Comparison of physicochemical characteristics and biological activities of polysaccharides from barley (Hordeum vulgare L.) grass at different growth stages
文献类型： 外文期刊
作者： Yan, Jing-Kun 1 ; Chen, Ting-Ting 2 ; Wang, Zi-Wei 2 ; Wang, Chun 2 ; Liu, Chenghong 1 ; Li, Lin 1 ;
作者机构： 1.Dongguan Univ Technol, Sch Chem Engn & Energy Technol, Key Lab Hlth Food Dev & Nutr Regulat, China Natl Light Ind, Dongguan 523808, Peoples R China
2.Jiangsu Univ, Sch Food & Biol Engn, Zhenjiang 212013, Peoples R China
3.Shanghai Acad Agr Sci, Shanghai Key Lab Agr Genet & Breeding, Biotech Res Inst, Shanghai 201106, Peoples R China
关键词： Hordeum vulgare L; Barley grass; Growth stage; Polysaccharides; Physicochemical characteristics; Biological activity
期刊名称：FOOD CHEMISTRY （ 影响因子：9.231； 五年影响因子：8.795 ）
ISSN： 0308-8146
年卷期： 2022 年 389 卷
页码：
收录情况： SCI
摘要： Barley grass polysaccharides (BGPs) are some of the major bioactive constituents of barley (Hordeum vulgare L.) grass (BG). They exhibit favorable biological activities and health benefits. In this study, seven BGPs were extracted from BG, which was harvested at three different growth stages (e.g., seedling, tillering, and stem elongation), by alkaline-extraction method. Their physicochemical properties, structural characteristics, and biological activities were investigated and compared. Results demonstrated that the extraction yields, chemical compositions, monosaccharide constituents, and molecular weights of the seven BGPs obtained at different growth stages varied obviously. These BGPs had similar preliminary structural characteristics but different microstructures and thermal properties. Furthermore, the BGPs (BGP-Z12 and BGP-Z21) obtained at the seedling stage possessed stronger in vitro antioxidant potentials, cholic acid binding activity, and immunological activity than other BGPs. Therefore, these results indicated that that the seedling stage of BG was the preferable harvest time for preparing highly bioactive BGPs.
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