Korean Journal of Medicinal Crop Science (한국약용작물학회지)

The Korean Society of Medicinal Crop Science (한국약용작물학회)
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Antioxidaitve and Antibacterial Activities of Endemic Plants Extracts in Korea

국내 자생 식물 추출물의 항산화 활성 및 항균효과

  • 한승호 (충남농업기술원) ;
  • 우나리야 (호서대학교 자연과학부 식품영양학과) ;
  • 이송득 (호서대학교 자연과학부 생명과학과) ;
  • 강명화 (호서대학교 자연과학부 식품영양학과)
  • Published : 2006.02.28
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Abstract

Antioxidative and antibacterial activities of endemic plants extracts in Korea were investigated. Hydrogen radical scavenging activity was 99.72% in an elm tree, 99.725 in a Job's tears, 99.575 in an eggplant, and 94.025 in a barrenwort. Antibacterial activity of ethanol extract from 23 different species of wild plants were determined. The gull nut was showed the strongest antibacterial activities (16.0-19.0 mm) and also showed high antibacterial activities in a pine neddles, a gulmyungja, a wild ginger plants, a ginko (9.5-11.5 mm). Only extracts of Saurrranceae extract showed the antibacterial activity in Bacillus subtilus, Stapylococcus aureus, Escherichia coli, Samonella entetotidis. An antibacterial activities were showed weakly in an esungcho and an eggplant. A ground ivy showed Antibacterial activity on Stapylococcus aureus. A barren wort showed in antibacterial activity on Stapylococcus aureus, and E. coli. This results were suggested that many edemic plants resources contains antioxidative and antibacterial substances.

23종의 천연 자생물의 ethanol 추출물에 대한 항산화 및 항균활성을 비교하였다. Hydrogen radical 소거능으로 측정한 항산화 활성은 유근피가 99.72%로 가장 높았으며, 율무 > 가지 > 삼지구엽초 순으로 높았다. DPPH에 의한 전자공여능을 측정한 결과, 오배자 추출물의 전자공여능은 70.33%로 매우 높았고, 피마자 > 가지 > 유근피 추출물이 높은 활성을 보여주었다. 또한 Paper disk diffusion법에 의해 측정한 항균활성은 오배자 추출물이 모든 균종에서 가장 강한 항균활성 (16.0-19.0 mm)을, 솔잎, 결명자, 세신, 은행 추출물 순으로 모든 균종에서 9.5-11.5 mm 정도의 항균활성을 나타내었다. 약쑥은 Listeria monocytogenes 종을 제외한 실험균주에서 9.0-10.0 mm의 높은 항균성을 보였다. 삼백초는 Bacillus subtilus, Stapylococcus aureus, Escherchia coli, Samonella entetotidis의 균종에서 선택적인 항균활성을 나타내었다. 따라서 23종 자생식물자원의 항산화활성과 항균효과를 비교한 결과, 유근피, 가지, 피마자, 오배자, 솔잎이 hydrogen radical 소거능, DPPH에 의한 전자공여능, 항균효과가 매우 높은 식물자원으로 확인할 수 있었다.

Keywords

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