8Shut H A J,R Yak.Tea as a potential chemo preventive agent in pulp carcinogenesis:effects of green tea and black tea on Pulp -DNA adduct formation in female F-344 rats[J].Nutr Cancer 2000,36:52-58.
9Tijburg L B M,T Mattern,J D Folts,et al.Tea flavonoids and cardiovascular diseases,a review[J].Crit Rev Food Sci Nutr,1997,37:761-770.