| Class | Flavonoid | Dietary source | References |
| Flavanol | (+)-Catechin (ā)-Epicatechin Epigallocatechin | Tea | [14] | Flavone | Chrysin, apigenin Rutin, luteolin, and luteolin glucosides | Fruit skins, red wine, buckwheat, red pepper, and tomato skin | [15ā18] | Flavonol | Kaempferol, quercetin, myricetin, and tamarixetin | Onion, red wine, olive oil, berries, and grapefruit. | [17] | Flavanone | Naringin, naringenin, taxifolin, and hesperidin | Citrus fruits, grapefruits, lemons, and oranges | [19, 20] | Isoflavone | Genistin, daidzin | Soyabean | [21] | Anthocyanidin | Apigenidin, cyanidin | Cherry, easberry, and strawberry | [17, 18] |
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