Effects of Green Tea Catechins on Cytochrome P450 2B6, 2C8, 2C19, 2D6 and 3A Activities in Human Liver and Intestinal Microsomes. Drug Metab Pharmacokinet 8 January Jan 2013 13 years ago Misaka S, Kawabe K, Onoue S, Werba JP, Giroli M, Tamaki S, Kan T, Kimura J, Watanabe H, Yamada S http://www.ncbi.nlm.nih.gov/pubmed?term=23268924