Comparative study of physicochemical properties and bioactivity of Hericium erinaceus polysaccharides at different solvent extractions
文献类型： 外文期刊
作者： Yan, Jing-Kun 1 ; Ding, Zhi-Chao 1 ; Gao, Xianli 1 ; Wang, Yao-Yao 1 ; Yang, Yan 2 ; Wu, Di 2 ; Zhang, He-Nan 2 ;
作者机构： 1.Jiangsu Univ, Sch Food & Biol Engn, Zhenjiang 212013, Peoples R China
2.Minist Agr, Key Lab Edible Fungi Resources & Utilizat South, Natl Engn Res Ctr Edible Fungi, Beijing, Peoples R China
3.Shanghai Acad Agr Sci, Inst Edible Fungi, Shanghai 201403, Peoples R China
关键词： Hericium erinaceus fruit body; Water-soluble polysaccharides; Solvent extractions; Physicochemical properties; In vitro antioxidant activity
期刊名称：CARBOHYDRATE POLYMERS （ 影响因子：9.381； 五年影响因子：8.678 ）
ISSN： 0144-8617
年卷期： 2018 年 193 卷
页码：
收录情况： SCI
摘要： In this study, hot water, 0.9% NaCl, citric acid, and 1.25 M NaOH/0.05% NaBH4 were separately used for the extraction of water-soluble H. erinaceus polysaccharides (HEPs; HEP-W, HEP-S, HEP-C, and HEP-A) from the fruit body of Hericium erinaceus. The physicochemical properties and biological activities were then investigated and compared. Results showed that the extraction solvents exhibited significant effects on the extraction yields, molecular weights, monosaccharide compositions, preliminary structural characteristics, microstructures of HEPs and on their contents, such as neutral sugar, uronic acid, protein, and beta-(1 -> 3)-glucan. In vitro antioxidant activity assays indicated that HEP-C extracted with citric acid solution showed stronger scavenging abilities on hydroxyl and DPPH radicals and antioxidant capacities than HEP-W and HEP-S. Moreover, HEP-C exhibited the strongest inhibitory effects on alpha-glycosidase and alpha-amylase activities. Therefore, HEP-C extracted with citric acid can be developed as a potential bioactive ingredient for applications in food, medicine, and cosmetics industries.
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