Hepatoprotective Effect of Cheonnyuncho (Opuntia humifusa) Extract in Rats Treated Carbon Tetrachloride

천년초(Opuntia humifusa) 추물물의 사염화탄소를 처치한 흰쥐에서의 간보호 효과

  • Park, Min-Kyung (Department of Human Nutrition and Food Science Chungwoon University) ;
  • Lee, Young-Jae (Department of Veterinary Medicine, Cheju National University) ;
  • Kang, Eun-Sil (Department of Human Nutrition and Food Science Chungwoon University)
  • 박민경 (청운대학교 식품영양학과) ;
  • 이영재 (제주대학교 수의학과) ;
  • 강은실 (청운대학교 식품영양학과)
  • Published : 2005.10.31

Abstract

Effect of Cheonnyuncho extract on the liver injury of rats treated carbon tetrachloride $(CCl_4)$ was studied. Cheonnyuncho extract was administerd at dose of 0.5 and 1 g/kg/day, p.o. for 2 weeks. $CCl_4$ was treated at dose of $0.5\;mL/kg$, i.p. 3 hours later from the last pretreatment of Cheonnyuncho extract. Administration of Cheonnyuncho extract at a dose of 1 g/kg decreased serum AST, ALT and ALP activities by 36, 41, and 22% respectively compared to $CCl_4$ treatment group. Increased lipid peroxidation and decreased SOD and GST activities were also recovered by pretreatment of Chonnyuncho extract in liver of rats. These results suggest that Cheonnyuncho extract has hepatoprotective effect against liver injury.

본 연구에서는 천년초 줄기 물추출물의 전처치가 사염화탄소로 유발한 흰쥐의 간 손상에 대해 보호효과를 나타내는지 알아보고자 하였다. 천년초 추출액은 건조 고형분량을 측정하고 1g/kg 및 0.5g/kg 체중이 되는 양을 일정시간에 1일 1회 14일동안 경구투여 하였다. $CCl_4$는 올리브유로 희석하여(1:4) 0.5ml/kg체중이 되도록 시료 마지막 투여 종료 3시간 후에 대조군을 제외한 모든 군에 복강주사하였다. 사염화탄소 처치에 의해 혈청 AST, ALT 및 ALP 활성이 대조군과 비교하여 각각 4.3, 4.7 및 1.2배 증가하였다. 반면, 천년초 줄기 추출물을 1g/kg 투여한 군의 AST, ALT 및 ALP의 활성은 $CCl_4$군과 비교하여 각각 약 36%, 41% 및 22% 감소하였다. 사염화탄소에 의해 간의 지질과산화 반응이 증가하였으며 SOD 및 GST활성이 감소하였다. 1g/kg의 천년초 줄기 추출물의 투여는 간의 지질과산화 반응을 감소시키고 SOD 및 GST의 활성을 회복시키는 결과를 보였다. 또한, 천년초 줄기 추출물은 $132.2{\mu}mol$ vit. C eq/g의 OH 라디칼 소거활성을 나타내었으며 페놀화합물의 함량이 6.52mg/g이다. 이러한 결과는 천년초 줄기 추출물의 항산화 활성 및 사염화탄소로 부터 간손상을 예방하는 효과가 있음을 보여주고 있다.

Keywords

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