{"id":8473,"date":"2024-08-14T15:16:02","date_gmt":"2024-08-14T15:16:02","guid":{"rendered":"https:\/\/longchangextracts.com\/?p=8473"},"modified":"2024-08-14T15:16:02","modified_gmt":"2024-08-14T15:16:02","slug":"lemon-endophytic-bacteria","status":"publish","type":"post","link":"https:\/\/longchangextracts.com\/fr\/bacteries-endophytes-du-citron\/","title":{"rendered":"Isolement, criblage et identification de bact\u00e9ries endophytes du citron ayant une activit\u00e9 hypocholest\u00e9rol\u00e9miante in vitro"},"content":{"rendered":"<p>Isolement, criblage et identification de bact\u00e9ries endophytes du citron ayant une activit\u00e9 hypocholest\u00e9rol\u00e9miante in vitro<br \/>\nAvec le d\u00e9veloppement des technologies et l'am\u00e9lioration du niveau de vie de la population, l'attention port\u00e9e \u00e0 l'hyperlipid\u00e9mie et \u00e0 l'hypercholest\u00e9rol\u00e9mie est de plus en plus r\u00e9pandue. Selon les statistiques, le nombre de d\u00e9c\u00e8s dus aux maladies cardiovasculaires caus\u00e9es par l'hyperlipid\u00e9mie dans le monde s'\u00e9l\u00e8ve chaque jour \u00e0 pr\u00e8s de 4 000. En Chine, le nombre de d\u00e9c\u00e8s dus aux maladies cardiovasculaires et c\u00e9r\u00e9brovasculaires caus\u00e9es par l'hyperlipid\u00e9mie, telles que l'ath\u00e9roscl\u00e9rose, les maladies coronariennes, l'hypertension et les accidents vasculaires c\u00e9r\u00e9braux, augmente \u00e0 un rythme annuel de 12%. Afin de r\u00e9duire l'apparition de nombreuses complications caus\u00e9es par l'ob\u00e9sit\u00e9, la recherche s'est concentr\u00e9e ces derni\u00e8res ann\u00e9es sur la r\u00e9duction des lipides sanguins par le biais d'une th\u00e9rapie di\u00e9t\u00e9tique afin de r\u00e9duire l'incidence des maladies. Des \u00e9tudes de la litt\u00e9rature \u00e9trang\u00e8re ont tent\u00e9 d'utiliser des bact\u00e9ries lactiques combin\u00e9es \u00e0 un r\u00e9gime alimentaire pour r\u00e9guler le m\u00e9tabolisme anormal des graisses. Parall\u00e8lement, d'autres \u00e9tudes ont conclu que l'acide lactique b\u00e9n\u00e9fique peut directement am\u00e9liorer les probl\u00e8mes de sant\u00e9 combin\u00e9s de la masse graisseuse et de l'intol\u00e9rance au glucose, am\u00e9liorant ainsi l'ob\u00e9sit\u00e9.<\/p>\n<p>Selon de nombreux r\u00e9sultats de recherche, diff\u00e9rents types de probiotiques dans les micro-organismes ont pour effet de r\u00e9duire le cholest\u00e9rol et d'am\u00e9liorer le microbiote intestinal. Par exemple, le TMC3115 peut am\u00e9liorer le microbiote intestinal, le glucose et le profil lipidique des personnes \u00e2g\u00e9es. Il a \u00e9t\u00e9 confirm\u00e9 que l'effet hypolipid\u00e9miant et l'am\u00e9lioration du microbiote intestinal sont directement ou indirectement li\u00e9s \u00e0 l'activit\u00e9 microbienne, l'activit\u00e9 hypolipid\u00e9miante \u00e9tant li\u00e9e au type de micro-organismes. Par exemple, la recherche sur le microbiote intestinal des patients atteints de st\u00e9atose h\u00e9patique non alcoolique a r\u00e9v\u00e9l\u00e9 que la th\u00e9rapie m\u00e9dicamenteuse reste la m\u00e9thode la plus importante \u00e0 l'heure actuelle. Cependant, la combinaison de probiotiques et d'autres m\u00e9dicaments peut \u00e9galement avoir un effet positif sur l'am\u00e9lioration du microbiote intestinal et la r\u00e9duction du cholest\u00e9rol. Il existe actuellement peu de rapports sur le traitement de la st\u00e9atose h\u00e9patique non alcoolique (NAFLD).<\/p>\n<p>Lemon (L.) Burm f.)\uff0c C'est un agrume appartenant \u00e0 la famille des Rutaceae de l'ordre des dicotyl\u00e9dones, \u00e9galement connu sous le nom de fruit de Yimu. Il est originaire d'Asie du Sud-Est et constitue actuellement l'une des principales zones de production en Chine, situ\u00e9e \u00e0 Yibin, dans le Sichuan. Le citron, qu'il soit consomm\u00e9 en tant que m\u00e9dicament traditionnel chinois ou en tant que fruit, a un go\u00fbt aigre et astringent. Il est plus facile \u00e0 accepter lorsqu'il est transform\u00e9 en jus ferment\u00e9. Ces derni\u00e8res ann\u00e9es, la recherche sur les enzymes vient d'\u00e9merger en Chine, et de nouvelles politiques, lois et r\u00e9glementations ont \u00e9t\u00e9 