Table 1.
Classification of apple phenolics.
| Phenolics Group | Phenolic Subgroup | Phenolic Compounds |
|---|---|---|
| Flavonoids | Anthocyanidins | Cyanidin 3-O-arabinoside |
| Cyanidin 3-O-galactoside | ||
| Cyanidin 3-O-xyloside | ||
| Cyanidin 3-O-xylgalactoside | ||
| Flavonols | Quercetin | |
| Quercetin 3-arabinopyranoside | ||
| Quercetin-3-arabinofuranoside | ||
| Quercetin 3-galactoside | ||
| Quercetin 3-glucoside | ||
| Quercetin 3-rhamnoside | ||
| Quercetin 3-rutinoside | ||
| Quercetin 3-xyloside | ||
| Dihydrochalcones | Phloretin | |
| Phloretin-2′-O-xyloglucoside | ||
| Phloridzin | ||
| 3-hydroxyphloridzin | ||
| Flavan-3-ols | Monomeric | |
| (+)-Catechin | ||
| (−)-Epicatechin | ||
| Oligomeric (Procyanidins) | ||
| Procyanidin B1 | ||
| Procyanidin B2 | ||
| Procyanidin B5 | ||
| Procyanidin B7 | ||
| Procyanidin C1 | ||
| Phenolic acids | Chlorogenic acid Hydroxy benzoic acid Hydroxy cinnamic acid |