sinecatechins
{{short description|Extract of green tea leaves}}
File:Camellia sinensis - Köhler–s Medizinal-Pflanzen-025.jpg.]]
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.{{cite web |url=http://www.accessdata.fda.gov/drugsatfda_docs/label/2007/021902s002lbl.pdf|archive-url=https://web.archive.org/web/20160201173810/http://www.accessdata.fda.gov/drugsatfda_docs/label/2007/021902s002lbl.pdf|url-status=dead|archive-date=February 1, 2016|title=Veregen label information|access-date=2015-05-02}}{{cite journal | vauthors = Masters KP | year = 2009 | title = New Drug Reviews: Sinecatechins (Veregen) for External Genital and Perianal Warts | url = http://www.aafp.org/afp/2009/1215/p1447.html | journal = Am Fam Physician | volume = 80 | issue = 12| pages = 1447–1454 }}{{cite journal | vauthors = Fürst R, Zündorf I | year = 2014| title = Plant-derived anti-inflammatory compounds: hopes and disappointments regarding the translation of preclinical knowledge into clinical progress | journal = Mediators Inflamm | volume = 2014 | page = 146832 | doi = 10.1155/2014/146832 | pmid = 24987194 | pmc = 4060065 | doi-access = free}} Sinecatechins are mostly catechins, 55% of which is epigallocatechin gallate.{{cite journal |vauthors=Mayeaux EJ, Dunton C |title=Modern management of external genital warts |journal=J Low Genit Tract Dis |volume=12 |issue=3 |pages= 185–192|date=July 2008 |pmid=18596459 |doi=10.1097/LGT.0b013e31815dd4b4 |s2cid=33302840 }} It was the first botanical drug approved by the US FDA.