Dendrobium officinale leaf polysaccharides ameliorated hyperglycemia and promoted gut bacterial associated SCFAs to alleviate type 2 diabetes in adult mice
文献类型： 外文期刊
作者： Fang, Jingyu 1 ; Lin, Yang 1 ; Xie, Hualing 1 ; Farag, Mohamed A. 2 ; Feng, Simin 1 ; Li, Jinjun 4 ; Shao, Ping 1 ;
作者机构： 1.Zhejiang Univ Technol, Dept Food Sci & Technol, Hangzhou 310014, Zhejiang, Peoples R China
2.Cairo Univ, Coll Pharm, Pharmacognosy Dept, Kasr El Aini St, Cairo 11562, Egypt
3.Amer Univ Cairo, Sch Sci & Engn, Dept Chem, New Cairo 11835, Egypt
4.Zhejiang Acad Agr Sci, Inst Food Sci, Hangzhou 310021, Peoples R China
5.China Natl Light Ind, Key Lab Food Macromol Resources Proc Technol Res, Hangzhou 310021, Peoples R China
关键词： Dendrobium officinale; Intestinal microflora; Polysaccharide; Short-chain fatty acids; Type 2 Diabetes
期刊名称：FOOD CHEMISTRY-X （ 影响因子：6.443； 五年影响因子：6.443 ）
ISSN： 2590-1575
年卷期： 2022 年 13 卷
页码：
收录情况： SCI
摘要： The present study aimed to explore the possible mechanisms underlying Dendrobium officinale leaf polysaccharides of different molecular weight to alleviate glycolipid metabolic abnormalities, organ dysfunction and gut microbiota dysbiosis of T2D mice. An ultrafiltration membrane was employed to separate two fractions from Dendrobium officinale leaf polysaccharide named LDOP-A and LDOP-B. Here, we present data supporting that oral administration of LDOP-A and LDOP-B ameliorated hyperglycemia, inhibited insulin resistance, reduced lipid concentration, improved 13-cell function. LDOP-A with lower molecular weight exhibited improved effect on diabetes than LDOP-B, concurrent with increased levels of colonic short-chain fatty acids (SCFAs) i.e., butyrate, decreased ratio of Firmicutes to Bacteroidetes phyla, and increased abundance of the gut beneficial bacteria i.e., Lactobacillus, Bifidobacterium and Akkermansia. These results suggest that LDOP-A possesses a stronger effect in ameliorating T2D than LDOP-B which may be related to the distinct improved SCFAs levels produced by the change of intestinal flora microstructure.
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