Korean Journal of Plant Resources (한국자원식물학회지)

The Plant Resources Society of Korea (한국자원식물학회)
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Antimicrobial Activity against Potato Common Scab (Streptomyces scabiei) of Green Manure Crop Extracts

녹비작물 추출물의 감자 더뎅이병균에 대한 항균력 검정

  • Park, Jong-In (Department of Horticulture, Sunchon National University) ;
  • Jung, Hee-Jeong (Department of Horticulture, Sunchon National University) ;
  • Bae, Yong-Hui (Agricultural Technology & Extension Center) ;
  • Kang, Kwon-Kyoo (Department of Horticulture, Hankyong National University) ;
  • Nou, Ill-Sup (Department of Horticulture, Sunchon National University)
  • Received : 2011.09.05
  • Accepted : 2011.09.26
  • Published : 2011.10.31
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Abstract

This study was designed to investigate the possible role of 10 green manure crop extracts in antimicrobial activity against potato common scab (Streptomyces scabiei). Ten green manure crops were extracted with hexane, ether, ethylacetate, methanol and water. The DPPH radical scavenging activity of ether, methanol and water was higher than those of hexane and ethylacetate fractions. The fractions of methanol, ethylacetate, ether and water showed antimicrobial activity against Streptomyces scabiei from the concentration of 0.25 mg/mL. Methanol fraction of Sorghum showed the highest antimicrobial activity against this microorganism. This result suggests the sorghum extract was the best as good green manure crop with antimicrobial activity against Streptomyces scabiei.

본 연구는 시판되고 있는 10종의 녹비작물로부터 추출한 추출물을 이용하여 감자 더뎅이병균(Streptomyces scabiei)에 대한 항균활성을 검정함으로서 감자 더뎅이병 경감을 위한 녹비작물 선발의 기초자료로 활용하고자 하였다. 10종의 녹비작물에 대하여 hexane, ether, ethylacetate, methanol 및 water로 순차적으로 용매분획을 하였다. 그 결과 DPPH free radical 소거능은 ether, methanol 및 water 추출물에서 소거능이 높게 나타났다. 감자 더뎅이병균(Streptomyces scabiei)에 대한 항균활성은 methanol, ethylacetate, ether 및 water 용매를 이용한 모든 녹비작물 추출물의 0.25 mg/mL 농도에서부터 높은 항균활성을 나타내었다. 특히, methanol 용매를 이용한 하우스솔고 추출물은 감자 더뎅이병균에 대하여 다른 녹비작물 보다 더 높은 항균력을 나타내었다. 이상의 결과들로부터 하우스솔고의 이용은 감자 더뎅이병 경감을 위한 최적의 녹비작물로 생각되었다.

Keywords

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