property=\"og:description\" content=\"A new gibberellin type sesquiterpene in wild chrysanthemums Chrysanthemum indicum L. is a perennial herbaceous plant in the Asteraceae and Chrysanthemum genera, also known as Malaria Grass, Coix Seed, and Roadside Yellow. Distributed in Northeast, North, Central, South, and Southwest China, as well as in India, Japan, North Korea, and Russia. 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