| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a tyrosinase activity inhibitor which uses a natural substance having high safety as a raw material, excels in tyrosinase activity inhibition, and can be widely used in the fields of foods and cosmetics. <P>SOLUTION: The tyrosinase activity inhibitor having excellent tyrosinase activity inhibition includes an olive leaf extract and enzyme-treated isoquercitrin or enzyme-treated rutin and is obtained from a natural substance having high safety, and can be widely used in the fields of foods and cosmetics. <P>COPYRIGHT: (C)2010,JPO&INPIT |
