Table 5.
Pearson’s correlation (R) values between total phenolic, flavonoid content, and antioxidant assays.
| TPC | TFC | DPPH | ABTS | CUPRAC | FRAP | MCA | PBD | |
|---|---|---|---|---|---|---|---|---|
| TPC | 1.00 | 0.85 | 0.99 | 0.98 | 0.99 | 0.99 | −0.71 | 0.99 |
| TFC | 0.85 | 1.00 | 0.90 | 0.93 | 0.91 | 0.90 | −0.28 | 0.89 |
| DPPH | 0.99 | 0.90 | 1.00 | 1.00 | 1.00 | 1.00 | −0.64 | 0.99 |
| ABTS | 0.98 | 0.93 | 1.00 | 1.00 | 1.00 | 0.99 | −0.58 | 0.99 |
| CUPRAC | 0.99 | 0.91 | 1.00 | 1.00 | 1.00 | 1.00 | −0.61 | 0.99 |
| FRAP | 0.99 | 0.90 | 1.00 | 0.99 | 1.00 | 1.00 | −0.63 | 0.99 |
| MCA | −0.71 | −0.28 | −0.64 | −0.58 | −0.61 | −0.63 | 1.00 | −0.65 |
| PBD | 0.99 | 0.89 | 0.99 | 0.99 | 0.99 | 0.99 | −0.65 | 1.00 |
CA: Metal chelating assay; PBD: Phosphomolybdenum.