Table 11.
Interactions means ± SE for the effects of grape type and production system on TEAC in table grapes produced in the Mediterranean.
| Parameter | Factor 1 | Factor 2 | |
|---|---|---|---|
| Production System | |||
| Grape Type | Organic | Conventional | |
| Antioxidant activity (TEAC, µmol TE g−1) | White | 8.6 ± 1.0 a B | 5.6 ± 0.5 b B | 
| Red | 8.5 ± 0.8 a B | 8.7 ± 0.9 a A | |
| Black | 12.6 ± 2.0 a A | 11.1 ± 1.3 a A | |
TE, Trolox equivalent; For each parameter assessed means labeled with the same lower case letter within the same row and same capital letters within the same column are not significantly different (General Linear Hypothesis test p < 0.05).