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Regulatory Effect of Dietary Fiber from Citrus maxima Peel on Blood Lipids in Rats

WANG Qiang,ZHAO Xin*(Institute of Food Safety and Nutrition,Department of Biological and Chemical Engineering,Chongqing University of Education,Chongqing 400067,China)  
The aim of this study was to observe the regulatory effect of dietary fiber from Citrus maxima peel on body weight and blood lipids in rats.SD rats were randomly divided into five groups including blank control(BCK),high fat control(CK),high fat diet + 0.2 g/d of superfine dietary fiber powder(C1),high fat diet + 0.04 g/d of superfine dietary fiber powder(C2),high fat diet + 0.2 g/d of superfine powder of extruded dietary fiber(C3),and high fat diet + 0.04 g/d of superfine powder of extruded dietary fiber(C4).Several blood indexes such as TC,TG,HDL-C,LDL-C and AI were detected and changes in blood lipids after 50 days of administration were observed.Compared with the CK group,the C4 groups showed a significant reduction in serum TC level and AI(P0.05),though no significant differences in body weight,body fat content or serum LDL-C level were observed(P 0.05).In conclusion,dietary fiber from Citrusmaxima peel has laxative effects and can regulate blood lipids in mice.
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