Table 6.
Phenolic compounds and DPPH antiradical activity of the EVOO abiotic fraction.
| Cultivar | Total Polar Phenols Content (mg CAE kg−1 oil) 2 |
Δ (%) 1 | DPPH Antiradical Activity (Antioxidant Activity, %) | Δ (%) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Control | Cotton | Cellulose | Cotton | Cellulose | Control | Cotton | Cellulose | Cotton | Cellulose | |
| Coratina | 679.98 ± 4.36 3,a | 589.82 ± 8.38 b | 391.94 ± 7.97 c | 13 | 42 | 97 ± 0.6 a | 80 ± 0.3 a,b | 60 ± 0.2 b | 18 | 46 |
| Nera di Colletorto | 330.88 ± 5.09 a | 308.48 ± 5.34 a,b | 216.02 ± 1.16 b | 7 | 35 | 52 ± 0.4 a | 43 ± 0.3 a | 33 ± 0.7 b | 17 | 42 |
1 Δ (%), reduction in total polar phenols and antiradical activity, respectively recorded in the filtered EVOO compared to the control; 2, CAE, caffeic acid equivalent; 3 Mean ± standard deviation (n = 3); different letters in the same line indicate significant difference, for each parameter, calculated using Duncan’s multiple-range test (p < 0.05).