Tea catechins and their applications as supplements and pharmaceutics.

Green tea polyphenols have been reported to have many beneficial health effects. This review describes the development of Polyphenon(®) E as a standardized green tea polyphenol preparation for many clinical trials and as an FDA-approved medication to treat genital warts. The procedures involving this process and the subsequent development of a similar product Theaphenon(®) E are discussed.