Benefits of Polyphenols


Polyphenols are chemicals found in plants that are believed to have important health benefits, according to the American Cancer Society. Some evidence exists that polyphenols help prevent health dangers such as cancer, high blood pressure, heart disease and diabetes. Foods high in beneficial polyphenols include red cabbage, berries, red and purple grapes, broccoli, radishes, tea and apples. So far, there is no conclusive research about the benefits of polyphenols. Experts advise consuming a balanced diet rich in fruits, beans and vegetables.

Possible Cancer-Fighting Benefits

Berries–especially raspberries and strawberries–are rich in a polyphenol called ellagic acid, according to the American Institute for Cancer Research, or AICR. In laboratory studies, ellagic acid prevented cancers of the bladder, lung, breast, esophagus and skin. Ellagic acid fought cancer by deactivating certain cancer-causing substances and slowing cancer cell reproduction. Grapes and grape juice, garlic and green tea are also thought to contain polyphenols that prevent certain cancers, the AICR says.

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