Method for separating and concentrating bioactive phenolics
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United States of America Patent
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Mar 26, 2013
Grant Date -
Mar 29, 2012
app pub date -
Sep 23, 2010
filing date -
Sep 23, 2010
priority date (Note) -
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Abstract
A method for physical separation and purification of bioactive phenolics from fruits, berries and vegetables by subjecting a fruit, berry or vegetable extract solution having a Brix of from about 1 to about 4 to ultrafiltration using an about 2,000-6,000 Dalton cutoff ultrafiltration membrane under a pressure of about 30-120 psi, and a temperature of about 80-110° F. This is followed by subjecting the resulting retentate to diafiltration-ultrafiltration with the addition of water, using an about 2,000-6,000 Dalton cutoff ultrafiltration membrane under a pressure of about 30-120 psi, and a temperature of about 80-110° F., and recovering the diafiltered retentate or the bioactive phenolic containing solids thereof.
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