List of major classes and subclasses of phytochemicals and other sources

Major classSubclassCompoundsSource
Polyphenols-flavonoidsFlavanolsCatechins, proanthocyanidins, epigallocatechinApricots, apples, peaches, green tea, and chocolate
FlavonolsKaempferol, quercitinBroccoli, onions, radish, and blueberries
FlavonesLuteolin, apigeninCelery, lettuce, and capsicum peppers
IsoflavonesGenistein, daidzeinSoya and its processed products
FlavanonesHesperetin, naringeninCitrus fruits like oranges and grapefruits
AnthocyanidinCyanidin, delphinidinRed wine, berry fruits, and colored fruits
Polyphenols-non-flavonoidsLignansPinoresinolFlaxseeds and sesame seeds
StilbenesResveratrolGrapes, pomegranate, berries
Phenolic acidsFerulic acid, caffeic acid, ellagic acid, vanillic acidCoffee, berries, onions, cereals, and legumes
CurcuminsCurcumin, demethoxycurcumin, cyclic curcuminRhizomes of turmeric
SaponinsCycloartane saponinsUttroside B, timosaponin A-IIIMedicinal plants
Dammarane saponins
Oleananes
Spirostanes
Furostanes
TerpenesMonoterpenoidsThymoquinoneNigella sativa
DiterpenoidsPaclitaxelBark of the Pacific yew tree
TriterpenoidsUrsolic acidMarjoram leaves, oregano leaves, rosemary, and wax layer of edible fruits
CucurbitacinCucurbitaceae plants
AlkaloidsTryptanthrinBacteria, fungi, and plants like Couroupita guianensis, Wrightia tinctoria
CepharanthineStephania tubers
OxysophocarpineRobinia genus plants
Miscellaneous compoundsOrganosulfur compoundsSulforaphane, allicin, isothiocyanatesGarlic, onions, and cruciferous vegetables like broccoli, cauliflower, and cabbage
PolysaccharidesPectinCitrus fruits and apples