Table 3.
Phenolic compounds profile (mg/kg) of vegetable dietary fibre concentrate (DFC).
| ARTICHOKE DFC | RED PEPPER DFC |
CUCUMBER DFC | CARROT DFC |
|
|---|---|---|---|---|
| PHENOLIC ACIDS | ||||
| Caffeic acid | 551.5 ± 5.3 | 0.55 ± 0.06 | nd | 6.6 ± 0.4 |
| Chlorogenic acid | 1801.6 ± 34.8 | 2.8 ± 0.1 | 3.8 ± 0.2 | 178.4 ± 16.0 |
| p-Coumaric acid | 1.3 ± 0.1 | 2.8 ± 0.1 | 0.36 ± 0.06 | 0.07 ± 0.01 |
| 3,5 Dicaffeoyl quinic acid | 5478.6 ± 46.4 | 0.41 ± 0.02 | 0.31 ± 0.03 | 3.7 ± 0.1 |
| Ferulic acid | 3.8 ± 0.2 | 10.9 ± 1.1 | 1.8 ± 0.1 | 1.5 ± 0.1 |
| Gallic acid | 13.7 ± 0.6 | nd | nd | 0.51 ± 0.03 |
| Protocatechuic acid | 320.5 ± 7.5 | 4.3 ± 0.4 | 0.50 ± 0.0 | 10.9 ± 1.1 |
| p-Salicylic acid | 2.48 ± 0.04 | 0.92 ± 0.03 | 11.3 ± 0.6 | 0.31 ± 0.02 |
| o-Salicylic acid | 7.34 ± 0.19 | 5.1 ± 0.2 | 3.6 ± 0.1 | 12.9 ± 0.4 |
| Vanillic acid | 4.7 ± 0.1 | 3.0 ± 0.0 | 0.34 ± 0.04 | 2.2 ± 0.4 |
| Syringic acid | nd | 0.57 ± 0.05 | nd | nd |
| Total phenolic acids | 8185.3 | 31.3 | 22.0 | 217.1 |
| FLAVANONES | ||||
| Eriodictyol | 1.6 ± 0.1 | nd | nd | nd |
| Eriodictyol-7-O-rutinoside | 1.3 ± 0.1 | 41.2 ± 2.4 | 0.46 ± 0.01 | nd |
| Hesperitin-7-rutinoside | 4.3 ± 0.2 | 104.9 ± 3.3 | 136 ± 21 | 0.11 ± 0.00 |
| Naringenin 7-O-neohesperidoside | 0.96 ± 0.04 | 2.1 ± 0.1 | nd | nd |
| Naringenin-7-O-rutinoside | 0.75 ± 0.03 | 1.9 ± 0.1 | 8.6 ± 0.1 | nd |
| Total flavanone | 8.9 | 149.9 | 145.6 | 0.11 |
| FLAVONES | ||||
| Luteolin | 38.4 ± 1.1 | 0.24 ± 0.02 | nd | nd |
| Luteolin-7-O-glucoside | 105.2 ± 5.5 | 1.3 ± 0.1 | nd | 0.17 ± 0.01 |
| Luteolin-8-C-glucoside | nd | 9.5 ± 0.1 | nd | nd |
| Tangeretin | nd | nd | 0.25 ± 0.01 | nd |
| Apigenin-8-C-glucoside | nd | 0.50 ± 0.14 | 0.43 ± 0.00 | nd |
| Apigenin 6,8-di-C-glucoside | 1.5 ± 0.1 | 9.4 ± 0.1 | 1.3 ± 0.1 | nd |
| Total flavone | 145.1 | 20.9 | 2.0 | 0.17 |
| FLAVONOLS | ||||
| Quercetin | nd | 2.1 ± 0.1 | 2.4 ± 0.2 | nd |
| Quercetin-3-O-galactoside | 0.18 ±0.00 | nd | 6.4 ± 0.4 | nd |
| Quercetin-3-O-glucopyranoside | 0.38 ± 0.01 | 1.8 ± 0.2 | 1.6 ± 0.5 | nd |
| Quercetin-3-L-rhamnoside | 0.16 ± 0.01 | 95.0 ± 4.7 | 5.4 ± 0.1 | nd |
| Rutin | 0.42 ± 0.01 | 0.82 ± 0.01 | 0.61 ± 0.02 | nd |
| 3-O-Methylquercetin 3-rutinoside | nd | 1.3 ± 0.1 | nd | nd |
| trans-Dihydroquercetin | 0.25 ± 0.01 | nd | nd | nd |
| Total flavonol | 1.39 | 101.0 | 16.5 | nd |
| OTHER PHENOLIC COMPOUNDS |
||||
| Isorhamnetin-3-O-glucoside | nd | 0.90 ± 0.05 | nd | nd |
| Phloridzin | nd | 0.25 ± 0.01 | 9.6 ± 0.1 | nd |
| TOTAL PHENOLIC COMPOUNDS |
8340.7 | 304.4 | 195.7 | 217.4 |
nd: no detectable.