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Effects of Kimchi Solvent Fractions on Anti-oxidative Enzyme Activities of Heart, Kidney and Lung of Rabbit Fed a High Cholesterol Diet

김치 용매획분이 고 콜레스테롤 식이를 섭취한 토끼의 심장, 신장 및 폐의 항산화 효소계 활성에 미치는 영향

  • 전혜년 (인제대학교 부산백병원) ;
  • 김현주 (부산대학교 식품영양학과 및 김치연구소) ;
  • 송영옥 (부산대학교 식품영양학과 및 김치연구소)
  • Published : 2003.03.01

Abstract

The effects of dichlorornethane (CH$_2$C$_2$), ethylacetate (EtOAc) or water ($H_2O$) fraction of Korean cabbage kimchi on anti-oxidative enzyme activities of the heart, kidney and lung of rabbit fed 1% cholesterol diet for 16 weeks were studied. The amount of kimchi fraction added to the 100 g of diet was 8.3 mg of CH$_2$C1$_2$,5.6mg of EtOAc, and 221.9 mg of $H_2O$, which are equivalent to 5% of freeze-dried kimchi in the diet. Each group had 6 rabbits and rabbit was housed individually. Lipid peroxide values for the heart was the highest followed by lung and kidney. But the activities of catalase and GSH-px were the lowest in the heart and the highest in the kidney. Activities of anti -oxidative enzymes (catalase, GSH-px, Mn-SOD, Cu, Zn-SOD) of rabbits fed kimhi solvent fractions added diets were lower than those of the control which fed 1% cholesterol diet. Among kimchi groups, CH$_2$Cl$_2$ group showed the lowest (p<0.05) enzymes activities. Lipid accumulation in these organs fed diets with kimchi solvent fractions, especially with CH$_2$C1$_2$fraction, were lower than that of the control. Therefore, production of the lipid free radicals might be suppressed and the activities of anti -oxidative enzymes responsible for removing the free radicals seemed to be lowered in kimch frachoin-fed rabbits.

김치의 용매획분중 in vitro에서 LDL 산화억제 활성이 강했고 in vivo에서 지질저하효과가 있었던 디클로로메탄 획분, 에틸아세테이트 획분, 수용성 획분이 고콜레스테롤 식이를 섭취한 토끼의 심장, 신장, 그리고 폐에서 항산화 효소의 활성에 미치는 영향을 살펴보았다. 과산화물 함량은 심장이 가장 높고 신장이 가장 낮았으나, catalase와 GSBf-px활성은 심장이 낮았고, 신장은 높은 활성을 나타냈다 Catalase, GSH-px 및 SOD의 활성은 모든 장기에서 1% 콜레스테롤 식이를 섭취한 대조군에 비해 김치 용매획분군에서 낮았고 특히 디클로로메탄 획분군의 항산화효소 활성은 유의적으로 낮았다(p<0.05).이러한 결과는 김치 용매획분은 심장 신장 그리고 폐에 지방축적을 억제하는 효과가 있었고, 그로 인해 지질 유리기의 생성이 적어, 각 장기에서 유리기를 제거하는 항산화 효소의 활성이 낮은 것으로 생각된다.

Keywords

References

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