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KMID : 0613820070170030412
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Journal of Life Science
2007 Volume.17 No. 3 p.412 ~ p.419
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Antimicrobial Effect of Medicinal Plants against Methicillin-Resistant Staphylococcus aureus (MRSA)
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Ji Young-Ju
Lee Ji-Won
Lee In-Seon
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Abstract
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In the present study, we investigated antimicrobial activity of the medicinal plants against various strains of methicillin-resistant Staphylococcus aureus (MRSA) and Staphylococcus aureus (S. aureus). Among the tested, the plants extracts of Asiasarum heterotropoides var. mandshuricum, Coptidis rhizoma, Reynoutria elliptica Migo., Solidago virga-aurea var. gigantea Miq.seed exhibited significant antimicrobial activities against MRSA KCCM 11812, 40510 and S. aureus ATCC 25923. The methanol extract of Asiasarum heterotropoides var. mandshuricum showed strong antimicrobial activity against MRSA KCCM 11812, 40510 and S. aureus ATCC 25923 at the 5 ㎎/disc. A synergistic effect was found in combined extracts of Asiasarum heterotropoides var. mandshuricum and Coptidis rhizoma as compared to each extracts alone. The result suggests that medicinal plant extracts can be used as an effective natural antimicrobial agent in food.
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KEYWORD
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antimicrobial activity, Methicillin-Resistant Staphylococcus aureus(MRSA), medicinal plant extracts
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