Effects of Soluble Dietary Fibers on Serum Short-chain Fatty Acids of High-fat-diet Rats

doi:10.7506/spkx1002-6630-201117067

Abstract

Abstract: In order to explore the effects of soluble dietary fibers on serum short-chain fatty acids (SCFA) of SD rats fed high fat diet, the rats were orally administered with soluble oat β-glucan, soluble tomato skin dietary fiber and soluble grape skin dietary fiber for 50 consecutive days. The serum SCFAs of rats were extracted by hollow fiber-supported liquid membrane extraction and quantitatively determined by gas chromatography. Compared with the model rats, soluble oat β-glucan could result in a significant decrease of propionate acid and n-butyric acid by 76.09% and 55.79%, respectively (P＜0.01); soluble dietary fiber from tomato peel could result in an increase of acetic acid by 81.56% (P＜0.01) and a significant reduction of n-valeric acid by 62.63% (P＜0.01); soluble dietary fiber from grape peel could significantly increase acetic acid by 97.60% (P＜0.01) and significantly reduce i-butyric acid, i-valeric acid and n-valeric acid by 66.59%, 39.33% and 63.82%, respectively (P＜0.01).

Key words: tomato, grape, β-glucan, soluble dietary fiber, hollow fiber-supported liquid membrane extraction, serum, short-chain fatty acid

CLC Number:

TS201.2

HU Juan，WU Hong-bin，ZHENG Gang，ZHAO Guo-hua,. Effects of Soluble Dietary Fibers on Serum Short-chain Fatty Acids of High-fat-diet Rats[J]. FOOD SCIENCE, 2011, 32(17): 321-325.

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Effects of Soluble Dietary Fibers on Serum Short-chain Fatty Acids of High-fat-diet Rats

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