A green tea polyphenol, (−)-epigallocatechin-3-gallate, induces apoptosis of human heptocellular carcinoma, possibly through inhibition of Bcl-2 family proteins. - Nishikawa,T.; Nakajima,T.; Moriguchi,M.; Jo,M.; Sekoguchi,S.; Ishii,M.; Takashima,H.; Katagishi,T.; Kimura,H.; Minami,M.; Itoh,Y.; Kagawa,K.; et al. (J Hepatol, 2006)