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Structural characterization, antioxidant and hypolipidemic activity of Grifola frondosa polysaccharides in novel submerged cultivation

文献类型： 外文期刊

作者： Yang, Weiwei 1 ; Wu, Juan 1 ; Liu, Weimin 1 ; Ai, Zhilu 2 ; Cheng, Yu 1 ; Wei, Zhencheng 3 ; Zhang, Hao 1 ; Ma, Haile 1 ; Cu 1 ;

作者机构： 1.Jiangsu Univ, Sch Food & Biol Engn, 301 Xuefu Rd, Zhenjiang 212013, Jiangsu, Peoples R China

2.Henan Agr Univ, Minist Agr & Rural Affairs PR China, Key Lab Staple Grain Proc, 63 Agr Rd, Zhengzhou 450002, Henan, Peoples R China

3.Guangdong Acad Agr Sci, Sericulture & Agrifood Res Inst, Guangdong Key Lab Agr Prod Proc, Minist Agr & Rural Affairs,Key Lab Funct Foods, 133 Dongguanzhuang Yiheng Rd, Guangzhou 510610, Guangdong, Peoples R China

4.Jiangsu Univ, Sch Pharm, 301 Xuefu Rd, Zhenjiang 212013, Jiangsu, Peoples R China

关键词： Wheat bran; Rice bran; Grifola frondosa; Polysaccharides; Antioxidant activity; Hypolipidemic activity; Structural characteristics

期刊名称：FOOD BIOSCIENCE （ 影响因子：4.24； 五年影响因子：4.805 ）

ISSN： 2212-4292

年卷期： 2021 年 42 卷

页码：

收录情况： SCI

摘要： Rice bran and wheat bran are high-yield but low-utilization agricultural by-products in China. Rice and wheat brans were used as substrates of fermentation by Grifola frondosa JSULY2020 strains. Two novel intracellular polysaccharides (GFP-W1 and GFP-W2) and one exopolysaccharides (EP-X1) were obtained following purification. GFP-W1 (Mw 9.161 x 10(5) Da), GFP-W2 (Mw 2.733 x 10(7) Da), and EP-X1 (Mw 2.564 x 10(4) Da) were composed of arabinose, fucose, xylose, mannose, glucose and galactose. GFP-W1 and GFP-W2 comprised mainly glucose, while EP-X1 was mainly arabinose. All three polysaccharides exhibited remarkable antioxidant activity and hypolipidemic ability. This study demonstrates that rice and wheat brans are feasible fermentation substrates for the production of polysaccharides from G. frondosa, and these polysaccharides could be a promising ingredient for health-beneficial functional foods.

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