{"id":7504,"date":"2024-08-06T20:14:42","date_gmt":"2024-08-06T20:14:42","guid":{"rendered":"https:\/\/longchangextracts.com\/?p=7504"},"modified":"2024-08-06T20:14:42","modified_gmt":"2024-08-06T20:14:42","slug":"selenium-rich-ganoderma-lucidum-mycelium","status":"publish","type":"post","link":"https:\/\/longchangextracts.com\/fr\/selenium-rich-ganoderma-lucidum-mycelium\/","title":{"rendered":"Extraction de polysaccharides et de prot\u00e9ines du myc\u00e9lium de Ganoderma lucidum riche en s\u00e9l\u00e9nium et leurs activit\u00e9s antioxydantes et antitumorales in vitro"},"content":{"rendered":"<p>Extraction de polysaccharides et de prot\u00e9ines du myc\u00e9lium de Ganoderma lucidum riche en s\u00e9l\u00e9nium et leurs activit\u00e9s antioxydantes et antitumorales in vitro<br \/>\nCes derni\u00e8res ann\u00e9es, 90% des patients atteints de tumeurs malignes sont d\u00e9c\u00e9d\u00e9s des suites de m\u00e9tastases de cellules canc\u00e9reuses. Il existe une relation de cause \u00e0 effet entre l'apparition et le d\u00e9veloppement de tumeurs et la faible fonction immunitaire de l'organisme. Selon les rapports, le s\u00e9l\u00e9nium peut renforcer le syst\u00e8me immunitaire de l'organisme et r\u00e9sister \u00e0 l'apparition de maladies tumorales, mais l'organisme humain ne peut compter que sur l'apport externe de s\u00e9l\u00e9nium organique, qui est principalement compos\u00e9 de polysaccharides de s\u00e9l\u00e9nium et de prot\u00e9ines de s\u00e9l\u00e9nium. Selon des rapports ant\u00e9rieurs, les polysaccharides de s\u00e9l\u00e9nium du champignon noir et du th\u00e9 ont une forte activit\u00e9 antioxydante. Les polysaccharides de s\u00e9l\u00e9nium peuvent \u00e9galement inhiber l'activit\u00e9 des cellules tumorales : Shang et al ont d\u00e9couvert que le polysaccharide de s\u00e9l\u00e9nium de la citrouille a un certain effet inhibiteur sur la croissance des cellules canc\u00e9reuses du sein. Outre leur capacit\u00e9 \u00e0 pi\u00e9ger les radicaux libres, les s\u00e9l\u00e9noprot\u00e9ines jouent \u00e9galement un r\u00f4le important dans l'inhibition de la croissance tumorale : la s\u00e9l\u00e9noprot\u00e9ine de Brassica napus poss\u00e8de une forte capacit\u00e9 \u00e0 pi\u00e9ger les radicaux libres et un pouvoir r\u00e9ducteur total ; les peptides de prot\u00e9ines de soja riches en s\u00e9l\u00e9nium peuvent inhiber de mani\u00e8re significative la croissance tumorale chez les souris.<\/p>\n<p>Ganoderma lucidum appartient au phylum Basidiomycota, \u00e0 la famille Actinobacteriaceae et au genre Ganoderma (Leyss. ex Fr.) Karst Les champignons m\u00e9dicinaux sont des champignons \u00e0 double usage dans l'alimentation et la m\u00e9decine traditionnelles en Chine, comprenant divers ingr\u00e9dients actifs tels que des triterp\u00e8nes, des polysaccharides, des prot\u00e9ines, etc. Ils ont un large \u00e9ventail d'activit\u00e9s pharmacologiques telles que la lutte contre les tumeurs, les antioxydants et la r\u00e9gulation immunitaire. Le lingzhi a une forte capacit\u00e9 \u00e0 enrichir le s\u00e9l\u00e9nium. Le Ganoderma lucidum riche en s\u00e9l\u00e9nium est obtenu en cultivant le Ganoderma lucidum comme support pour la conversion du s\u00e9l\u00e9nium, ce qui combine l'activit\u00e9 biologique du Ganoderma lucidum et du s\u00e9l\u00e9nium. \u00c0 l'heure actuelle, les recherches des universitaires se concentrent principalement sur la culture et la culture de souches de Ganoderma lucidum riche en s\u00e9l\u00e9nium, et la recherche sur l'activit\u00e9 biologique connexe est principalement men\u00e9e par le biais d'exp\u00e9riences sur les animaux, avec relativement peu d'exp\u00e9riences antitumorales in vitro. Cette \u00e9tude a utilis\u00e9 des m\u00e9thodes d'extraction alcaline assist\u00e9e par ultrasons, d'extraction \u00e0 l'eau et de pr\u00e9cipitation \u00e0 l'alcool pour extraire les polysaccharides du myc\u00e9lium de Ganoderma lucidum riche en s\u00e9l\u00e9nium, et a extrait les prot\u00e9ines solubles du myc\u00e9lium en utilisant une solution tampon de phosphate comme solvant. Nous avons \u00e9tudi\u00e9 la capacit\u00e9 de pi\u00e9geage des polysaccharides et des prot\u00e9ines du myc\u00e9lium de Ganoderma lucidum riche en s\u00e9l\u00e9nium contre les radicaux libres DPPH et ABTS, la capacit\u00e9 de r\u00e9duction du fer et l'effet inhibiteur sur la prolif\u00e9ration des cellules canc\u00e9reuses du foie HCCLM, des cellules canc\u00e9reuses du poumon A549 et des cellules canc\u00e9reuses de la cavit\u00e9 buccale HSC-3. Le groupe s\u00e9l\u00e9nium a \u00e9t\u00e9 utilis\u00e9 comme contr\u00f4le pour explorer les effets du s\u00e9l\u00e9nium sur les ingr\u00e9dients actifs et les activit\u00e9s antioxydantes et antitumorales de Ganoderma lucidum. Fournir une base th\u00e9orique pour le d\u00e9veloppement et l'application ult\u00e9rieurs des ressources en s\u00e9l\u00e9nium.