introduites en permanence. Cependant, il n'existe pratiquement aucune recherche sur la transformation directe de substances m\u00e9dicinales chinoises en boissons. Cette exp\u00e9rience vise \u00e0 utiliser la technologie microbienne pour traiter le citron \u00e0 l'aide de techniques de fermentation, cultiver et isoler les probiotiques, identifier les souches isol\u00e9es et cribler l'activit\u00e9 hypolipid\u00e9miante pour atteindre l'objectif de s\u00e9lection des probiotiques ayant une fonction hypolipid\u00e9miante. Cela peut fournir une base th\u00e9orique pour l'application de probiotiques hypocholest\u00e9rol\u00e9miants \u00e0 un stade ult\u00e9rieur.<\/p>\n<p>&nbsp;<\/p>\n<p>Cette exp\u00e9rience a utilis\u00e9 le cholest\u00e9rol comme substrat et a employ\u00e9 la chromatographie liquide \u00e0 haute performance pour cribler le taux de d\u00e9gradation du cholest\u00e9rol des bact\u00e9ries endophytes du citron, suivi d'une identification \u00e0 l'aide des s\u00e9quences g\u00e9n\u00e9tiques de l'ADNr 16S ou 26S. 17 souches de bact\u00e9ries ont \u00e9t\u00e9 s\u00e9lectionn\u00e9es et leur taux de d\u00e9gradation du cholest\u00e9rol s'est av\u00e9r\u00e9 sup\u00e9rieur \u00e0 25%. Les r\u00e9sultats de l'identification ont montr\u00e9 16 souches de levure et 1 souche d'Acetobacter, \u00e0 savoir Candida albicans, Pichia pastoris, la levure de Wickham, Pichia pastoris, et Acetobacter cloacae, respectivement.<br \/>\nEn 1963, le laboratoire Shaper a d\u00e9couvert que certaines tribus d'Afrique pr\u00e9sentaient g\u00e9n\u00e9ralement un taux de cholest\u00e9rol s\u00e9rique inf\u00e9rieur apr\u00e8s avoir consomm\u00e9 de grandes quantit\u00e9s de produits laitiers ferment\u00e9s avec des lactobacilles. Des recherches ont montr\u00e9 que les animaux ordinaires excr\u00e8tent plus de cholest\u00e9rol dans leurs excr\u00e9ments que les animaux st\u00e9riles, et que lorsque les deux animaux sont nourris en m\u00eame temps avec des aliments riches en cholest\u00e9rol, la teneur en cholest\u00e9rol dans le sang des animaux st\u00e9riles est deux fois plus \u00e9lev\u00e9e que celle des animaux ordinaires. Cela sugg\u00e8re que le microbiote intestinal peut avoir un impact sur l'absorption du cholest\u00e9rol dans l'intestin. Jusqu'\u00e0 pr\u00e9sent, un grand nombre d'exp\u00e9riences ont confirm\u00e9 que diff\u00e9rents types de bact\u00e9ries lactiques ont pour effet de r\u00e9duire le cholest\u00e9rol, parmi lesquelles Lactobacillus acidophilus est la plus abondante.<br \/>\nCette exp\u00e9rience a permis de cribler plusieurs souches de levure et d'Acetobacter qui ont pour effet de r\u00e9duire le cholest\u00e9rol, fournissant ainsi davantage de souches bact\u00e9riennes pour le d\u00e9veloppement d'aliments ferment\u00e9s hypolipid\u00e9miants ou de m\u00e9dicaments \u00e0 un stade ult\u00e9rieur.<\/p>","protected":false},"excerpt":{"rendered":"<p>Isolation, screening, and identification of lemon endophytic bacteria with cholesterol lowering activity in vitro With the development of technology and the improvement of people&#8217;s living standards, people&#8217;s attention to hyperlipidemia and high cholesterol is becoming increasingly widespread. According to statistics, the number of deaths from cardiovascular diseases caused by hyperlipidemia in the world every day [&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>Isolation, screening, and identification of lemon endophytic bacteria with cholesterol lowering activity in vitro - 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\/bacteries-endophytes-du-citron\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Isolation, screening, and identification of lemon endophytic bacteria with cholesterol lowering activity in vitro - China Chemical Manufacturer\" \/>\n<meta property=\"og:description\" content=\"Isolation, screening, and identification of lemon endophytic bacteria with cholesterol lowering activity in vitro With the development of technology and the improvement of people&#8217;s living standards, people&#8217;s attention to hyperlipidemia and high cholesterol is becoming increasingly widespread. 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