Structural characterization, physicochemical properties and hypoglycemic activity of soluble dietary fibers from salt stressed mung bean sprouts
文献类型： 外文期刊
作者： Teng, Cong 1 ; Liu, Jinge 1 ; Li, Suling 1 ; Ma, Kaiyang 1 ; Xu, Lujing 1 ; Feng, Jin 1 ; Chai, Zhi 1 ; Hu, Xindi 1 ; Lu, Yifei 1 ; Li, Ying 1 ;
作者机构： 1.Jiangsu Acad Agr Sci, Inst Agroprod Proc, Nanjing 210014, Peoples R China
2.Jiangsu Univ, Sch Food & Biol Engn, 301 Xuefu Rd, Zhenjiang 212013, Peoples R China
关键词： Dietary fiber structure; Insulin resistance; alpha-Glucosidase inhibitory activity; HepG2 cells; Sprouted mung beans
期刊名称：INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES （ 影响因子：8.5； 五年影响因子：8.7 ）
ISSN： 0141-8130
年卷期： 2024 年 278 卷
页码：
收录情况： SCI
摘要： Low-salt stress germination is an effective way to improve the nutritional composition of food crops. A novel soluble dietary fiber (MS-SDF) was isolated from low-salt stress mung bean sprouts that were exposed to low-salt stress using anion exchange and gel permeation techniques. Structural analysis revealed that MS-SDF was a homogeneous heteropolysaccharide with an average molecular weight of 164.997 KDa. It featured a loose structure and contained the characteristic functional groups typical of polysaccharides. MS-SDF was composed of arabinose, galactose, glucose, and mannose with a molar ratio of 3.95:3.86:82.69:9.02. The structure was mainly composed of-*6)-alpha-D-Glcp-(1-*,-*5)-alpha-L-Araf-(1-*, and-*3,6)-alpha-D-Glcp-(1-* as the main chain. Branched at O-3 position with single beta-D-Manp-(1-* as major the side chain. Furthermore, in vitro hypoglycemic assays indicate that MS-SDF exhibits alpha-glucosidase inhibitory activity, significantly enhancing glucose uptake, glycogen synthesis, and pyruvate kinase activity in insulin-resistant HepG2 cells. Overall, MS-SDF could be used as a promising source of functional hypoglycemic foods.
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