Ken Kato;Aiko Ono;Hiroshi Ueno;Hiroaki Matsuyama;Noriko Ueda
发明人:
Ken Kato,Aiko Ono,Hiroshi Ueno,Noriko Ueda,Hiroaki Matsuyama
申请号：
US13876889
公开号：
US20130225497A1
申请日:
2011.09.29
申请国别(地区):
US
年份:
2013
代理人:
摘要：
A skin collagen production-promoting agent includes a milk protein fraction having following properties (a) to (c) as an active ingredient: (a) being derived from milk, (b) containing proteins having a molecular weight determined by sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE) of 6000 to 150,000 daltons, and (c) containing 12 to 14 wt % of basic amino acids with respect to the constituent amino acid composition, and having a basic amino acid/acidic amino acid ratio of 0.5 to 0.7.
