| 摘要 |
<P>PROBLEM TO BE SOLVED: To obtain a bleaching agent safe for skin and exhibiting excellent bleaching actions on the skin or to provide a food and drink, an additive for the food and drink or a cosmetic each for bleaching. <P>SOLUTION: The bleaching agent safe for the skin and exhibiting the excellent bleaching actions, the food and drink for bleaching, additive for the food and drink and the cosmetic for bleaching comprise one or more kinds selected from glycine, threonine, hydroxyproline or aspartic acid or an acyl derivative of each amino acid or its salt as an active ingredient. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
