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KMID : 0604520150410020151
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Journal of the Society of Cosmetic Scientists of Korea
2015 Volume.41 No. 2 p.151 ~ p.157
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A Study on Whitening and Anti-inflammatory Effects of Eriobotrya Japonica Leaf Extracts with Different Extraction Methods
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Park Jung-Ok
Park Jin-Oh
Joo Chul-Gue
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Abstract
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In this study, we prepared Eriobotrya japonica leaf extracts by several extraction processes and then evaluated their biological activities for their potential application as a new raw material of functional cosmetic. Their whitening effects were measured by tyrosinase inhibitory activities, and anti-inflammatory effects were determined by inhibitory activities of nitric oxide (NO) production. Among the several extracts obtained from E. japonica leaf, supercritical fluid extract showed tyrosinase inhibitory activities at the concentration of 10%. Inhibitory activity on NO production effect related to anti-inflammatory efficacy was in the order: supercritical fluid extract > ethanol extract > hot water extract. According to the results of MTT assay, cell cytotoxicity was not observed at all concentrations except for a 5% concentration of the 70% ethanol extract. For whitening effects, 30% ethanol and 70% ethanol extract showed mushroom tyrosinase inhibitory activity at the concentration of 5%. These results indicated that E. japonica leaf extracts could have the functional effects when they are added as ingredients in cosmetics.
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KEYWORD
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Eriobotrya japonica leaf, whitening, anti-inflammation, cosmetics
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