Alcoholic Hepatotoxicity Suppression in Alcohol Fed Rats by Glutathione-enriched Yeast FF-8 Strain

  • Cha, Jae-Young (Technical Research Institute, Daesun Distilling Co., Ltd.) ;
  • Kim, Hyeong-Soo (Department of Biomedical Laboratory Science, College of Biomedical Science and Engineering, and Regional Research Center, Inje University) ;
  • Kang, Sun-Chul (Department of Biotechnology, Daegu University) ;
  • Cho, Young-Su (Department of Biotechnology, College of Natural Resources and Life Science, Dong-A University)
  • Published : 2009.12.31


The suppressive effects of glutathione-enriched Saccharomyces cerevisiae FF-8 strain (FF-8 GY) on alcoholinduced hepatotoxicity have been studied. FF-8 GY (256 mg/L) from the fermentation at a large scale bioreactor was used. Either of 5% FF-8 GY or 5% commercial glutathione-enriched yeast extract (GYE) with or without 30% alcohol was tested with rats for 4 weeks. FF-8 GY and GYE were found to reduce those alcohol-elevated serum alanine aminotransferase (ALT), alkaline phosphatase (ALP), and lactate dehydrogenase (LDH) activities. Blood alcohol and acetaldehyde were also decreased by FF-8 GY and GYE. Interestingly, FF-8 GY drastically increased both hepatic alcohol dehydrogenase (ADH) and acetaldehyde dehydrogenase (ALDH) activities in comparison to GYE group, thus FF-8 GY would be more effective in blood alcohol and acetaldehyde reduction. Attenuated lipid droplet accumulation in hepatocytes was observed in both FF-8 GY and GYE when alcohol stimulated the accumulation. Therefore, FF-8 GY may be useful to protect liver from alcohol-induced hepatotoxicity.



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