Sinecatechins
Sinecatechins (USAN, trade names Veregen and Polyphenon E) is a specific water extract of green tea leaves from Camellia sinensis that is the active ingredient in an ointment approved by the FDA in 2006 as a botanical drug to treat genital warts.
Sinecatechins are mostly catechins, 55% of which is epigallocatechin gallate. It was the first botanical drug approved by the US FDA.
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