The cytotoxic effect of extract of camellia ptilophylla chang(ECPC)and extract of Camellia sinensis(ECS) on HeLa cell line, poorly differentiated nasopharyng-eal carcinoma cell line (CN E2) and gastric cancer cell line (MGC- 803 ) in vitro was studied usling MTT assay methed The results showed that ECPC and ECS possess significant cytotoxic effect on above three cell lines. The anticanccer test in mice showed that ECPC has marked inhibitory effect against Ehrlich solid carcinoma (ESC) with inhibition rates ...