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KMID : 0604519980240030065
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Journal of the Society of Cosmetic Scientists of Korea
1998 Volume.24 No. 3 p.65 ~ p.72
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DEVELOPMENT OF NEW WHITENING AGENT. THE INHIBITORY EFFECTS OF LAGENARIA LEUCANTHA ON MELANOGENESIS AND DEPIGMENTATION EFFECT OF GOLD FISH
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Suh, J.E.
Lee, C.W.
Cho, Y.H.
Park, S.M.
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Abstract
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In this study, we demonstrated the whitening effect of Lagenaria leucantha through the melanin biosynthesis of S bikiniensis and inhibition of melanogenesis in cultured Bl6 melanocytes. And we confirmed the whitening effect of Lagenaria leucantha through the depigmentation of gold fish in vivo. The melanogenesis of B_{16} melanocytes was founded to be activated dose and time dependently by the treatment of u- MSH. When the B_{16} melanocytes was treated with 200nM of alpha-MSH, the morphology of melanocytes was remarkably changed. The melanin content and the synthesis of tyrosinase were strikingly increased. Lagenaria ieucantha inhibited the melanin formation stimulated by alpha-MSH without affection of cell viability. However, Lagenaria leucantha didn’’t inhibit tyrosinase activity and showed weak suppression on the synthesis of tyrosinase. These results suggest Lagenaria leucantha might inhibit melanin formation with tyrosinase independent manner. Lagenaria ieucantha also inhibition melanin biosynthesis with 18mm inhibition zone in S.bikiniensis. To evaluate the inhibitory activity of melanogenesis of Lagenaria leucantha in vivo, we examined its effect on depigmentation of gold fish. Lagenaria ieucantha remarkably reduced the size and density of melanophores in gold fish. These results suggest that Lagenaria ieucantha can be used as a whitening agent in cosmetics.ics.s.
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