Skin-whitening agent

A - Human Necessities – 61 – K

Patent

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Details

A61K 8/64 (2006.01) A23C 21/00 (2006.01) A23L 1/305 (2006.01) A23L 2/52 (2006.01) A61K 35/20 (2006.01) A61K 38/00 (2006.01) A61P 17/00 (2006.01) A61Q 19/02 (2006.01)

Patent

CA 2680544

A whitening agent containing, as the active ingredient, a whey protein hydrolyzate, which has the characteristics of showing the main peak at 200 Da to 3 kDa in the molecular weight distribution of 10 kDa or less, having an APL (average peptide chain length) of 2 to 8, having a free amino acid content of 20% or less and having an antigenicity 1/10,000 times or less as high as the antigenicity of .beta.-lactoglobulin, exerting an excellent whitening effect on the skin and being efficacious in preventing and treating spots, freckles and so on; and whitening products such as a cosmetic, a food, a drink, a feed and a drug each containing the whitening agent as described above.

La présente invention concerne un agent de blanchiment contenant, comme principe actif, un hydrolysat de protéine de blé, qui présente les caractéristiques d'avoir un pic entre 200 Da et 3 kDa dans la répartition du poids moléculaire de 10 kDa ou moins, ayant une APL (longueur moyenne de la chaîne peptidique) comprise entre 2 et 8, ayant une teneur en acides aminés libres d'au moins 20 % et ayant une immunogénicité 1/10 000 fois ou moins aussi élevée que l'immunogénicité de la .beta.-lactoglobuline, exerçant un excellent effet de blanchiment sur la peau et étant efficace pour la prévention et le traitement des taches, de l'éphélide, etc. ; et des produits de blanchiment comme un produit cosmétique, un aliment, une boisson, un aliment pour animaux et un médicament contenant chacun l'agent de blanchiment selon la description ci-dessus.

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