期刊
JOURNAL OF FUNCTIONAL FOODS
卷 104, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.jff.2023.105511
关键词
Sea buckthorn; Polysaccharides; Gut microbiota; Short-chain fatty acids
Sea buckthorn polysaccharides (SPs) obtained from sea buckthorn pomace have the potential to restore gut microbiota imbalance induced by cefixime, by increasing short-chain fatty acid concentration and the abundance of SCFA-producing bacteria in the gut.
Sea buckthorn pomace is a by-product of sea buckthorn products that is not effectively utilized. This study obtained sea buckthorn polysaccharides (SPs) from pomace, analyzed its structure, and investigated its regula-tory effect on the gut microbiota imbalance induced by cefixime. The results showed that SPs had an average molecular weight of 6.26 x 103 kDa and mainly consisted of galacturonic acid, galactose, and rhamnose. Biochemical analysis showed that SPs increased the concentration of short-chain fatty acids (SCFAs) and the abundance of Proteobacteria, Verrucomicrobia, and Akkermanis in the gut of cefixime-treated mice. Correlation analysis suggested that various microorganisms had a significant (p < 0.05) relationship with SCFAs. Conse-quently, the underlying mechanism of SPs in restoring cefixime-induced gut microbiota disorder may be due to the promotion of SCFAs and SCFA-producing bacteria in the gut and gut microbiota regulation, benefiting gut health. This study is significant for developing and utilizing sea buckthorn pomace.
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