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Oat Protein Isolate Mitigates High-Fat Diet-Induced Obesity in Rats Through Gut Microbiota, Glucose, and Lipid Control

文献类型： 外文期刊

作者： Chen, Xi 1 ; Han, Xue 1 ; Chen, Mianhong 2 ; Li, Jihua 2 ; Zhou, Wei 2 ; Li, Ruyi 2 ;

作者机构： 1.Harbin Inst Technol, Sch Chem & Chem Engn, Harbin 150001, Peoples R China

2.Chinese Acad Trop Agr Sci, Agr Prod Proc Res Inst, Key Lab Trop Crop Prod Proc, Minist Agr & Rural Affairs, Zhanjiang 524001, Peoples R China

关键词： oat protein isolate; obesity; gut microbiota; inflammation; dyslipidemia

期刊名称：FOODS （ 影响因子：5.1； 五年影响因子：5.6 ）

ISSN：

年卷期： 2025 年 14 卷 12 期

页码：

收录情况： SCI

摘要： The growing prevalence of obesity poses a significant challenge to public health. This research explored the impact of oat protein isolate (OPI) on mitigating obesity induced by a high-fat diet (HFD) in rats. The results indicate that OPI, administered at a dose of 100 mg/kg, reduced the gain of body weight and fat deposits, ameliorated glucose metabolism, promoted antioxidant capacity, and alleviated inflammation. Results from the 16S rRNA sequencing of fecal samples reveal that OPI mitigated the gut microbiota disorder induced by an HFD, significantly raising the proportion of beneficial genera, such as Ruminococcus, Blautia, Allobaculum, Romboutsia, and Dubosiella. Furthermore, OPI promoted the growth of beneficial bacteria, elevated the production of short-chain fatty acid (SCFAs), and improved glucose and lipid metabolism and reduced inflammation, collectively contributing to its anti-obesity effects. These findings confirm OPI's efficacy in reducing obesity induced by an HFD in rats. Future clinical trials are needed to further validate the efficacy of OPI as a functional food.

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