Table 3.
Polyphenol composition, obtained by Ultra Pressure Liquid Chromatography (UPLC), of the three PF extracts of Ogliarola, Ravece and Ruvea antica EVOOs. The data are reported as percentage of total polyphenols.
| Polyphenols (%) | ‘Ogliarola’ | ‘Ravece’ | ‘Ruvea Antica’ |
|---|---|---|---|
| Gallic acid | 0.00 | 0.00 | 0.00 |
| 3 Hydroxytirosol | 1.86 | 0.43 | 1.10 |
| Catechin | 1.08 | 0.00 | 0.43 |
| p-Coumaric acid | 0.00 | 0.28 | 0.11 |
| Quercetin-4-glucoside (spiraeoside) | 9.48 | 0.00 | 5.75 |
| Oleuropein | 15.77 | 5.92 | 12.82 |
| Dadzein | 4.13 | 0.00 | 2.36 |
| Luteolin | 0.00 | 6.22 | 1.57 |
| Quercetin | 24.06 | 18.03 | 10.61 |
| Apigenin | 0.00 | 0.00 | 3.18 |
| Naringenin | 3.99 | 6.57 | 6.49 |
| Formononentin | 4.45 | 4.81 | 2.27 |