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KMID : 1007520140230030917
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Food Science and Biotechnology
2014 Volume.23 No. 3 p.917 ~ p.924
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The Gastrointestinal Metabolic Effects of Oat Product Based-β-glucan in Mice
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Dong Ji-Lin
Zhang Wen-Li
Lin Juan
Shen Rui-Ling
Si Jun-Ling
Wang Ying
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Abstract
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Most physiologicalstudies studies of oat beta (β)-glucan have shown positive effects on regulation of blood glucose and lipid metabolism related to β-glucan metabolism in the gastrointestinal tract. The effects of oat β-glucan (OG), oat bran (OB), oat flour (OF), and oatmeal (OM) containing different levels of β-glucan on digestibility and degradation were investigated in normal mice. Chyme viscosity, the gastric emptying rate, the gastrointestinal transit rate, the activities of intestinal digestive enzymes, the levels of plasma cholecystokinin (CCK) and motlin (MOT), and degradation of β-glucan in oat products were determined. β-glucans from different oat products increased intestinal chyme viscosity, delayed gastric emptying, promoted enterokinesia, decreased amylase, trypsin, lipase, and Na+, K+-ATPase activities, and promoted secretion of CCK and MOT, especially for oat derived β-glucan.
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KEYWORD
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oat products, oat β-glucan, gastrointestinal metabolism, degradation
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