In vitro fermentation characteristics of the dietary fiber in bamboo (Phyllostachys edulis) shoots and its regulatory effects on the intestinal microbiota and metabolites

文献类型： 外文期刊

第一作者： Wu, Weijie

作者： Wu, Weijie;Li, Qi;Chen, Hangjun;Fang, Xiangjun;Niu, Ben;Liu, Ruiling;Mu, Honglei;Gao, Haiyan

作者机构：

关键词： Bamboo shoot dietary fiber; Ulcerative colitis; 16S rDNA; Metabolomics Short-chain fatty acid

期刊名称：FOOD CHEMISTRY （ 影响因子：8.8； 五年影响因子：8.6 ）

ISSN： 0308-8146

年卷期： 2023 年 404 卷

页码：

收录情况： SCI

摘要： The effects of bamboo (Phyllostachys edulis) shoot dietary fiber (BSDF-1) on ulcerative colitis (UC) are unclear. Therefore, we performed an in vitro glycolysis study of intestinal microbiota samples, based on 16S rDNA sequencing and determining the metabolites in non-targeted colonic fecal fermentation broth. After a 48 h fermentation, the pH of the fermentation broth decreased significantly (p < 0.05) with the dextran sulfate sodium group (referred to here as the Mod group). The carbohydrate utilization rate was 26.59 %, and the total shortchain fatty acid content was 16.46 +/- 0.71 mmol/L. The abundances of Alistipes and Lactobacillus increased after BDSF-1 fermentation, whereas those of Escherichia-Shigella, Enterococcus, and Proteus significantly decreased. BSDF-1 altered the levels of 17 metabolites in the Mod group after fermentation for 48 h, which reduced the cadaverine increasing induced by DSS. These results indicate that BSDF-1 can regulate the metabolism of the intestinal microbiota and the host, suggesting its use as a promising therapeutic strategy.

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