US 2010/0135941 A1 · SKIN-WHITENING AGENT

Abstract

A skin-whitening agent offering an excellent whitening effect and being effective in preventing and treating age spots, freckles, etc., where such skin-whitening agent contains as its effective ingredient a whey protein hydrolyzate characterized by a molecular weight distribution of 10 kDa or less, main peak of 200 Da to 3 kDa, APL (average peptide-chain length) of 2 to 8, free amino acid content of 20% or less, and antigenicity of one-ten thousandth of β-lactoglobulin or less, as well as a cosmetic, drink or food, feed, pharmaceutical preparation or other skin-whitening product containing such skin-whitening agent.

Claims10

Dependent claims

A skin-whitening agent comprising, as an effective ingredient, a whey protein hydrolyzate having the following characteristics:

(A) the molecular weight is distributed within 10 kDa with a main peak of 200 Da to 3 kDa;
(B) the APL (average peptide-chain length) is 2 to 8;
(C) the free amino acid content is 20% or less;
and
(D) the antigenicity is one-ten thousandth of antigenicity of β-lactoglobulin or less.

2 more elements

Dependencies are inferred from the claim text.

Facts

Application

12/530,617Filed 10 Mar 2008

Priority

JP 2007-06305313 Mar 2007

Published

3 Jun 2010

Term ends

Not estimatedThe source records don’t support an estimate.

Classification20 codes

A61K 35/20
Materials from mammals; Compositions comprising non-specified tissues or cells; Compositions comprising non-embryonic stem cells; Genetically…:…
A23C 9/1526
Containing additives: amino acids; Peptides; Protein hydrolysates; Nucleic acids; Derivatives thereof
A23K 20/147
Amino acids; Derivatives thereof: polymeric derivatives, e.g. peptides or proteins
A23K 50/40
Feeding-stuffs specially adapted for particular animals: for carnivorous animals, e.g. cats or dogs

Skin-whitening agent

Life of this patent

Skin-whitening agent

Life of this patent

Abstract

Claims10