Abstract
Cucumber fermentation has been used as a means of preservation. This study was performed to investigate the effects of fermented cucumber beverage (CF) containing beneficial materials for an ethanol hangover based on Hovenia dulcis (SKM) on ethanol-induced hepatotoxicity. Male Sprague-Dawley rats were randomly divided into three groups: ethanol control, ethanol plus SKM, and ethanol plus CF+SKM. SKM or CF+SKM was orally administered at a dose of 7 mL/kg body weight once per day for 5 weeks. Control rats were given an equal amount of water. CF+SKM significantly lowered plasma ethanol levels, whereas SKM tended to decrease the levels compared to the control. Both SKM and CF+SKM significantly lowered the plasma acetaldehyde levels and serum transaminase activities compared to those in the control. SKM and CF+SKM did not affect hepatic alcohol dehydrogenase activity; however, it significantly inhibited cytochrome P450 2E1 (CYP2E1) activity. Hepatic aldehyde dehydrogenase (ALDH) activity was significantly higher in the SKM and CF+SKM groups than that in the control group. Plasma acetaldehyde concentration was significantly correlated with hepatic CYP2E1 (r
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