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-7505\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/1-308.png\" alt=\"\" width=\"368\" height=\"281\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-7506\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/2-261.png\" alt=\"\" width=\"366\" height=\"256\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-7507\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/3-25.jpg\" alt=\"\" width=\"659\" height=\"246\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-7508\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/4-20.jpg\" alt=\"\" width=\"664\" height=\"200\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-7509\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/5-19.jpg\" alt=\"\" width=\"654\" height=\"199\" srcset=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/5-19.jpg 654w, https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/5-19-650x199.jpg 650w\" sizes=\"(max-width: 654px) 100vw, 654px\" \/><\/p>\n<p>En utilisant les graines m\u00e8res de Ganoderma lucidum comme mati\u00e8res premi\u00e8res, du s\u00e9l\u00e9nium exog\u00e8ne appropri\u00e9 a \u00e9t\u00e9 ajout\u00e9 pour la fermentation liquide afin d'obtenir un myc\u00e9lium de Ganoderma lucidum riche en s\u00e9l\u00e9nium, et ses activit\u00e9s polysaccharidiques et prot\u00e9iques ont \u00e9t\u00e9 \u00e9tudi\u00e9es. Au cours de l'exp\u00e9rience, le Ganoderma lucidum sans s\u00e9l\u00e9nium a \u00e9t\u00e9 utilis\u00e9 comme contr\u00f4le correspondant. Les r\u00e9sultats ont montr\u00e9 que la teneur en polysaccharides extraits par extraction alcaline assist\u00e9e par ultrasons \u00e9tait plus \u00e9lev\u00e9e que celle extraite par extraction \u00e0 l'eau ; la teneur en polysaccharides s\u00e9l\u00e9ni\u00e9s est plus \u00e9lev\u00e9e que celle des polysaccharides, et la teneur en prot\u00e9ines s\u00e9l\u00e9ni\u00e9es est plus \u00e9lev\u00e9e que celle des prot\u00e9ines ; la teneur en s\u00e9l\u00e9nium dans les s\u00e9l\u00e9noprot\u00e9ines est plus \u00e9lev\u00e9e que celle dans les polysaccharides s\u00e9l\u00e9ni\u00e9s. L'ajout de s\u00e9l\u00e9nium est b\u00e9n\u00e9fique pour la production de s\u00e9l\u00e9noprot\u00e9ines, et tant les s\u00e9l\u00e9noprot\u00e9ines que les polysaccharides de s\u00e9l\u00e9nium ont certains effets antioxydants. Lors d'exp\u00e9riences antitumorales in vitro, les polysaccharides de s\u00e9l\u00e9nium et les s\u00e9l\u00e9noprot\u00e9ines ont certains effets antitumoraux, et les polysaccharides de s\u00e9l\u00e9nium ont un effet antitumoral significatif par rapport aux polysaccharides, tandis que les s\u00e9l\u00e9noprot\u00e9ines ont des effets antitumoraux plus faibles.<\/p>\n<p>Cette \u00e9tude explore les activit\u00e9s antioxydantes et antitumorales des polysaccharides et des s\u00e9l\u00e9noprot\u00e9ines de Ganoderma lucidum, qui ont une certaine valeur de r\u00e9f\u00e9rence dans la recherche sur l'activit\u00e9 des extraits de Ganoderma lucidum et aident \u00e0 promouvoir le d\u00e9veloppement et l'utilisation de Ganoderma lucidum riche en s\u00e9l\u00e9nium et des ressources en s\u00e9l\u00e9nium.<\/p>","protected":false},"excerpt":{"rendered":"<p>Extraction of polysaccharides and proteins from selenium rich Ganoderma lucidum mycelium and their in vitro antioxidant and anti-tumor activities In recent years, 90% of patients with malignant tumors have died from cancer cell metastasis. There is a causal relationship between the occurrence and development of tumors and the low immune function of the body. According [&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>Extraction of polysaccharides and proteins from selenium rich Ganoderma lucidum mycelium and their in vitro antioxidant and anti-tumor activities - 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\/selenium-rich-ganoderma-lucidum-mycelium\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Extraction of polysaccharides and proteins from selenium rich Ganoderma lucidum mycelium and their in vitro antioxidant and anti-tumor activities - China Chemical Manufacturer\" \/>\n<meta property=\"og:description\" content=\"Extraction of polysaccharides and proteins from selenium rich Ganoderma lucidum mycelium and their in vitro antioxidant and anti-tumor activities In recent years, 90% of patients with malignant tumors have died from cancer cell metastasis. 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