Effects of Taeumjowetang on Lipid Peroxidation by Free Radicals and Oxidative Damage of Hepatocytes by tert-Butyl Hydroperoxide

태음조위탕(太陰調胃湯)의 항산화(抗酸化) 효능(效能)에 의한 간세포(肝細胞) 보호(保護) 효과(效果)에 관한 연구(硏究)

  • Kim, Man-woo (Department of Sasang Constitution Medicine, College of Orient Medicine, Dongguk University) ;
  • Park, Seong-sik (Department of Sasang Constitution Medicine, College of Orient Medicine, Dongguk University)
  • 김만우 (동국대학교 한의과대학 사상체질과) ;
  • 박성식 (동국대학교 한의과대학 사상체질과)
  • Published : 2000.12.31

Abstract

Effects of Taeumjowetang on Lipid Peroxidation by Free Radicals and Oxidative Damage of Hepatocytes by tert-Butyl Hydroperoxide. 1. Purpose The present study was carried out to evaluate the antioxidant effects of Taeumjowetang in vitro. 2. Methods In this study, antioxidant effects of TJT on lipid peroxidation were determined according to the method of TBA. (Abbreviation) TJT : Taeumjowetang, TBA : 2-thiobarbituric acid. 3. Results : 1) TJT inhibited markedly peroxidation of linoleic acid during the autoxidation. 2) TJT inhibited lipid peroxidation induced by hydroxyl radical derived from H2O2-Fe2+ in rat liver homogenate. 3) TJT showed 66% scavenging effect on DPPH radical. 4) TJT exhibited a 25% inhibitory effect on superoxide generation from xanthine-xan thine oxidase system. 5) To investigate the antioxidative effects of TJT on the hepatocytes, cultured normal rat liver cells(Ac2F) were prepared and incubated with or without TJT. After 16~18hr, cells placed in DMEM medium without serum, and then incubated with 1mM t-BHP for 2hr. Viable cells were detected by MTT assay. In this test, TJT protected the cell death induced by t-BHP and significantly increased cell viability in the normal rat liver cell. (Abbreviation) DPPH : ${\alpha},{\alpha}$-diphenyl-${\beta}$-picryl hydrazyl, DMEM : Dulbecco's Modified Eagle Medium, t-BHP : terr-butyl hydroperoxide, 4. Conclusion These results suggested that TJT might play a protective role in lipid peroxidation by free radicals.

Keywords

References

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