Journal
FOOD RESEARCH INTERNATIONAL
Volume 71, Issue -, Pages 16-22Publisher
ELSEVIER
DOI: 10.1016/j.foodres.2015.03.002
Keywords
Cooked white rice; Cooked brown rice; Gastric digestion simulator; Rice disintegration; Direct observation
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Funding
- Skylark Food Science Institute of Japan [2013-1]
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This study evaluates physical digestion for cooked white rice and cooked brown rice using a novel in vitro gastric digestion simulator (GDS). The GDS enabled direct observation of the disintegration of cooked rice in the presence of simulated human gastric peristalsis.The experiments confirmed a steep increase in the disintegration of cooked white rice during the initial 30 mitt, after which disintegrated contents slowly increased. However, the appearance of liquid phase had little effect on cooked brown rice up to 180 min digestion, likely due to the protective action of the bran layer. Our results indicated that cooked rice particles gradually disintegrated into smaller fractions, depending on the type of cooked rice. The present research uses GDS to provide a better understanding of solid food digestion. (C) 2015 Elsevier Ltd. All rights reserved.
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