7Wei L, Wu JQ, Tu YY. Synergistic effects of tea polyphenols and ascorbic acid on human lung adenocarcinoma SPC-A-1 cells [ J ]. Zhejiang Univ-Sci B (Biomed & Biotechnol). 2010, 11 (6) : 458 -464.
8Yang ZY, Jie GL, Dong F, Xu Y, Watanabe N, Tu YY. Radical- scavenging abilities and antioxidant properties of theaflavins and their gallate esters in I-I2 02 -mediated oxidative damage system in the HPF- 1 cells[J]. Toxicology in Vitro. 2008, 22(5) : 1250-1256.