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KMID : 0380020070220020078
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Korean Journal of Biotechnology and Bioengineering
2007 Volume.22 No. 2 p.78 ~ p.83
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Screening of Antioxidative and Antibacterial Activity from Methanol Extracts of Indigenous Plants, Jeju-Island
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Moon Yonng-Gun
Heo Moon-Soo
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Abstract
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In this study, we investigated the biological activity of antioxidant and antibacterial activity of Indigenous Plants, Jeju-Island., which, using methanol were extracted. The reducing activity on the 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical and O2- and ·OH radical scavenging potential, in search for antioxidation activities of Indigenous Plants, were sequentially screened. Among the ten plant parts, Prunella vulgaris var. aleutica Fernald. flower had the highest antioxidative activity. 80% Methanol extracts of ten indigenous plants were screened for antibacterial activity 13 fish pathogenic bacteria by agar diffusion method. Among the various 80% Methanol extracts, the Prunella vulgaris var. aleutica Fernald, Gleichenia japonica Spreng, Microlepia marginata (panzer) Christ., Perilla frutescens var. japonica Hara. showed relatively strong antibacterial activities in the order.
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KEYWORD
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Antioxidant, antibacterial activity, indigenous plants, methanol extracts
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