Table 3.
Correlation analysis between the grafting degree and the antioxidant activity of MRPs.
| Experiment index | DG | DB | Reducing power | DPPH radical scavenging activity | Hydroxyl radical scavenging activity |
|---|---|---|---|---|---|
| DG | 1 | 0.961∗∗ | 0.161 | 0.771∗∗ | 0.976∗∗ |
| DB | 1 | 0.127 | 0.826∗∗ | 0.975∗∗ | |
| Reducing power | 1 | -0.001 | 0.134 | ||
| DPPH radical scavenging activity | 1 | 0.779∗∗ | |||
| Hydroxyl radical scavenging activity | 1 |
∗Significant difference at P < 0.05. ∗∗Significant difference at P < 0.01.
Abbreviations: DB, degree of browning; DG, degree of grafting; DPPH, 2,2-diphenyl-1-picrylhydrazyl; MRP, Maillard reaction product.