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KMID : 1134819990280010212
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Journal of the Korean Society of Food Science and Nutrition
1999 Volume.28 No. 1 p.212 ~ p.217
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Effects of Nuruk or Wheat Bran Supplemented Diet on the Serum Levels of Cholesterol and Activities of Hepatic Oxygen Free Radical Metabolizing Enzymes in Rats
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Yoon Chong-Guk
Chae Soon Nim
Huh Nam-Eung
Kim Hyun-Su
Yoo Dae-Sik
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Abstract
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The effects of nuruk and wheat bran on cholesterol level in serum and activities of free radical metabolizing enzymes were investigated in rats. The rats were fed a diet containing nuruk or wheat bran for one month. Body weight and food intake were measured. Animals were sacrificed after one month. The increased food efficiency ratio throughout whole growth period was observed in the rats fed with either nuruk containing Aspergillus terreus or wheat bran compared with control group on normal diet. In the rats fed with nuruk, hepatic GSH content, glutathione S-transferase activity, hepatic cytochrome P-450 content, and aniline hydroxylase activities were generally increased. In the rats fed with nuruk containing other fungi except Aspergillus terreus, xanthine oxidase activity was decreased. The decreased cholesterol level in serum was observed in rats fed with nuruk prepared from Aspergillus terreus and wheat bran. LDL-cholesterol level was decreased in rats fed with nuruk prepared with other fungi such as Penicillium sp. and Rhizopus sp. But HDL-cholesterol level was increased in all groups fed with nuruk from any fungi and wheat bran. These results suggested that nuruk- or wheat bran-supplemented diet might exert their effect by decreasing cholesterol level in serum and amount of oxygen free radical level.
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KEYWORD
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nuruk, cholesterol, oxygen free radical metabolizing enzymes
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