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Copyright ©The Author(s) 2022.
World J Gastrointest Oncol. Jun 15, 2022; 14(6): 1115-1123
Published online Jun 15, 2022. doi: 10.4251/wjgo.v14.i6.1115
Table 1 Fruits and vegetables are rich sources of flavonoids and other polyphenols
Class of polyphenol
Representative compounds
Food sources
Flavonol1(+)-Catechin; (-)-Epicatechin Epigallocatechin gallateCocoa, green tea
Flavone1Luteolin, Apigenin, ChrysinParsley, red peppers
Flavonol1Quercetin, Rutin, KaempferolOnions, broccoli, apples
Flavanone1Naringin, Naringenin, HesperidinCitrus fruits
Isoflavones1Genistein, DaidzeinSoybean
Anthocyanidin1Cyanidin, Delphinidin, PelargonidinBlueberries, raspberries
CurcuminoidCurcuminTurmeric
StilbeneResveratrolRed grapes