Definition of "flavanol" [flavanol]

• Any of a class of flavonoids that use the 2-phenyl-3,4-dihydro-2H-chromen-3-ol molecular skeleton (noun)

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• "Rich with a phytochemical called flavanol, found by a 2005 study in the Journal of the American College of Cardiology to improve cardiovascular health, chocolate with at least 60% cocoa content should be a regular on your shopping list."
• "This time they gave volunteers a piece of chocolate, and told them that an ingredient in cocoa, called flavanol, was known to enhance mental acuity."
• "Future studies should focus on the optimal daily dose of flavanol, researchers said."