Table 4.
Correlation between total phenolic content (TPC), antioxidant activity and toxicity
| Parameters | DPPH | Reducing ability | β-Carotene-linoleic acid | TPC | Toxicity |
|---|---|---|---|---|---|
| DPPH | – | 0.990 | 0.996 | 0.981 | 0.008 |
| Reducing ability | 0.990 | – | 0.990 | 0.992 | 0.010 |
| β-Carotene-linoleic acid | 0.996 | 0.990 | – | 0.996 | 0.012 |
| TPC | 0.981 | 0.992 | 0.996 | 0.998 | 0.014 |
| Toxicity | 0.008 | 0.010 | 0.012 | 0.014 | – |