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    • 2. 发明申请
    • Skin Whitening Agent
    • 皮肤美白剂
    • US20130295207A1
    • 2013-11-07
    • US13979991
    • 2012-01-20
    • Mamiko KikuchiDaiki MuraseMitsuru SugiyamaAkiko Kawasaki
    • Mamiko KikuchiDaiki MuraseMitsuru SugiyamaAkiko Kawasaki
    • A61K8/97A61Q19/02A61K8/60A61K8/49
    • A61K8/97A23L33/105A61K8/4973A61K8/602A61K31/365A61K31/7048A61K36/19A61K2800/782A61Q19/02
    • Use of haguro-so or an organic solvent extract thereof, or a compound represented by the following formula (I) or a salt thereof, for inhibiting a dopa oxidase activity, for inhibiting melanin production, or for whitening the skin; in the formula (I), R1 and R2, being the same or different, each represent a hydroxyl group, or a C1-4 linear or branched alkoxy group, or R1 and R2 together form a methylenedioxy group; R3 and R4, being the same or different, each represent a hydroxyl group, or a C1-4 linear or branched alkoxy group, or R3 and R4 together form a methylenedioxy group; R5 represents a hydrogen atom, a hydroxyl group, a C1-5 linear or branched alkoxy group, a C1-4 acyl group, or a sugar residue selected from the group consisting of (D-apio-β-D-furanosyl)oxy, (β-D-glucopyranosyl)oxy, (3-O,4-O-dimethyl-D-xylopyranosyl)oxy, (2-O,3-O,4-O-trimethyl-β-D-xylopyranosyl)oxy, and (3-O-methyl-β-D-glucopyranosyl)oxy; R6 and R7 are each a hydrogen atom and R8 and R9 together represent an oxygen atom, or R8 and R9 are each a hydrogen atom and R6 and R7 together represent an oxygen atom.
    • 或其有机溶剂提取物或由下式(I)表示的化合物或其盐用于抑制多巴氧化酶活性,抑制黑色素生成或使皮肤变白的用途; 在式(I)中,R 1和R 2相同或不同,各自表示羟基或C 1-4直链或支链烷氧基,或者R 1和R 2一起形成亚甲二氧基; R 3和R 4相同或不同,各自表示羟基或C 1-4直链或支链烷氧基,或者R 3和R 4一起形成亚甲二氧基; R5表示氢原子,羟基,C1-5直链或支链烷氧基,C1-4酰基或选自(D-api-β-D-呋喃糖基)氧基, (3-O,4-O-二甲基-D-木吡喃糖基)氧基(2-O,3-O,4-O-三甲基-β-D-吡喃木糖基)氧基和 (3-O-甲基-β-D-吡喃葡萄糖基)氧基; R6和R7各自为氢原子,R8和R9一起表示氧原子,或R8和R9各自为氢原子,R6和R7一起表示氧原子。