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KMID : 1007520160250051443
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Food Science and Biotechnology
2016 Volume.25 No. 5 p.1443 ~ p.1448
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Comparative effects of slowly digestible and resistant starch from rice in high-fat diet-induced obese mice
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Lee Kwang-Yeon
Lee Hyeon-Gyu
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Abstract
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The effects of optimized slowly digestible starch (SDS) and resistant starch (RS) from rice starch on weight gain and lipid metabolism in mice (C57BL/6J mice) fed a high-fat diet were investigated. The optimum conditions for SDS were obtained at the pullulanse concentration (X1) of 498 μL, storage temperature) (X2) of 47°C, and A/C cycle (X3) of 5, and for RS, were determined to be 838 μL (X1), 62°C (X2), and a cycle of 3 (X3) using response surface methodology (RSM). Mice fed SDS and RS for 6 weeks showed both significantly decreased weight gain and fat pad weight (p<0.05). Significant decrease in total lipid, triglyceride, and cholesterol concentrations in serum and liver was observed in both SDS and RS group compared to HFD groups (p<0.05). Although both of intake SDS and RS significantly contributed to beneficial effects, RS groups was more effective than SDS group in all parameters.
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KEYWORD
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rice starch, slowly digestible starch, resistant starch, optimization, anti-obesity effect
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