THE LEAF OF EXTRACTS SASA QUELPAERTENSIS THAT HAVING BLEACHING ACTIVITY

摘要

The extract of Sasa quelpaertensis Nakai leaf is provided to improve the skin whitening activity by inhibiting oxidation, inflammation, activity of tyrosinase and melanin formation in the skin without side effects. A process for preparing the extract of Sasa quelpaertensis Nakai leaf having skin bleaching activity comprises the steps of: drying Sasa quelpaertensis Nakai leaf in the shade; pulverizing the dried Sasa quelpaertensis Nakai leaf; dipping the Sasa quelpaertensis Nakai leaf powder in distilled water; extracting the dipped product at 80, 100 and 121 deg.C for 2 hours; and collecting the supernatant of the extract, and removing remaining water from the supernatant through vacuum concentration, vacuum-drying and freeze-drying processes.