MALUS MICROMALUS EXTRACTS HAVING WHITENING ACTIVITY

摘要

A composition comprising the extract of Malus micromalus Makino is provided to whiten the skin by inhibiting melanin biosynthesis and activity of tyrosinase, suppress oxidation and inflammation, and improve economical efficiency and safety of use by using natural plant. A composition for whitening the skin comprises the extract of Malus micromalus Makino which is prepared by washing leaf, branch, flower or fruit of Malus micromalus Makino with water, drying it with hot wind of 40 deg. C for 3 days, pulverizing the dried Malus micromalus Makino, dipping the pulverized Malus micromalus Makino in 70% ethanol and stirring it at room temperature for 2-3 days, filtering the stirred solution to obtain the crude extract of Malus micromalus Makino, and fractionating the crude extract with other solvent with different polarity.