As intermediates of medicine:
Numerous studies have found that TFs have effects of anti-oxidation, anti-cancer, scavenging or inhibiting free radicals. TFs are also shown to slowdown tumor spreading, decreasing blood thickness and preventing heart diseases. TFs are more efficient than tea catechins in regulating fat metabolism and improving blood circulation. TFs have also been shown to improve immune system function and have anti-inflammation effect. In addition, TFs can help repair the damage caused by smoking by increasing the body抯 ability to degrade and eliminate the harmful components in smoking. Theaflavins and gallates are also inhibitors of HIV reverse transcriptase and other DNA and RNA polymerases.
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