In vitro simulated digestion affecting physicochemical characteristics and bioactivities of polysaccharides from barley (Hordeum vulgare L.) grasses at different growth stages
文献类型： 外文期刊
作者： Yan, Jing-Kun 1 ; Chen, Ting-Ting 2 ; Wang, Lin 2 ; Wang, Zi-Wei 2 ; Li, Can 2 ; Chen, Wen-Yan 2 ; Liu, Chenghong 3 ; Li, Lin 1 ;
作者机构： 1.Dongguan Univ Technol, Sch Chem Engn & Energy Technol, Key Lab Healthy Food Dev & Nutr Regulat China Nat, Dongguan 523808, Peoples R China
2.Jiangsu Univ, Sch Food & Biol Engn, Zhenjiang 212013, Peoples R China
3.Shanghai Acad Agr Sci, Biotech Res Inst, Shanghai Key Lab Agr Genet & Breeding, Shanghai 201106, Peoples R China
关键词： Barley grass polysaccharide; In vitro simulated digestion; Physicochemical and biological properties
期刊名称：INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES （ 影响因子：8.025； 五年影响因子：7.626 ）
ISSN： 0141-8130
年卷期： 2022 年 219 卷
页码：
收录情况： SCI
摘要： In this study, three polysaccharides (BGPs: BGPs-Z21, BGPs-Z23, and BGPs-Z31) were successively extracted from barley (Hordeum vulgare L.) grasses (BG) at different growth stages, including seedling (Z21), tillering (Z23), and stem elongation (Z31). The effects of in vitro simulated saliva-gastrointestinal digestion on the physicochemical characteristics and biological activities of BGPs were investigated and compared. Results showed that the simulated saliva-gastrointestinal digestion had considerable influences on reducing sugar content, chemical components, monosaccharide constituents, and molecular weights of BGPs but hardly affected their preliminarily structural characteristics. Moreover, the antioxidant activities of BGPs were weakened after the simulated saliva-gastrointestinal digestion, but their bile acid-binding capacities were remarkably enhanced. The digested BGPs-Z31 by gastric juice possessed better antioxidant benefit, and bile acid-binding capacity (80.33 %) than other digested products. Overall, these results indicated that BGPs obtained from BG are valuable for functional foods as promising bioactive ingredients.
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