한국식품위생안전성학회지 (Journal of Food Hygiene and Safety)

  • 제17권3호
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  • Pages.124-128
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  • 2002
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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

알코올 투여 방법이 흰쥐의 간과 뇌에서 산화적 스트레스유발에 미치는 영향

Effect of Different Ethanol Treatments on the Oxidative Stress in Liver and Brain of SD Rats

  • 박민경 (청운대학교 식품영양학과) ;
  • 이영재 (제주대학교 수의학과)
  • 발행 : 2002.09.01
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⟨ 이전 논문 다음 논문 ⟩

초록

본 연구에서는 알코올 섭취 방법이 간과 뇌에서 산화적 스트레스 유발 정도에 미치는 영향을 알아보고자 횐쥐에 5%의 에탄올이 함유된 물을 1개월간 자유로이 섭취하게 하는 방법 또는 2.5g/kg의 에탄올을 1일 1회 1개월간 경구 투여하는 방법 등 알코올 투여 방법을 달리하고 간, 대뇌 및 소뇌에서 지질과산화 반응과 비타민 E의 함량 변화를 비교하였다. 5%-EtOH군의 간조직에서는 비타민 E의 함량이 증가하고 지질과산화물은 변화가 없었으며, 2.5g-EtOH군의 간조직에서는 비타민 E의 함량은 변화가 없으나 지질과산화물은 유의적으로 증가하였다. 뇌 조직에서는, 5%-EtOH군의 대뇌와 소뇌 모두에서 지질과산화물이 증가하고 비타민 E의 함량이 감소하였다. 또한, 2.5g-EtOH군의 대뇌와 소뇌에서도 지질과산화물이 증가하고 비타민 E의 함량이 감소하였으며 그 정도는, 5%-EtOH군에서 보다 큰 경향을 보였다. 결론적으로, 간에서의 지질과산화 반응 및 비타민 E의 함량은 알코올 투여 방법에 따라 다양하게 나타났으나 대뇌와 소뇌에서는 본 연구에서 실시한 투여 방법 모두에 의해 산화적 스트레스가 유발되었다.

The effect of different ethanol feeding protocols on the oxidative stress in liver and blain of rats was studied. The rats were fed 5%-ethanol solution in drinking water (5%-EtOH group) or 2.5g ethanol/kg body wt. once daily intragastrically (2.5g-EtOH group). The levels of thiobarbituric acid reactive substances (TRARS) and vitamin EI in the liver, cerebrum and cerebellum were measured. In the liver of 5%-EtOH group, the level of TBARS was not changed, whereas vitamin I was significantly increased compared to control group. In the liver of 2.5g-EtOH group, the level of TBARS was significantly increased compared to control group and the vitamin E concentration was not affected. The levels of TBARS were increased and the vitamin E concentrations were decreased significantly both in the cerebrum and cerebellum in 5%-EtOH group as well as in 2.5g-EtOH group. These results show that lipid peroxidation and vitamin E concentration in liver were varied according to the conditions of ethanol treatment, however, the vitamin E contents in cerebrum and cerebellum were affected by both ethanol intoxications used in this study.

키워드

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