The effect of ball milling on the structure, physicochemical and functional properties of insoluble dietary fiber from three grain bran

被引：46

作者：

Niu, Li ^{[1
]}

Guo, Qianqian ^{[1
]}

Xiao, Jing ^{[1
]}

Li, Yinxia ^{[1
]}

Deng, Xu ^{[1
]}

Sun, Tianrui ^{[1
]}

Liu, Xuebo ^{[1
]}

Xiao, Chunxia ^{[1
]}

机构：

[1] Northwest A&F Univ, Coll Food Sci & Engn, Yangling 712100, Peoples R China

来源：

FOOD RESEARCH INTERNATIONAL | 2023年 / 163卷

关键词：

Grain bran; Insoluble dietary fiber; Ball milling; Physicochemical property; Functional property; CHENOPODIUM-QUINOA; ANTIOXIDANT; CELLULOSE; EXTRACTION; DIGESTION;

D O I：

10.1016/j.foodres.2022.112263

中图分类号：

TS2 [食品工业];

学科分类号：

0832 ;

摘要：

The effects of ball milling processing on the structure, physicochemical, and functional properties of insoluble dietary fiber (IDF) in bran from prosomillet, wheat and rice were investigated. Meanwhile, the effect of IDF on glucose tolerance and blood lipid levels in mice was evaluated as well. With findings, for all three grains, the particle sizes of IDF were significantly reduced after ball milling treatment (p < 0.05). Scanning electron mi-croscopy revealed fragmented fiber with numerous pores and cracks. The reactive groups of three IDF samples were found to be similar by fourier transform infrared spectroscopy. And consistent with X-ray diffraction and thermal analysis, for all three grains, ball milling reduced the crystallinity of IDF and helped to increase the release of free phenol by 23.4 %, 8.9 %, and 12.2 %, respectively. Furthermore, the water holding capacity, glucose delay capacity, glucose, sodium cholate, and cholesterol adsorption capacity, and in vitro digestibility of starch and fat were all improved to varying degrees. Animal experiments showed that ball milling treatment effectively slowed the postprandial rise in blood sugar (especially IDF of rice bran) and blood lipids (especially IDF of prosomillet bran). As a result, ball milling treatment is a potential method for dietary fiber modification in the food industry.

引用

页数：12

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