Extraction and intensification of anthocyanins from grape pomace and other material
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United States of America Patent
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Jun 5, 1984
Grant Date -
N/A
app pub date -
May 17, 1982
filing date -
May 17, 1982
priority date (Note) -
Expired
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Abstract
Extracting anthocyanin-containing pulp from a vegetable source with sulfur dioxide to form an extract, treating the extract with enzymes to reduce suspended solids, reducing the sulfur dioxide content of the extract, acidifying and recovering the anthocyanin by ion exchange resin.
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