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KMID : 1134820000290020274
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Journal of the Korean Society of Food Science and Nutrition
2000 Volume.29 No. 2 p.274 ~ p.279
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Effect of Potato Polyphenolics on the Hyperlipidemia in Rats
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Cha Jae-Young
Cho Young-Su
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Abstract
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Effect of potato polyphenolic compound on the concentrations of serum and liver lipids, serum glucose, and urine protein was investigated in Sprague Dawley rats by feeding a diet containing 0.5% of cholesterol for 2 weeks. Polyphenolic compound extracted from potato (Solanum tuberosum variety Dejima) was supplemented at a 0.5% level in the basal diet or the cholesterol diet. The supplementation of potato polyphenolic compounds decreased slightly the concentrations of total cholesterol and VLDL＋LDL-cholesterol in serum, and atherosclerotic index in rats fed the cholesterol diet, while those measurements were not altered by the supplementation of potato polyphenolic compounds in rats fed the basal diet. In the rats fed the basal diet or the cholesterol diet containing potato polyphenolic compounds, urine protein increased by 12% and 27% at 1st week, respectively, but this change was not seen at 2nd week. The concentration of serum glucose, however, was not significantly different in the dietary groups.
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KEYWORD
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potato polyphenolics, lipid, rat, cholesterol
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