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Protective effects of alpha-galacto-oligosaccharides against a high-fat/western-style diet-induced metabolic abnormalities in mice

文献类型： 外文期刊

作者： Dai, Zhuqing 1 ; Feng, Simin 1 ; Liu, Anna B. 1 ; Wang, Hong 1 ; Zeng, Xiaoxiong 2 ; Yang, Chung S. 1 ;

作者机构： 1.Rutgers State Univ, Ernest Mario Sch Pharm, Dept Chem Biol, Piscataway, NJ 08854 USA

2.Nanjing Agr Univ, Coll Food Sci & Technol, Nanjing 210095, Jiangsu, Peoples R China

3.Jiangsu Acad Agr Sci, Inst Argoprod Proc, Nanjing 210014, Jiangsu, Peoples R China

4.Zhejiang Univ Technol, Dept Food Sci & Technol, Hangzhou 310014, Zhejiang, Peoples R China

期刊名称：FOOD & FUNCTION （ 影响因子：5.396； 五年影响因子：5.534 ）

ISSN： 2042-6496

年卷期： 2019 年 10 卷 6 期

页码：

收录情况： SCI

摘要： In this study, we investigated the effects of a newly synthesized alpha-galacto-oligosaccharide mixture (alpha-GOSg), 0.5% in drinking water, on high-fat/western-style diet (HFWD)-induced metabolic abnormality in mice in a study of 13 weeks. Raffinose family oligosaccharides (RFOs) were included as a comparison. Mice treated with alpha-GOSg had significantly lower body weight and body fat (p < 0.05), while RFOs were less effective. Both alpha-GOSg and RFOs significantly reduced serum levels of total cholesterol and low-density lipoprotein cholesterol, alanine aminotransferase and liver lipids. However, only alpha-GOSg significantly decreased the histopathological score for liver steatosis and downregulated hepatic fatty acid synthesis gene acetyl CoA carboxylase-alpha. alpha-GOSg also significantly reduced the content of bile acids in the small intestine and significantly increased the abundance of gut Bifidobacterium and decreased the abundance of Clostridium leptum. These actions are proposed to be key mechanisms contributing to the beneficial health effects of alpha-GOSg.

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