SKIN WHITENING AGENT CONTAINING SOPHORAFLAVANONE G OR SOPHORAE RADIX EXTRACT CONTAINING THE SAME

摘要

PURPOSE: Provided is a skin whitening agent containing sophoraflavanone G, derivatives thereof and a sophorae radix extract containing the same which directly inhibit tyrosinase activity, reduce the amount of melamine in melanoma cells and have low toxicity. CONSTITUTION: The skin whitening agent composition contains sophoraflavanone G represented by the formula(1) and a derivative thereof as an active ingredient. A sophorae radix extract is obtained by extraction in a single or two or more mixed solvents selected from water, C1-4 lower alcohol, glycerol, propylene glycol, 1,3-butylene glycol, ethyl acetate, benzene, hexane and diethyl ether. The sophorae radix extract contains the sophoraflavanone G and derivatives thereof.