Journal
FOOD RESEARCH INTERNATIONAL
Volume 54, Issue 2, Pages 1821-1827Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.foodres.2013.09.025
Keywords
Microfluidization; Insoluble dietary fiber; Functional properties; Particle size
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Funding
- National High Technology Research and the Development Program of the Chinese Ministry of Science and Technology [2010AA10Z301]
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The effects of microfluidization on the characteristics and physicochemical properties of insoluble dietary fiber (IDF) from peach and oat were investigated. The results showed that microfluidization could effectively reduce IDF particle sizes to submicron scales, trigger a redistribution of some fiber composition from insoluble to soluble fractions and improve the physicochemical properties (water-holding capacity, swelling capacity, oil-holding capacity) of IDF to some different extents. After microfluidization the IDF ability in lowering postprandial serum glucose (including the effects of IDF on the diffusion of glucose, glucose adsorption capacity and inhibitory effects of IDF towards et-amylase) and the activity of pancreatic lipase generally increased. It was concluded that microfluidization treatments could effectively improve the functionalities of IDF, which might be a potential fiber-rich ingredients in functional foods. (C) 2013 Published by Elsevier Ltd.
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