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KMID : 1234420080360030240
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Korean Journal of Microbiololgy and Biotechnology
2008 Volume.36 No. 3 p.240 ~ p.245
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Protective Effects of Fermented Aloe vera on Carbon Tetrachloride-induced Hepatotoxicity in Spraguedawley Rats
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Lim Byung-Lak
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Abstract
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Aloe vera extract was fermented by Lactobacillus casei. The ability of fermented Aloe vera (FAV) as an antioxidant to protect against CCl4-induced oxidative stress and hepatotoxicity in rats was investigated. The rats were administered orally with various doses of FAV with 50, 100 mg/kg for 14 consecutive days. For this study, we not only tested activity of various plasma enzymes (AST, ALT), which are used as indicators of liver disease, but also checked thse change of liver components such as superoxide dismutase and catalase activity. Pretreatment of FAV for two weeks significantly reduced the elevated plasma enzyme activities induced by CCl4. Pretreatment of FAV also restored the hepatic enzyme, malonedialdehyde (MDA) formation. The results indicate that FAV has a protective effect against acute hepatotoxicity induced by the administration of CCl4 in rats, and that the hepatoprotective effects of FAV may be due to both the inhibition of lipid peroxidation and the increase of antioxidant activity.
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KEYWORD
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Fermented Aloe vera, hepatotoxicity, SOD, AST, ALT, Lipid peroxidation
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