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KMID : 0380620120440010094
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Korean Journal of Food Science and Technology
2012 Volume.44 No. 1 p.94 ~ p.99
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The Skin Protecting Effects of Ethanolic Extracts of Eggplant Peels
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Jo Yu-Na
Jeong Hee-Rok
Jeong Ji-Hee
Heo Ho-Jin
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Abstract
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We investigated the in vitro antioxidant and antimelanogenesis effects of ethanol extracts from eggplant (Solanum melongena L.) peels. The total phenolics and chlorogenic acid in ethanol extracts were 2,465 mg/100 g and 2.08 mg/100 g, respectively. ABTS radical scavenging activity, ferric reducing/antioxidant power assay, and malondialdehyde (MDA) inhibitory effect of the extracts increased in a dose-dependent manner. In addition, the extracts generally showed strong UV absorption in the range of UV-B (290-320 nm). The IC50 of mushroom tyrosinase inhibitory activity of ethanol extracts from eggplant peels was 870 μg/mL. Importantly, the melanin syntheses of B16/F10 melanoma cells were decreased by extracts in a concentration-dependent manner. Overall, these results suggest that eggplant peels can be potentially applied as a anti-melanogenic agent as well as an antioxidant resource.
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KEYWORD
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Solanum melongena L., eggplant peel, chlorogenic acid, antioxidant activity, UV protection, melanogenesis
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