TABLE 1.
The concentration of representative phenolic compounds in different parts and different forms.
| Compound | Different forms | |||
|---|---|---|---|---|
| Dried apple pomace (mg/kg) | Whole apple (mg/kg) | Fresh juice (mg/L) | Commercial juice (mg/L) | |
| Nonflavonoid | ||||
| Caffeic acid | 3–280 | 15–2960 | ||
| p‐Coumaric acid | 4–260 | |||
| Chlorogenic acid | ||||
| Flavonoid | ||||
| Flavan‐3‐ol | 4622–25,480 | 50–393 | 14–124 | |
| (+)‐Catechin | 1–127 | |||
| (−)‐Epicatechin | 4.2–640 | 69–2760 | ||
| Procyanidin B2 dimer | 48.8–590.2 | 69–2000 | ||
| Flavonol | 80–1660 | 0.4–27 | 4–14 | |
| Quercetin | 69–373.8 | |||
| Dihydrochalcone | 49–434 | 10–171 | 9–87 | |
| Phloridzin | 8–1435.4 | |||
| Anthocyanidin | 10–551 | |||