The Korean Journal of Food And Nutrition (한국식품영양학회지)

The Korean Society of Food and Nutrition (한국식품영양학회)
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Effects of Methanol Extract of Stachys sieboldii MIQ on Acetylcholine Esterase and Monoamine Oxidase in Rat Brain

초석잠 메탄올 추출물의 Acetylcholine Esterase 및 Monoamine Oxidase 활성 억제 효과

  • 류병호 (경성대학교 식품공학과) ;
  • 김선옥 (경성대학교 식품공학과)
  • Published : 2004.12.01
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Abstract

This study was undertaken in order to evaluate effects of methanol extracts of Stachys sieboldii MIQ and its related enzyme activities in brain tissues of rats. Sprague-Dawley(SD) male rats were fed within a control group, which is a basic diet group. The experimental diet group was given 100 and 200 mg/kg to supervise 100 and 200 mg/kg body weight per day for 20 days. Lipid peroxide levels and acetylcholine esterase activity in brain tissues were slightly decreased at a dose dependent manner, in vitro. Lipid peroxide levels were also decreased at a dose dependent manner; methanolic extracts of Stachys sieboldii MIQ demonstrated significant inhibitory effects, in vivo. Monoamine oxidase and xanthine oxidase activities were significantly inhibited in the brain tissues of experimental group compared to control group and the ratio of type conversion of xanthine oxidase were decreased.

초석잠 메탄올 추출물이 뇌신경전달물질과 관련이 있는 acetylcholine esterase, monoamine oxidase 및 xanthine oxidase의 활성억제효과에 대하여 실험하였다. 실험관내에서 초석잠 추출물을 각각 100 및 200mg/kg씩 첨가한 다음 실험한 결과 첨가농도가 증가할수록 과산화지질의 생성을 억제하여 용량 의존형으로 나타났다. 쥐를 대상으로 20일간 투여한 동물실험에서는 초석잠 추출물 100 mg/kg을 식이에 혼합하여 투여한 결과 지질 과산화의 생성을 억제하였다. Acetylcholine esterase의 활성의 경우 초석잠 추출물을 100 mg/kg 투여한 결과 대조군에 비하여 효소활성이 23.11%로 억제되었고, monoamine oxidase 및 xanthine oxidase 활성이 각각 21.93% 및 63.58%로 억제되었다. 그리고 초석잠 추출물을 100 mg/kg을 투여한 경우 xanthine dehydrogenase로부터 xanthine oxidase로의 형전환비율은 28%로 현저하게 억제되었다. 또한, Xanthine dehydrogenase로부터 oxidase로의 형전환비율을 실험한 결과 정상상태에 비하여 억제됨을 알 수 있었다.

Keywords

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