{"id":8715,"date":"2024-08-14T19:22:24","date_gmt":"2024-08-14T19:22:24","guid":{"rendered":"https:\/\/longchangextracts.com\/?p=8715"},"modified":"2024-08-14T19:22:24","modified_gmt":"2024-08-14T19:22:24","slug":"bacterial-strains-for-the-preparation-of-forsythia-suspensa-from-forsythia-suspensa-glycosides-in-human-gut-microbiota","status":"publish","type":"post","link":"https:\/\/longchangextracts.com\/fr\/souches-bacteriennes-pour-la-preparation-de-forsythia-suspensa-a-partir-de-glycosides-de-forsythia-suspensa-dans-le-microbiote-intestinal-humain\/","title":{"rendered":"Criblage et immobilisation de souches bact\u00e9riennes pour la pr\u00e9paration de Forsythia suspensa \u00e0 partir de glycosides de Forsythia suspensa dans le microbiote intestinal humain"},"content":{"rendered":"<p>Criblage et immobilisation de souches bact\u00e9riennes pour la pr\u00e9paration de Forsythia suspensa \u00e0 partir de glycosides de Forsythia suspensa dans le microbiote intestinal humain<br \/>\nLa forsythia suspensa se trouve principalement dans les m\u00e9dicaments traditionnels chinois tels que la forsythia suspensa, l'osmanthus fragrans, le chrysanth\u00e8me morifolium et les graines de grenade. Ces derni\u00e8res ann\u00e9es, on a d\u00e9couvert que la forsythialipine avait diverses activit\u00e9s pharmacologiques, telles que l'activit\u00e9 anti-inflammatoire, l'inhibition de la prolif\u00e9ration des lign\u00e9es cellulaires du cancer du poumon humain, l'inhibition de la prolif\u00e9ration et de la migration des cellules du cancer du pancr\u00e9as et la r\u00e9gulation de la pression art\u00e9rielle systolique et diastolique des rats spontan\u00e9ment hypertendus. Le Forsythia suspensa est un glycoside d\u00e9riv\u00e9 de la d\u00e9glycosylation du Forsythia suspensa (voir figure 1). Quan, Mao et al. ont constat\u00e9 que le Forsythia suspensa avait de meilleurs effets anti-inflammatoires et anticanc\u00e9reux que le Forsythia suspensa. En outre, Ye et al. ont constat\u00e9 que la biodisponibilit\u00e9 de Forsythia suspensa \u00e9tait plus \u00e9lev\u00e9e que celle de Forsythia suspensa. \u00c0 l'heure actuelle, il existe deux m\u00e9thodes principales pour pr\u00e9parer le Forsythia suspensa : l'extraction directe \u00e0 partir des plantes et la conversion par les glycosides de Forsythia suspensa. Wang et al. ont pr\u00e9par\u00e9 un extrait de Forsythia suspensa en faisant fermenter des feuilles de Forsythia suspensa. Mei et al. ont cribl\u00e9 une souche de moisissure du sol qui peut transformer la forsythine pour produire de la forsythine, et ont \u00e9galement pr\u00e9par\u00e9 de la forsythine en utilisant la cellulase ou l'hydrolyse acide de la forsythine. Toutefois, les m\u00e9thodes susmentionn\u00e9es pr\u00e9sentent toutes certains inconv\u00e9nients, tels que l'ajout d'enzymes provoquant facilement une \u00e9mulsification, ce qui rend difficile la s\u00e9paration et la pr\u00e9paration des produits ; l'acide et la moisissure peuvent provoquer l'instabilit\u00e9 de Forsythia suspensa et produire des sous-produits. Compte tenu des raisons susmentionn\u00e9es, il n'existe actuellement aucune m\u00e9thode de conversion simple, r\u00e9alisable, compl\u00e8te et fiable, qui doit encore \u00eatre am\u00e9lior\u00e9e.<\/p>\n<p>Des rapports indiquent que la co-incubation du glycoside de Forsythia suspensa avec des bact\u00e9ries intestinales humaines peut m\u00e9taboliser et produire du Forsythia suspensa. En outre, le Forsythia suspensa peut \u00eatre m\u00e9tabolis\u00e9 en petites mol\u00e9cules. Par cons\u00e9quent, cette \u00e9tude vise \u00e0 cribler les bact\u00e9ries du microbiote intestinal humain qui peuvent convertir efficacement les glycosides de Forsythia suspensa en lipides de Forsythia suspensa, afin de compenser les lacunes des m\u00e9thodes existantes et de jeter les bases du d\u00e9veloppement et de l'utilisation futurs des lipides de Forsythia suspensa.