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KMID : 0613820070170111571
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Journal of Life Science
2007 Volume.17 No. 11 p.1571 ~ p.1575
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Effects of Hanbag Mushroom(Grifola frondosa) on Oxidative Stress in Diabetic Rats
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Lee Chang-Yun
Park Yeong-Chul
Kim Jong-Bong
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Abstract
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This research was carried out to investigate the effects of Hambag mushroom on the oxidative stress in diabetic rats, Sprague-Dawley. The diabetic rats induced by streptozotocin were fed with hambag mushroom-powder(G. frondosa) for 6 weeks. For the level of oxidative stress in liver and pancreas tissues, it was studied by measuring LPO (lipid oxide) level as an indicator of lipid peroxidation, XOD (xanthine oxidase) as one of important sources for free radicals and the levels of GSH and GST as anti-oxidant systems. Also, as an indicator of liver damaged by oxidative stress, the activities of serum ALT and AST were measured. It was observed that the levels of ALT, AST, LPO and XOD were higher by about two times in both tissues from diabetic rats than in those from control rats. This indicates that the oxidative stress induced by diabetes caused the tissues damages. However, these levels were decreased in the tissues from rats with hambag mushroom-powder. Futhermore, the activity of GST were higher in both tissues from diabetic rats fed with hambag mushroom-powder than in those from diabetic rats. Thus, it is considered that the hambag mushroom-powder decreases the level of oxidative stress by increasing activity of anti-oxidant system such as GSH and GST. It is suggested that the hambag mushroom-powder can be useful for preventing the tissues damaged by diabetes-induced oxidative stress.
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KEYWORD
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Diabetes, oxidative stress, tissues damages. Hambag mushroom
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