Table 1.
Major classes of dietary phenolic compounds, skeleton structure thereof and common representatives.
| Class | Subclass | Skeleton Structure | Common Representatives |
|---|---|---|---|
| Flavonoids | Flavonols |
|
Kaempferol, quercetin |
| Flavan-3-ols |
|
Catechin, gallocatechin, epicatechin | |
| Flavones |
|
Luteolin, apingenin | |
| Isoflavones |
|
Genistein, daidzein | |
| Flavanones |
|
Naringenin, hesperetin | |
| Anthocyanidins |
|
Cyanidin, malvidin, delphinidin | |
| Dihydrochalcones |
|
Phloretin | |
| Non-Flavonoids | Phenolic acids—Hydroxybenzoic acids |
|
Gallic acid, p-hydroxybenzoic acid, vanillic acid, syringic acid, protocatechuic acid, ellagic acid |
| Phenolic acids—Hydroxycinnamic acids |
|
p-coumaric acid, caffeic acid, ferulic acid, sinapic acid, chlorogenic acid | |
| Stilbenes |
|
Resveratrol |