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KMID : 1098420140220010008
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Korean Journal of Medicinal Crop Science
2014 Volume.22 No. 1 p.8 ~ p.16
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Comparison of Antioxidant and Anti-Inflammatory Activity on Chestnut, Chestnut Shell and Leaves of Castanea crenata Extracts
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Kim Jin-Yoon
Kim Seung-Yeon
Kwon Hyoung-Min
Kim Chan-Hyun
Lee Seung-Jin
Park Seung-Chun
Kim Kyung-Hwa
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Abstract
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The present study was carried out to evaluate the antioxidant and anti-inflammatory activities of three extracts (hot water, 50% ethanol and mixed solvent;water, ethanol, butylene glycol, propylene glycol) of dried chestnut, chestnut shell, chestnut leaves and dried chestnut leaves obtained from Castanea crenata tree. When conducted DPPH assay, radical scavenging activity of ethanol extract of chestnut shell was the highest with IC50 10.8 ㎍/mL among four extracts rom these parts (p < 0.05). In additional results by the xanthine oxidase assay, antioxidant activity showed that water extract of chestnut leaves showed the highest xanthine oxidase inhibitory activity in the tested extracts (p < 0.05). Futhermore,
extracts of chestnut shell and leaves exhibited no cytotoxicity in RAW 264.7 cells (p < 0.05). Also, anti-inflammatory
activity by NO assay showed LPS-induced NO was significantly inhibited following treatment with extracts of chestnut shell and leaves of 3 ㎎/mL (p < 0.05). These data suggest that extract of chestnut shell have antioxidant and anti-inflamantory activity including chestnut leaves. Therefore, it is considered that Castanea crenata research range and selection of functional material can broaden chestnut shell to other fractions such as chestnut and chestnut leaves.
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KEYWORD
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Antioxidant, Anti-Inflammatory, Castanea crenata, Xanthine Oxidase, Nitric Oxide
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