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KMID : 1160620130180030210
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Preventive Nutrition and Food Science
2013 Volume.18 No. 3 p.210 ~ p.213
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Cholesterol-lowering Effect of Rice Protein by Enhancing Fecal Excretion of Lipids in Rats
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Um Min-Young
Ahn Ji-Yun
Jung Chang-Hwa
Ha Tae-Youl
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Abstract
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The aim of this study was to investigate the effects of isolated protein from white rice on lipid metabolism in a hypercholesterolemic animal model. Male Sprague-Dawley rats were divided into three groups and fed either a nor-mal diet or a high-cholesterol diet (HCD) containing either casein or isolated rice protein for 4 weeks. Compared with rats fed a HCD with casein, the total cholesterol (TC) level in the plasma was significantly reduced in the rats fed rice protein. However, no significant differences were observed in the triglycerides, high-density lipoprotein (HDL), and glu-cose levels among the experimental groups. Hepatic total lipids and TC levels were significantly decreased by supple-mentation with rice protein. In addition, rice protein significantly increased the levels of TC and bile acids in the feces. These results suggest that rice protein may improve HCD-induced hypercholesterolemia by enhancing fecal excretion of cholesterol.
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KEYWORD
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rice protein, cholesterol, fecal fat
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