Table 5.
Pearson correlation analysis between main chemical compositions and antioxidant activity of ZEF, ZBF, and ZWF
| Main chemical composition | DPPH scavenging ability |
ABTS scavenging ability |
FRAP value |
|||
| Pearson correlation | P value | Pearson correlation | P value | Pearson correlation | P value | |
| Total phenolic content | 0.80** | 0.00 | 0.64** | 0.00 | 0.94** | 0.00 |
| Total flavonoid content | 0.80** | 0.00 | 0.64** | 0.00 | 0.94** | 0.00 |
| Procyanidin content | 0.80** | 0.00 | 0.67** | 0.00 | 0.90** | 0.00 |
| Sugar content | 0.27 | 0.27 | 0.44 | 0.07 | 0.34 | 0.17 |
| Protein content | 0.75** | 0.00 | 0.69** | 0.00 | 0.90** | 0.00 |
| Amino acid content | 0.24 | 0.34 | 0.50* | 0.04 | 0.40 | 0.10 |
P<0.05,
P<0.01