밤 과육, 껍질 및 밤나무 잎 추출물에 대한 항산화 및 항염증 활성 비교

다국어 초록 (Multilingual Abstract)

The present study was carried out to evaluate the antioxidant and anti-inflammatory activities of threeextracts (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 extractsfrom these parts (p<0.05). In additional results by the xanthine oxidase assay, antioxidant activity showed that waterextract of chestnut leaves showed the highest xanthine oxidase inhibitory activity in the tested extracts (p<0.05). Futher-more, extracts of chestnut shell and leaves exhibited no cytotoxicity in RAW 264.7 cells (p<0.05). Also, anti-inflammatoryactivity by NO assay showed LPS-induced NO was significantly inhibited following treatment with extracts of chestnut shelland leaves of 3㎎/mL (p<0.05). These data suggest that extract of chestnut shell have antioxidant and anti-inflamantoryactivity including chestnut leaves. Therefore, it is considered that Castanea crenata research range and selection of functionalmaterial can broaden chestnut shell to other fractions such as chestnut and chestnut leaves.

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