POLA Discovers Bush Clover Polyphenol Has Whitening Effect.Tokyo, Japan, June 9, 2006 - (JCN) - Japanese cosmetics manufacturer POLA has discovered a unique property of Lespedeza lespedeza (lĕs'pədē`zə) or bush clover, any plant of the genus Lespedeza, leguminous herbs or undershrubs of the family Leguminosae (pulse family); native to North America, Asia, and Australia. buergeri (L.buergeri), a kind of bush clover, in collaboration with the University of Shizuoka The University of Shizuoka (静岡県立大学; Shizuoka Kenritsu Daigaku, abbreviated to 静岡県立大 Shizuokakenritsudai) is a public university in Shizuoka, Japan. . Specifically, the partners have elucidated that several polyphenols in L. buergeri can inhibit the melanin melanin (mĕl`ənĭn), water-insoluble polymer of various compounds derived from the amino acid tyrosine. It is one of two pigments found in human skin and hair and adds brown to skin color; the other pigment is carotene, which contributes formation. The whitening effect is stronger than the one given by other whitening substances such as arbutin and hydroquinone hydroquinone /hy·dro·quin·one/ (hi?dro-kwi-non´) the reduced form of quinone, used topically as a skin depigmenting agent. hy·dro·qui·none n. . Going forward, POLA plans to shed light on how those polyphenols exert the whitening effect. Copyright [c] 2006 Japan Corporate News Network. All rights reserved. |
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