Antibacterial Activity of Medicinal Plant Extracts to S. aureus KCCM12256 and V. parahaemolyticus KCCM11965

한약재 추출액의 S. aureus KCCM12256과 V. parahaemolyticus KCCM11965에 대한 항균 활성

  • Doh, Eun-Soo (Dept. of Oriental Pharmaceutical Science, Joongbu University)
  • 도은수 (중부대학교 한방제약과학과)
  • Received : 2010.10.12
  • Accepted : 2010.12.09
  • Published : 2010.12.31

Abstract

This study was conducted to investigate the antibacterial activities of medicinal plant extracts. The results were as follows. Crude water and methanolic extracts of Sanguisorba officinalis Linne, Coptis chinensis Makino, and Portulaca oleracea Linne, among 31 kinds of medicinal plants, had strong antibacterial activities against S. aureus and V. parahaemolyticus, with the methanolic extract more effective than the water extract. The methnolic and water extracts of S. officinalis Linne had strong antibacterial activities against S. aureus and V. parahaemolyticus. Antibacterial activity against S. aureus and V. parahaemolyticus was observed with extracts of S. officinalis Linne at dilutions of 5 and 10%, respectively. The EtOAc, BuOH, and $H_2O$ fractions of the extract of S. officinalis Linne had antibacterial activities against S. aureus and V. parahaemolyticus. Specifically, the fractions had antibacterial activity against S. aureus at dilutions of 5, 2, and 1%, respectively. Regarding V. parahaemolyticus, the EtOAc, $H_2O$, and BuOH fractions had antibacterial activities at dilutions of 5, 2, and 1%, respectively.

천연식품 보존제의 개발과 이용에 대한 기초 자료를 확보하고자 31종의 한약재 추출물 중 S. aureus와 V. parahaemolyticus 등 식중독 유발균에 대해 우수한 항균 활성을 가지는 한약재를 선발하고, 선발된 한약재 추출물의 농도나 분획물의 항균 활성 등을 검토한 결과는 다음과 같다. 물과 메틸알콜을 용매로 추출하여 S. aureus와 V. parahaemolyticus에 대한 항균 활성을 조사한 결과, 지유, 황련 및 마치현 등이 강한 항균 활성을 가지며, 물보다는 메틸알콜 추출액의 항균 활성이 높은 것으로 나타났다. 특히 지유의 물 및 메틸알콜 추출물 모두 S. aureus 및 V. parahaemolyticus에 대하여 강한 항균 활성이 있었다. 지유 추출물은 S. aureus에 대해서는 5% 희석 농도까지 항균 활성이 인정되었으나, V. parahaemolyticus에 대해서는 10% 희석 농도까지 항균 활성이 인정되었다. 지유 추출물의 EtOAc, BuOH 및 $H_2O$ 분획물은 S. aureus와 V. parahaemolyticus에 대하여 항균 활성이 있었으며, S. aureus에 대해서는 EtOAc 분획물은 5%, BuOH 분획물은 2% 그리고 $H_2O$ 분획물은 1% 희석 농도까지 항균 활성이 인정되었으며, V. parahaemolyticus에 대해서는 EtOAc 분획물은 1% 희석 농도, $H_2O$ 분획물은 2% 그리고 BuOH 분획물은 5% 희석 농도까지 항균 활성이 있는 것으로 나타났다.

Keywords

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