Antibacterial and Sporicidal Activity Evaluation of Theaflavin-3,3'-digallate.

Theaflavin-3,3'-digallate (TFDG), a polyphenol derived from the leaves of , is known to have many health benefits. In this study, the antibacterial effect of TFDG against nine bacteria and the sporicidal activities on spore-forming spp. have been investigated.