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The Korean Society for Biotechnology and Bioengineering (한국생물공학회)
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Innibition of Cell Growth and Urease Activity of Helicobacter pylori by Medicinal plant Extracts

한약재 추출물에 의한 Helicobacter pylori의 생장 및 Urease 활성 억제

  • Published : 2004.06.01
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Abstract

Among 14 medicinal plants selected for the study ethanol (70%) extract of Coptis japonica Makino showed the highest anti-microbial activity against Helicobacter pylori followed by Perilla frutescens var. acuta KUDO, Caesalpinia sappan L. and Schizonepeta tenuifolia Briq. However, anti-urease activity of methanol (80％) extracts was best for Forsythiae Fructus followed by Caesaipinia sappan L. and Schizonepeta tenuifolia Briq. In the second fractionation using water, ethyl acetate and butanol more than 90％ of the anti-urease activity was detected in the ethyl acetate fraction.

14종 한약재의 70% 에탄을 추출물의 Helicobacter pylori에 대한 항균활성은 황련 (Coptis japonica Makino)이 가장 뛰어 났으며, 소엽 (Perilla frutescens var. acuta KUDO), 소목 (Caesalpinia sappan L.) 및 형개 (Schizonepeta tenuifolia Briq.)의 경우에도 높은 항균활성을 나타내었다. 그러나 Helicobacter pylori의 위내 서식을 도와주는 것으로 알려진 urease 활성억제능은 연교 (Forsythiae Fructus)의 메탄올 (80%) 추출물에서 가장 높았으며, 소목 및 형개의 추출물도 높았다. 특히 연교의 경우 한약재 추출물을 넣지 않은 대조군과 비교하여 80% 이상의 활성이 억제되었다. 연교의 메탄올 추출물을 물, 에틸아세테이트 (ethyl acetate), 부탄을 순으로 분획하여 각 분획물에 대한 urease 활성억제능을 검색한 결과 에틸아세테이트 분획에서 92%의 urease 활성이 억제되었다.

Keywords

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