Method for isolation of caffeine-free catechins from green tea
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United States of America Patent
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Apr 3, 2001
Grant Date -
N/A
app pub date -
Jan 7, 1999
filing date -
Jan 7, 1999
priority date (Note) -
Expired
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Abstract
The process of the present invention relates to the isolation and purification of caffeine-free mixtures catechins from various different biomass sources, preferably from green tea leaves. More particularly, the present invention relates to a four-step process whereby highly pure, caffeine-free EGCG is isolated in high yields. These catechins may be used in pharmaceutical, nutraceutical and cosmetic products.
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