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High-resistant starch and low-glutelin content 1 rice benefits gut function in obese patients

文献类型： 外文期刊

作者： Zhou, Tiantian 1 ; Tang, Zhaocheng 2 ; Liu, Ru 1 ; Gui, Linxing 1 ; Luo, Wenzhen 1 ; Yang, Yuwen 2 ; Zhang, Baolong 1 ;

作者机构： 1.Nanjing Agr Univ, Coll Life Sci, Nanjing, Peoples R China

2.Jiangsu Acad Agr Sci, Inst Germplasm Resources & Biotechnol, Prov Key Lab Agrobiol, Nanjing, Peoples R China

3.Zhong Shan Biol Breeding Lab, Nanjing, Peoples R China

关键词： high-resistant starch and low-glutelin rice; obesity; in vitro fermentation; gut microbiota; short-chain fatty acids

期刊名称：FRONTIERS IN SUSTAINABLE FOOD SYSTEMS （ 影响因子：4.7； 五年影响因子：5.4 ）

ISSN：

年卷期： 2024 年 8 卷

页码：

收录情况： SCI

摘要： The intestinal microbiota plays a crucial role in human health, yet the impact of high-resistant starch and low-glutelin rice in the gut of obese individuals remains unexplored. In this study, different types of rice, namely japonica rice (control), low-glutelin content 1 rice (Lgc1), high-resistant starch and low-glutelin content 1 rice (HR + Lgc1), and commercially available low-glycemic index rice (LowGI), were utilized as samples to examine their in vitro digestion and fermentation, as well as the impact of HR + Lgc1 on the intestinal microbiota in obese individuals. The findings revealed that HR + Lgc1 rice exhibited lower in vitro digestion rates for starch and protein compared to the other three types. Following 24 h of in vitro fermentation, the total short-chain fatty acid content in HR + Lgc1 was 108.67 mmol/L, which was 60.33, 51.26, and 17.29% that in control, Lgc1, and LowGI, respectively. Moreover, HR + Lgc1 rice displayed an inhibitory effect on the production of harmful branched-chain fatty acid metabolites. Analysis through 16S rDNA sequencing indicated that, after fermentation, HR + Lgc1 significantly enhanced the abundance of beneficial bacteria such as Bifidobacterium, Parabacteroides, and Faecalibacterium in the gut, whereas it reduced the abundance of harmful bacteria such as Escherichia-shigella. Our findings may contribute to the development of new foods rich in dietary fiber to improve the digestive function of patients with multiple comorbidities.

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