Water-soluble bound matter of proanthocyandin and composition containing the same
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United States of America Patent
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Issued Date -
Aug 9, 2007
app pub date -
Dec 24, 2004
filing date -
Mar 15, 2004
priority date (Note) -
Abandoned
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Abstract
The present invention provides a water-soluble conjugate consisting of proanthocyanidins and a peptide containing three or more amino acids. Preferably, the average molecular weight of the peptide is not more than 7,000. The water-soluble conjugate of the present invention provides proanthocyanidins having a high protective stability and retained or increased bioactivities. Namely, it does not cause precipitation even in a long-term storage and can be transported into the body while maintaining the bioactivities.
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