首页> 外文期刊>International Journal of Biological Macromolecules: Structure, Function and Interactions >Two novel polysaccharides from Solanum nigrum L. exert potential prebiotic effects in an in vitro fermentation model
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Two novel polysaccharides from Solanum nigrum L. exert potential prebiotic effects in an in vitro fermentation model

机译:来自Solanum nigrum L.的两种新多糖L.在体外发酵模型中发挥潜在的益生元作用

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In this research, two novel polysaccharides (S1 and S2) from Solanum nigrum L were extracted and purified. Then homogeneity, molecular weights, major chemical contents and monosaccharide compositions of S1 and S2 were determined. Then, the effects of S1 and S2 on human faecal microbial community and short-chain fatty acid pro-duction were investigated using an in vitro fermentation model. Results showed that S1 and S2 have different im-pacts on human gut microbiota in vitro. S1 selectively promoted the abundance of 9 genera and the production of propionic acid, butyric acid, isobutyric acid, valeric acid and isovaleric acid; while S2 selectively promoted the abundance of 8 genera and the production of acetic acid, propionic acid, butyric acid, isobutyric acid, valeric acid, isovaleric acid and succinic acid. Also, S1 group had higher abundance of genera Butyricimonas and Megamonas and higher levels of lactic acid than S2; while S2 group had higher abundance of Megaphaera and higher levels of butyric acid, valeric acid, isobutyric acid, isovaleric acid and succinic acid comparably. We con-cluded that S1 and S2 may have potential prebiotic functions. (C) 2020 Elsevier B.V. All rights reserved.
机译:在该研究中,提取并纯化来自Solanum nigrum L的两种新型多糖(S1和S2)。然后确定均匀性,分子量,主要化学含量和S1和S2的单糖组合物。然后,使用体外发酵模型研究S1和S2对人粪微生物群落和短链脂肪酸产量的影响。结果表明,S1和S2在体外对人体肠道微生物有不同的IM-C匹配。 S1选择性地促进了9个属的丰度和丙酸,丁酸,异丁酸,戊酸和异戊酸的生产;虽然S2选择性地促进了8个属的丰度和乙酸的产生,丙酸,丁酸,异丁酸,戊酸,异戊酸和琥珀酸。此外,S1组具有较高丰富的属丁霉素和Megamonas,比S2更高的乳酸水平;虽然S2组具有较高丰富的巨大且戊酸,戊酸,异丁酸,异戊酸和琥珀酸相当较高。我们被认为是S1和S2可能具有潜在的益生菌功能。 (c)2020 Elsevier B.v.保留所有权利。

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