Certain foods are rich in polyphenols. Polyphenols exert an inhibitory effect on platelet aggregation.


Flavonoids are a type of polyphenol that are contained in plants, often imparting a yellow color. These include:

(1) anthocyanidin such as catechin and epicatechin

(2) flavanone

(3) flavone

(4) isoflavone

(5) chalcone

(6) aurone



(1) suppression of ADP-stimulated platelet activation

(2) suppression of epinephrine-stimulated platelet activation

(3) suppression of platelet microparticle formation


Foods containing polyphenols and flavonoids:

(1) wine

(2) grape juice

(3) chocolate and cocoa

(4) tea

(5) citrus fruits

(6) berries

(7) ginkgo biloba

(8) onions

(9) parsley


Within each food, certain types have higher levels of flavonoids such as dark chocolate, white or green tea and red wine.


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