한국식품위생안전성학회지 (Journal of Food Hygiene and Safety)

  • 제19권3호
  • /
  • Pages.105-111
  • /
  • 2004
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  • 1229-1153(pISSN)
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  • 2465-9223(eISSN)
한국식품위생안전성학회 (The Korean Society of Food Hygiene and Safety)
권호 표지

랫트의 간 손상에 대한 녹차카테킨의 보호 및 치료효과

Effect of Green Tea Catechin on Acute Hepatotoxicity in Rats

  • 육동연 (충북대학교 약학대학 생물건강산업개발연구센터) ;
  • 이미애 (청주대학교 사회과학대학) ;
  • 윤여표 (충북대학교 약학대학 생물건강산업개발연구센터)
  • Yuk, Dong-Yeon (College of Pharmacy, Research Center for Bioresource and Health, Chungbuk National University) ;
  • Lee, Mi-Yea (College of Social Sciences, Cheongju University) ;
  • Yun, Yeo-Pyo (College of Pharmacy, Research Center for Bioresource and Health, Chungbuk National University)
  • 발행 : 2004.09.01
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초록

녹차카테킨은 다양한 생리활성을 지닌 것으로 알려지고 있다. 본 실험에서는 사염화탄소와 갈락토사민으로 유발된 간독성에 대한 녹차카테킨의 간기증보호효과가 연구되었다. 녹차 카테킨(50 mg/kg와 100 mg/kg)은 사염화탄소 (0.5 ml/kg)와 갈락토사민(400 mg/kg)이 투여되기 전 그리고 투여후 3일동안 흰쥐에 경구투여되었고, 간기능지표로 AST와 ALT를 측정하였다. 녹차카테킨(50 mg/kg)은 사염화탄소 처리된 랫드에서 상승된 혈중 AST와 ALT 확성을 전투여군(262${\pm}$11, 80${\pm}$19에서 153${\pm}$22, 55${\pm}$25로)과 후투여군(156${\pm}$40, 105${\pm}$3 에서 106${\pm}$22, 55${\pm}$9로) 모두 감소시켰다. 또한 갈락토사민으로 유도한 경우에도 AST와 ALT 수치는 전투여군(576${\pm}$24, 276${\pm}$68 에서 236${\pm}$13, 115${\pm}$13로)과 후투여군(233${\pm}$54, 137${\pm}$11 에서 119${\pm}$23, 44${\pm}$17로)에서 모두 유의성있게 감소된 결과를 나타내었다. 또한 간 조직학적 검사에서도 사염화탄소와 갈락토사민으로 유도된 간경변을 유의성있게 억제하였다. 이상의 결과로 볼 때 녹차카테킨은 간독성에 의한 병변을 예방 및 치료할 수 있는 신약후보물질로서의 가능성을 시사한다.

Green tea catechin (GTC) is known to have a wide variety of pharmacological activites. In the present study, the effects of GTC on acute hepatotoxicity induced by carbon tetrachloride ($CCl_4$) and galactosamine were examined in rats. Two doses (50 or 100 mg/kg) of GTC were administered to rats orally for 3 days befor or after the induction of hepatotoxicity. A hepatotoxicity was induced by the inpraperitoneal injection of the $CCl_4$ (0.5 ml/kg) or galactosamine (400 mg/kg). GTC(50 mg/kg) reduced the aspartate aminotransferase (AST) and alanine aminotransferase (ALT) level of the $CCl_4$-intoxicated rats in the pre-treatment group (from 262${\pm}$11, 80${\pm}$19 to 153${\pm}$22, 55${\pm}$25), and also in the post-treatment group (from 156${\pm}$40, 105${\pm}$3 to 106${\pm}$22, 55${\pm}$9), respectively. And GTC (50 mg/kg) also reduced the levels of AST and ALT in both pre-treatment (from 576${\pm}$24, 276${\pm}$68 to 236${\pm}$13, 115${\pm}$13) and post-treatment (from 233${\pm}$54, 137${\pm}$11 to 119${\pm}$23, 44${\pm}$17) when induced by galactosamine. GTC also showed the inhibition of pathogenesis of hepatocyte of $CCl_{4^-}$ and galatosamine-intoxicated rat. These results suggest that green tea catechin (GTC) may be useful fur the prevention and therapy of hepatotoxic pathogenesis.

키워드

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