SKIN COLLAGEN PRODUCTION-PROMOTING AGENT
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United States of America Patent
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Issued Date -
Aug 29, 2013
app pub date -
Sep 29, 2011
filing date -
Sep 30, 2010
priority date (Note) -
Abandoned
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Abstract
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.
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