<\/p>\n<p>Tout d'abord, dans l'\u00e9tude de s\u00e9lection, en raison de l'effet antibact\u00e9rien du glycoside de Forsythia suspensa, nous avons ajout\u00e9 une certaine quantit\u00e9 de glycoside de Forsythia suspensa \u00e0 la fois au milieu de culture liquide utilis\u00e9 pour la s\u00e9lection initiale et au milieu de culture sur plaque utilis\u00e9 pour la s\u00e9lection secondaire. Cela peut inhiber la croissance des souches qui ne sont pas sensibles au glycoside de Forsythia suspensa, r\u00e9duisant ainsi le champ du criblage dans une certaine mesure. Deuxi\u00e8mement, des \u00e9tudes ant\u00e9rieures ont montr\u00e9 que les glycosides de Forsythia suspensa, lorsqu'ils sont convertis en lipides de Forsythia suspensa par les bact\u00e9ries intestinales, continuent d'\u00eatre m\u00e9tabolis\u00e9s et produisent des sous-produits. La souche unique s\u00e9lectionn\u00e9e dans cette \u00e9tude peut maintenir la stabilit\u00e9 du produit dans les 20 heures suivant la conversion du glycoside de Forsythia suspensa en glycoside de Forsythia suspensa, sans m\u00e9tabolisme suppl\u00e9mentaire ni production de sous-produits. Cette m\u00e9thode permet de surmonter l'inconv\u00e9nient de la poursuite du m\u00e9tabolisme de Forsythia suspensa dans les m\u00e9thodes de transformation microbienne existantes, et n'introduit pas de groupes fonctionnels exc\u00e9dentaires. Escherichia coli est une bact\u00e9rie ana\u00e9robie facultative \u00e0 Gram n\u00e9gatif qui a \u00e9t\u00e9 g\u00e9n\u00e9tiquement modifi\u00e9e en raison de son excellente activit\u00e9 de croissance et de sa capacit\u00e9 \u00e0 utiliser efficacement des sources de carbone peu co\u00fbteuses. Les caract\u00e9ristiques ana\u00e9robies facultatives sont d'une grande importance pour l'ing\u00e9nierie de la fermentation, et l'Escherichia coli s\u00e9lectionn\u00e9 dans cette \u00e9tude poss\u00e8de ces deux caract\u00e9ristiques. Enfin, nous avons \u00e9galement utilis\u00e9 la m\u00e9thode d'immobilisation des micro-organismes pour immobiliser la souche SXUXJ-1, et nous avons optimis\u00e9 le processus de production pour produire une boule bact\u00e9rienne tr\u00e8s pratique. Dans des conditions de conversion optimales, le glycoside de Forsythia suspensa peut \u00eatre compl\u00e8tement transform\u00e9 en 25 heures environ. La m\u00e9thode de transformation par boule bact\u00e9rienne immobilis\u00e9e est une m\u00e9thode simple, efficace et respectueuse de l'environnement, et le produit transform\u00e9 Forsythia suspensa est facile \u00e0 extraire et \u00e0 s\u00e9parer, ce qui lui conf\u00e8re de tr\u00e8s bonnes perspectives d'application.<\/p>","protected":false},"excerpt":{"rendered":"<p>Screening and immobilization of bacterial strains for the preparation of Forsythia suspensa from Forsythia suspensa glycosides in human gut microbiota Forsythia suspensa is mainly found in traditional Chinese medicines such as Forsythia suspensa, Osmanthus fragrans, Chrysanthemum morifolium, and pomegranate seeds. In recent years, it has been found that forsythialipin has a variety of pharmacological activities, [&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>Screening and immobilization of bacterial strains for the preparation of Forsythia suspensa from Forsythia suspensa glycosides in human gut microbiota - 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\/souches-bacteriennes-pour-la-preparation-de-forsythia-suspensa-a-partir-de-glycosides-de-forsythia-suspensa-dans-le-microbiote-intestinal-humain\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Screening and immobilization of bacterial strains for the preparation of Forsythia suspensa from Forsythia suspensa glycosides in human gut microbiota - China Chemical Manufacturer\" \/>\n<meta property=\"og:description\" content=\"Screening and immobilization of bacterial strains for the preparation of Forsythia suspensa from Forsythia suspensa glycosides in human gut microbiota Forsythia suspensa is mainly found in traditional Chinese medicines such as Forsythia suspensa, Osmanthus fragrans, Chrysanthemum morifolium, and pomegranate seeds. 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