Process for the production of (-)-epigallocatechin gallate
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United States of America Patent
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Mar 14, 2006
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N/A
app pub date -
Sep 18, 2002
filing date -
Aug 16, 1999
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Abstract
A process is provided for making (-)-epigallocatechin gallate (EGCG) by subjecting a green tea extract to chromatography on a macroporous polar resin, eluting EGCG from the resin with a polar elution solvent, optionally concentrating the eluate, optionally regenerating the resin by desorbing the remaining catechins, and optionally concentrating the desorbed catechins.
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