| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a melanine production inhibitor having a new mother nucleus and suitable for cosmetics (including quasi-drugs), foods, and the like, and to provide a composition containing the ingredient. <P>SOLUTION: The melanine production inhibitor comprises a compound represented by formula (1) (wherein, R<SB>1</SB>and R<SB>2</SB>are each independently H or 1 to 6C straight chain or branched alkyl; n is an integer of 0 to 2), an isomer thereof and/or pharmacologically acceptable salts thereof; and the composition containing the ingredient is disclosed. <P>COPYRIGHT: (C)2011,JPO&INPIT |
