Method of producing high flavonol content polyphenol compositions
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United States of America Patent
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May 29, 2001
Grant Date -
N/A
app pub date -
May 14, 1999
filing date -
Sep 20, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Disclosed is a method of producing a polyphenol-containing composition derived from grapes, the method including: preparing a liquid grape extract which includes polyphenols; contacting the liquid extract with a separation medium which fractionates the components of the extract; and recovering that fraction in which the polyphenols are present. Also disclosed is a method of enriching the composition with added flavonol.
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