Antimicrobial and Antioxidative Effects of Alismatis Rhizoma Extract

택사 추출물의 항균 및 항산화 효과

  • Published : 2000.10.01

Abstract

Antimicrobial and antioxidative effects of Alismatis Rhizoma which has been used as a galenic for diuretic and antiphlogistic were investigated. In a paper disc test, water extract of Alismatis Rhizoma showed antimicrobial activities against almost all of the microbial species tested, while their activities of methanol and ethanol extract was low than the activity of water extract, and the antimicrobial activity of water extract was most prominent against Vibrio parahaemolyticus. Antioxidative activity against linoleic acid was not observed in methanol extract. In contrast to methanol and ethnol and ethanol extract, water extract showed a antioxidative activity against linoleic acid. However, the antioxidative of water extract was lower than that of 0.1% BHT.

택사(Alismatis Rhizoma)는 중국에서 많이 생산되고, 우리나라에서도 그 생산량의 50%이상이 전남 순천지방에서 생산되고 있는데, 옛부터 생약으로 많이 사용되어 왔으며, 최근 택사분말은 무좀에 도포약으로 쓰이고 있어 택사에는 다양한 생리활성이 있는 것으로 생각된다. 따라서 본 연구에서는 추출용매에 따른 택사 추출물에 대한 항균 및 항산화성에 대하여 조사하였다. Paper disc법에 의한 택사 추출물의 항균 test결과 물추출물에서는 거의 모든 시험균주에서 항균활성이 나타났으나, 메탄올 및 에탄올 추출에서는 그 활성이 작게 나타났으며, 시험균주중 Vibrio parahaemolyticus균에 가장 강한 항균활성을 나타내었다. Linoleic acid에 대한 항산화력의 조사에서 택사 물추출물 100$\mu{l}$첨가시 메탄올 및 에탄올 추출물은 항균효과 나타나지 않았고, 물추출물은 효과가 나타났으나 0.1% BHT첨가시 보다는 그 효과가 적었다.

Keywords

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