abstract |
(57) [Summary] [Constitution] The whitening cosmetic of the present invention has the following general formula 1. (Wherein, R represents a monosaccharide or disaccharide residue), which is characterized by containing (+)-catechin-3-O-β-glycoside as an active ingredient. [Effect] Among the glycosides of the present invention, a tyrosinase inhibitory activity exceeding that of arbutin is recognized, and is promising as an active ingredient of whitening cosmetics. |