| abstract |
The present invention relates to a peptide having a molecular weight distribution of 10 kDa or less and having a main peak of 200 Da to 3 kDa, an APL (average peptide chain length) of 2 to 8, a free amino acid content of 20% By weight of whey protein hydrolyzate as an active ingredient and is excellent in whitening effect on skin and effective for prevention and treatment of spots and freckles, and whitening agent for cosmetics, food, feed, medicine and the like containing this whitening agent And to provide a product. |