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Effect of Pyroligneous Liquor on Oxygen Radicals and Their Scavenger Enzymes in Liver of CD Rats  

Choi, Jin-Ho (Laboratory of Biochemistry, Faculty of Food Science and Biotechnology, Pukyong National University)
Cho, Weon-Ki (Clinical Dualism Research Institute, Choa Pharmacy Co. Ltd)
Publication Information
Journal of Nutrition and Health / v.40, no.2, 2007 , pp. 111-117 More about this Journal
Abstract
This study was designed to investigate the effects of pyroligneous liquor on oxygen radicals and their scavenger enzymes in the liver of Cri/Bgi CD rats (7 rats per group). Male rats were fed a basic diet prepared in our Lab., PL-0 (Control), PL-1, PL-25, PL-50 and PL-75 groups were Prepared to be 0%, 1%, 25%, 50% and 75%with distilled water using pyroligneous liquor (35% of Choa Co. Ltd.), and were administrated orally for 8 weeks. Superoxide radical contents in liver mitochondria and microsomes were significantly decreased to 12-14%, 11-15%, respectively, in these PL-25 and PL-50groups compared with the control group. Hydroxyl radical content in mitochondria and microsomes were markedly decreased to 12-20% and 17%, respectively, in these PL-25 and PL-50% groups compared with the control group. Hydrogen peroxide content in mitochondria and microsomes were significantly decreased about 15-12% and 22-20% in liver of PL-25 and PL-50 groups compared with the control group. Mn-SOD and Cu/Zn-SOD activities in liver of PL-25 and PL-50 groups were remarkably increased to 15-25%, 11-16%, respectively, compared with the control group. GPx activities in mitochondria and microsomes were significantly increased in the liver of PL-25 and PL-50 groups compared with the control group. CAT activities in mitochondria and cytosol were significantly increased to 12-14%, 15-27%, respectively, in the liver of PL-25 and PL-50 groups compared with the control group. These results suggest that long term administration orally of 25 and 50% pyroligneous liquor may effectively inhibit the formation of oxygen free radicals, and also scavenger enzyme activities significantly increase through the administration orally.
Keywords
pyroligneous liquor; superoxide radical; hydroxyl radical superoxide dismutase (SOD); glutathione peroxidase (GPx); catalase (CAT);
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