| 摘要 |
PURPOSE: A tyrosinase inhibiting compound separated from lespedeza cyrtobotrya, a pharmaceutical composition containing thereof, and a usage thereof are provided to secure the tyrosinase inhibiting activity of the compound. CONSTITUTION: A pharmaceutical composition for whitening the skin of users contains 0.05~10wt% of tyrosinase inhibiting compound separated from lespedeza cyrtobotrya marked with chemical formula 1, or its pharmaceutically acceptable salt. The pharmaceutical composition is beverages, candy, dairy products, biscuit, chewing gum, chocolate, jelly, and snack. |
