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http://dx.doi.org/10.3746/jkfn.2008.37.10.1251

The Effect of Dietary Modified Potato Starch By Chemically Denatured Treatment and Potato Starch on the Weight Loss, Lipid Metabolism and Redox Antioxidant System in High Fat Diet-Induced Obese Rats  

Park, Soo-Jin (Dept. of Food Science and Nutrition, Hoseo University)
Choi, Mi-Kyeong (Dept. of Human Nutrition and Food Science, Chungwoon University)
Kim, Jin-Suk (Rural Resource Development Institute, NIAST, RDA)
Lim, Hak-Tea (Dept. of Plant Biotechnology, College of Bioscience and Biotechnology, Kangwon National University)
Kang, Myung-Hwa (Dept. of Food Science and Nutrition, Hoseo University)
Publication Information
Journal of the Korean Society of Food Science and Nutrition / v.37, no.10, 2008 , pp. 1251-1257 More about this Journal
Abstract
For the first 42 days, we made rats obese by feeding them potato starch instead of corn starch and after that we fed them transformed potato starch by 4 groups for 70 days. The 4 groups are GPS group, SPS group, EZ group and H40 groups and each were fed normal potato, small potato, enzyme treated potato, and acid treated potato starches, respectively. We determined body weight and feeding efficiency, lipid profiles in serum, lipid peroxidation in tissues and redox antioxidant system as GSH and GP-x in vivo. As a result, there was no difference in the increment of body weight in the groups of GPS, EZ and H40. Therefore EZ group showed lower body weight increment than other groups. While GPS group and SPS group did not show significant difference in blood glucose, cholesterol level, LDL-cholesterol and TC, and their measured values were lower than those of EZ and H40 groups. No significant difference was found in HDL-cholesterol level except for GPS group. Furthermore, when calculating atherogenic index (AI) by HDL-cholesterol and TC contents, H40 group showed higher measured value than other groups. When measuring the lipid peroxidation in serum, kidney and liver tissues, the serum lipid peroxidation in H40 group was higher than others. In the tissue of liver and kidney, EZ and H40 groups showed significantly lower contents than others. The content of GSH showed different tendency in each tissue, but the measured value of GP-x activity was lower in SPS group.
Keywords
potato; modified starch; obesity; antioxidative activity; glucose levels;
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Times Cited By KSCI : 6  (Citation Analysis)
Times Cited By SCOPUS : 0
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