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KMID : 1134820110400010029
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Journal of the Korean Society of Food Science and Nutrition
2011 Volume.40 No. 1 p.29 ~ p.36
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Antioxidant Activity in Water and Methanol Extracts from Korean Edible Wild Plants
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Lee Young-Min
Bae Ji-Hyun
Jung Ho-Young
Kim Jae-Hyun
Park Dong-Sik
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Abstract
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The present study was performed to investigate antioxidant activities of Korean edible wild extracts. In water and methanol extracts of edible wild plants, total polyphenol content of water and methanol extracts ranged 4.6～183.8 and 8.2～270.1 ㎎/g, respectively. Radical scavenging activity against DPPH and ABTS radicals was observed to be high in Lysimachia barystachys, Aceriphyllum rossii, Securinega suffruticosa, Sedum kamtschaticum, and Pedicularis resupinata. Pedicularis resupinata, Securinega suffruticosa, Patrinia villosa, and Solidago virga-aurea var . asiatica showed effective SOD-like activity. There was significant correlation between polyphenol content and DPPH and ABTS radical scavenging activities, and SOD-like activity. Plant extracts such as Pedicularis resupinata, Securinega suffruticosa, Rhapontica uniflora, Lysimachia barystachys, and Aceriphyllum rossii had higher polyphenol content, radical scavenging, and SOD-like activity. These results indicate that Korean edible wild plants may be useful as potential antioxidant sources for improving human antioxidant defense system.
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KEYWORD
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edible wild plant extracts, polyphenol, DPPH and ABTS radical, SOD-like
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