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Dictionary of Cancer Terms

View in Spanish: Polyphenon E

Polyphenon E (PAH-lee-FEE-nun )
A substance being studied in the prevention of cancer. It is made from decaffeinated green tea, and contains chemicals called catechins, which are antioxidants. Also called green tea extract.

Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.