期刊
CARBOHYDRATE POLYMERS
卷 136, 期 -, 页码 87-94出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.carbpol.2015.09.030
关键词
Dietary fiber; Modification; High hydrostatic pressure; Enzyme; Physicochemical and functional properties; Antioxidant activity
资金
- Comprehensive Utilization and Deep Processing of Cumin and Related Byproducts project [2014-Z64]
- Scientific and Technological Innovation of High Level Person [1113JHTF010]
In this study, we evaluated the effects of high hydrostatic pressure (HHP) and enzyme (laccase and cellulase) treatment on the structural, physicochemical, and functional properties and antioxidant activity of deoiled cumin dietary fiber (DF). HHP-enzyme treatment increased the contents of soluble dietary fiber (SDF) (30.37g/100 g), monosaccharides (except for glucose), uronic acids, and total polyphenol. HHP-enzyme treatment altered the honey-comb structure of DF and generated new polysaccharides. DF modified by HHP-enzyme treatment exhibited improved water retention capacity (10.02 g/g), water swelling capacity (11.19 mL/g), fat and glucose absorption capacities (10.44 g/g, 22.18-63.54 mmol/g), a-amylase activity inhibition ration (37.95%), and bile acid retardation index (48.85-52.58%). The antioxidant activity of DF was mainly correlated to total polyphenol content (R = 0.8742). Therefore, DF modified by HHP-enzyme treatment from deoiled cumin could be used as a fiber-rich ingredient in functional foods. (C) 2015 Published by Elsevier Ltd.
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