Table 3.
Pearson correlation coefficients between antioxidant activity, total flavonoids, and total phenol content of chestnuts and commercial feed used in the finishing diet of Celta pigs.
| ABTS | FRAP | TPC | TF | |
|---|---|---|---|---|
| Chestnut | ||||
| DPPH | −0.832 ** | 0.847 ** | 0.794 * | 0.895 ** |
| ABTS | −0.861 ** | −0.838 ** | −0.834 ** | |
| FRAP | 0.974 ** | 0.973 ** | ||
| TPC | 0.903 ** | |||
| Commercial Feed | ||||
| DPPH | 0.379 | 0.483 | 0.298 | −0.066 |
| ABTS | 0.432 | 0.960 ** | 0.061 | |
| FRAP | 0.358 | −0.413 | ||
| TPC | 0.092 | |||
TF: total flavonoids. TPC: total phenol content. * (P < 0.05); ** (P < 0.01).