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KMID : 1123920100240040674
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Korean Journal of Oriental Physiology and Pathology
2010 Volume.24 No. 4 p.674 ~ p.680
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Inhibitory Effect of Fructus Ligustri Lucidi Hexane Extract on Melanin Biosynthesis
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Kim Dae-Sung
Han Kyu-Soo
Jeon Byoung-Kook
Woo Won-Hong
Mun Yeun-Ja
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Abstract
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The purpose of this study was to investigate the effects of Fructus Ligustri Lucidi (FLL) on the process of melanogenesis. Cell viability of B16F10 cells was measured by MTT assay and melanin content was assessed using the method of Hosoi with some modifications. Methanol extract of Fructus Ligustri Lucidi (MFLL) significantly inhibited melanin synthesis in a concentration-dependent manner, and it reduced the activity of tyrosinase, the rate-limiting melanogenic enzyme. Additionally, -melanocyte stimulation hormone (-MSH)-induced hyperpigmentation was down-regulated by MFLL. MFLL was fractionated by organic solvent. In the present study, Hexane extract of Fructus Ligustri Lucidi (HFLL) inhibited tyrosinase activity and melanin production of B16F10 cells in the absence or presence of -MSH. Ethyl acetate, butanol and water layers did not affect tyrosinase activity and melanin production. Meanwhile ethyl acetate, butanol and water layers showed DPPH free radical scavenging activity. These results suggest that extract of FLL could be used as functional biomaterial in developing a skin whitening agent having the antioxidant activity.
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KEYWORD
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Fructus Ligustri Lucidi, melanin, tyrosinase, depigmentation, α-MSH
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