Table 4.
Phenolic profile of the early harvest mono- and multi-varietal Extra-Virgin Olive Oils (EVOOs). For the meaning of each acronym, refer to Table 1.
| Phenolic Compounds | EHF | EHC | EHOC | EHMV | EHOMV |
|---|---|---|---|---|---|
| (mg/kg) | |||||
| Hydroxytyrosol | 0.89 ± 0.00 | 0.71 ± 0.67 | 2.32 ± 0.12 | 6.35 ± 0.22 | 11.44 ± 0.55 |
| Tyrosol | 4.20 ± 0.64 | 3.13± 0.41 | 1.71 ± 0.07 | 2.54 ± 0.39 | 5.59 ± 0.56 |
| Vanillic acid | 1.80 ± 0.15 | 2.29 ± 0.02 | 0.90 ± 0.06 | 2.01 ± 0.37 | 1.42 ± 0.10 |
| Vanillin | 3.28 ± 0.06 | 3.44 ± 0.27 | 4.26 ± 0.48 | 4.99 ± 0.41 | 4.84 ± 0.18 |
| 3,4-DHPEA-AC | 1.25 ± 0.16 | 1.78 ± 0.18 | 1.67 ± 0.25 | 3.43 ± 0.20 | 1.72 ± 0.12 |
| 3,4-DHPEA-EDA | 76.67 ± 5.83 | 56.57 ± 4.73 | 108.21 ± 9.56 | 102.44 ± 4.63 | 106.89 ± 12.58 |
| p-HPEA-EDA | 6.65 ± 0.97 | 7.42 ± 0.44 | 12.29 ± 1.22 | 10.98 ± 1.01 | 12.46 ± 0.62 |
| Oleuropein | 18.51 ± 1.61 | 6.61 ± 0.66 | 12.85 ± 1.91 | 10.01 ± 1.11 | 15.41 ± 1.47 |
| Lignans | 69.20 ± 1.77 | 79.90 ± 7.73 | 83.81 ± 1.91 | 111.17 ± 5.22 | 130.99 ± 9.72 |
| 3,4-DHPEA-EA | 7.98 ± 0.43 | 3.18 ± 0.12 | 9.18 ± 0.97 | 5.50 ± 0.12 | 8.84 ± 2.96 |
| Luteolin | 13.25 ± 1.98 | 4.67 ± 0.45 | 22.54 ± 2.91 | 11.76 ± 0.95 | 17.72 ± 1.26 |
| Apigenin | 5.47 ± 0.56 | 4.83 ± 0.24 | 3.39 ± 0.57 | 8.43 ± 1.24 | 8.87 ± 1.48 |
| Total | 209.15 | 174.53 *,$,§ | 263.13 * | 280.16 *,$ | 326.19 *,$,§,& |
* p < 0.001 vs. EHF; $ p < 0.001 vs. EHOC; § p < 0.001 vs. EHMV; & p < 0.001 vs. EHC.