Flavones are phenolic structures containing one carbonyl group (as opposed to the two carbonyls in quinones). The addition of a 3-hydroxyl group yields a flavonol.35 Flavonoids are also hydroxylated phenolic substances but occur as a C6- C3 unit linked to an aromatic ring. Their activity is probably due to their ability to complex with extracellular and soluble proteins and to complex with bacterial cell walls. More lipophilic flavonoids may also disrupt microbial membranes.Flavonoid compounds exhibit inhibitory effects against multiple viruses
he intake of flavonols, Flavones and isoflavones by Japanese women was calculated from our food-phytochemical composition table
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