Blasting extrusion processing: the increase of soluble dietary fiber content and extraction of soluble-fiber polysaccharides from wheat bran

Food Chemistry
Xiaoguang YanYe Chen

Abstract

In this study, soluble dietary fiber (SDF) content of wheat bran was significantly increased from 9.82 ± 0.16 (w/w, %) to 16.72 ± 0.28 (w/w, %) by a novel blasting extrusion processing with enhanced water retention capacity and the swelling capacity. In addition, a water-soluble polysaccharide (WBP) was isolated and extracted from extruded SDF. WBP was successfully purified from SDF by column chromatography systems with the average molecular weight (Mw) of 4.7 × 10(4)Da, containing arabinose, xylose, glucose, and galactose. With the molar ratio of 0.76:0.99:1.00:0.12. Our results suggest that WBP owned 1 → 2, 1 → 3, 1 → 2, 6 and 1 → 4, 1 → 4, 6 glycosidic bonds in the absence of 1 →, 1 → 6 glycosidic bonds. In vitro antioxidant assays (DPPH, ABTS+ radical scavenging capacities, and ferric ion reducing capacity) demonstrated that WBP possesses good antioxidant capacity, and it could be potentially used as a natural antioxidant for use in functional food, cosmetic and pharmaceutical industries.

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Citations

Dec 1, 2017·Critical Reviews in Food Science and Nutrition·Lisa M LamotheKatherine Macé
Feb 27, 2019·Critical Reviews in Food Science and Nutrition·Weijing WuZaigui Li
Jan 14, 2016·The Cochrane Database of Systematic Reviews·Louise HartleyKaren Rees
Mar 14, 2020·Journal of the Science of Food and Agriculture·Xiang XiaoXinghua Zhou
Jul 21, 2020·Critical Reviews in Food Science and Nutrition·Praveen SainiVijay Singh
Oct 24, 2018·Food Science & Nutrition·Soroush Haghighi-Manesh, Mohammad Hossein Azizi
Jul 30, 2019·Journal of Food Biochemistry·Shuhong LiYe Chen
Apr 17, 2020·Food Science and Biotechnology·Shahid Ahmed JunejoYibin Zhou
Jan 7, 2021·Environmental Science and Pollution Research International·Jordana GeorginGuilherme L Dotto
Jul 3, 2021·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Oluwatoyin O OnipeAfam I O Jideani
Jul 24, 2021·Carbohydrate Polymers·Mingjun ZhangJianbin Li

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