한약재 주정추출물과 그 유효성분의 식물병원균에 대한 항균활성
Antimicrobial Activity of Ethanol Extracts from Medicinal Herbs and Its Active Compound against Plant Pathogens
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초록
BACKGROUND: The aim of this study was to investigate the antimicrobial effects of the ethanol extracts from various medicinal herbs against plant pathogens to understand the possible the crop protection agents. METHODS AND RESULTS: Among the tested medicinal herbs, Zizyphus jujuba ethanol extract had the potent antimicrobial activity against Phytophthora capsici, Erwinia carotovorum subsp. carotovora, Pseudomonas syringae pv. syringae and Ralstonia solanacearum. The major constituents of Z. jujuba were identified to eugenol(40.45%), dodecanoic acid(18.40%), β-caryophyllene (10.05%) and isoeugenol(9.85%) by GC/MS. Eugenol and isoeugenol had strong inhibitory activity on spore germination against P. capsici and growth against E. carotovorum subsp. carotovora, P. syringae pv. syringae and R. solanacearum. CONCLUSION: In this regard, eugenol and isoeugenol were found to be responsible for the antimicrobial activity of Z. jujuba ethanol extract against plant pathogens. In addition, Z. jujuba ethanol extract, eugenol and isoeugenol can be used the potent antimicrobial agents.
Abstract
BACKGROUND: The aim of this study was to investigate the antimicrobial effects of the ethanol extracts from various medicinal herbs against plant pathogens to understand the possible the crop protection agents. METHODS AND RESULTS: Among the tested medicinal herbs, Zizyphus jujuba ethanol extract had the potent antimicrobial activity against Phytophthora capsici, Erwinia carotovorum subsp. carotovora, Pseudomonas syringae pv. syringae and Ralstonia solanacearum. The major constituents of Z. jujuba were identified to eugenol(40.45%), dodecanoic acid(18.40%), β-caryophyllene (10.05%) and isoeugenol(9.85%) by GC/MS. Eugenol and isoeugenol had strong inhibitory activity on spore germination against P. capsici and growth against E. carotovorum subsp. carotovora, P. syringae pv. syringae and R. solanacearum. CONCLUSION: In this regard, eugenol and isoeugenol were found to be responsible for the antimicrobial activity of Z. jujuba ethanol extract against plant pathogens. In addition, Z. jujuba ethanol extract, eugenol and isoeugenol can be used the potent antimicrobial agents.
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