Table 1.
Antioxidant activity [mM Trolox equivalents (TE) g−1] of pistachio extracts, as affected by rootstock and irrigation treatment.
| Figure | ABTS | FRAP | DPPH |
|---|---|---|---|
| (mM TE g−1) | |||
| ANOVA 1 | |||
| Rootstock | *** | *** | *** |
| Irrigation | *** | ** | *** |
| Rootstock × Irrigation | *** | ** | ** |
| Tukey multiple range test 2 | |||
| Rootstock | |||
| P. atlantica | 2.80 c | 1.23 b | 5.44 ab |
| P. integerrima | 3.23 b | 1.37 a | 5.07 b |
| P. terebinthus | 3.67 a | 1.32 a | 5.63 a |
| Irrigation | |||
| T0 | 2.86 b | 1.29 b | 4.59 c |
| T1 | 2.96 b | 1.37 a | 5.13 b |
| T2 | 3.92 a | 1.29 b | 6.41 a |
| Rootstock × Irrigation | |||
| P. atlantica × T0 | 2.37 d | 1.24 ab | 4.83 d |
| P. atlantica × T1 | 2.61 d | 1.34 a | 6.07 b |
| P. atlantica × T2 | 3.41 b | 1.10 b | 5.42 c |
| P. integerrima × T0 | 2.95 cd | 1.36 a | 4.43 e |
| P. integerrima × T1 | 2.90 cd | 1.41 a | 4.42 e |
| P. integerrima × T2 | 3.94 ab | 1.37 a | 6.36 b |
| P. terebinthus × T0 | 3.24 bc | 1.28 a | 4.51 e |
| P. terebinthus × T1 | 3.36 bc | 1.39 a | 4.89 d |
| P. terebinthus × T2 | 4.40 a | 1.26 a | 7.47 a |
| Pooled variance | 0.32 | 0.15 | 0.22 |
1. NS: not significant at p < 0.05; **, and ***, significant at p < 0.01, and 0.001, respectively. 2. Values (mean of three replications) followed by the same letter, within the same column and factor, were not significantly different (p < 0.05), Tukey’s least significant difference test.