6Yang C J, Li D X, Wan X C. Combination of HSCCC and Sephadex I.H 20 methods an approach to isolation and purification of the main individual theaflavins from black tea. [J]. J ChromatogrB, 2008, 861:140 144.
7Yang Z Y, TuY Y, Jie G L. Radical scavenging abilities and antioxidant properties of theaflavins and their gallate esters in H2O2 mediated oxidative damage system in the HPF -1 cells [J]. Toxieol in vitro, 2009, 22:1250 1256.
8Wang K B, Liu Z H, Huang J A, etal. Preparative isolation and purification of theaflavins and catechins by high-speed countercurrent chromatography [J]. J Chrornatography B, 2008, 867:282- 286.
9Eng,Qing,Torii,et al.Black tea polyphenols,theaflavins,prevent celluar DNA damige by inhibiting oxidative stress and suppressing cytochrome P450 1A1 in cell cultures[J].Journal of Agricultrual and food chemistry,2002,50(1):213~220.
10LK Leung,Y Su,R Chen,et al.Theaflavins in black tea and catechins in green tea are equally effective antionxidants[J].Journal of Nutrition,2001,131(9):2248~2251.