The physicochemical, antioxidant, hypoglycemic and prebiotic properties of gamma-irradiated polysaccharides extracted from Lentinula edodes

文献类型： 外文期刊

第一作者： Yin, Chaomin

作者： Yin, Chaomin;Li, Chen;Ma, Kun;Fan, Xiuzhi;Yao, Fen;Shi, Defang;Wu, Wenjing;Qiu, Jianhui;Gao, Hong;Li, Chen;Hu, Guoyuan;Gao, Hong

作者机构：

关键词： gamma-Irradiation; Polysaccharides; Antioxidant; Hypoglycemic activity; Prebiotic proliferation

期刊名称：FOOD SCIENCE AND BIOTECHNOLOGY （ 影响因子：2.9； 五年影响因子：3.2 ）

ISSN： 1226-7708

年卷期： 2023 年

页码：

收录情况： SCI

摘要： In this study, the influence of gamma-irradiation with different dose (0, 4, 8, and 16 kGy) on chemical composition, physicochemical features and bioactivities of polysaccharides extracted from Lentinula edodes (LEP) were investigated. The carbohydrate content (from 59.47 to 70.96%), the solubility, the .OH and DPPH scavenging ability of LEP increased with the increased gamma-irradiation dose, while the protein content, the weight-average and number-average molecular weight of LEP were significantly decreased with the increased gamma-irradiation dose. Moreover, gamma-irradiation treatment caused LEP color changes and surface topography destroyed. gamma-Irradiated LEP showed higher hypoglycemic activities in vitro than that of non-irradiated LEP. Moreover, gamma-irradiated LEP had better proliferation promoting effects on Lactobacillus rhamnosus and L. plantarum. These results showed that gamma-irradiation treatment changes the physicochemical features of LEP, thus affects its antioxidant, hypoglycemic and prebiotic properties, which suggests that gamma-irradiated LEP has potential application in the pharmaceutical industries and functional foods.

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