Table 3. Correlation analysis between phytochemicals and biological activities using Pearson correlation coefficient (PCC).
| Variables | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
|---|---|---|---|---|---|---|---|
| DPPH | 0.708 | 0.632 | 0.801* | 0.800* | 0.701 | 0.499 | 0.401 |
| ABTS | 0.537 | 0.496 | 0.608 | 0.606 | 0.488 | 0.352 | 0.754* |
| FRAP | 0.769* | 0.778** | 0.747* | 0.746* | 0.652 | 0.547 | 0.764* |
| α-glucosidase | 0.624 | 0.645 | 0.609 | 0.608 | 0.452 | 0.266 | 0.815* |
| α-amylase | 0.679 | 0.683 | 0.672* | 0.671* | 0.569 | 0.507 | 0.725 |
| Lipase | 0.725 | 0.756* | 0.677* | 0.676* | 0.586 | 0.562 | 0.750 |
| vesp-AGE | 0.709 | 0.722 | 0.687* | 0.686* | 0.586 | 0.519 | 0.734 |
| pent-AGE | 0.708 | 0.721 | 0.686* | 0.685* | 0.586 | 0.519 | 0.734 |
(1): Coumarin; (2): Luteolin; (3): Eclalbatin; (4): demethylWedelolactone; (5): Wedelolactone; (6): β-amyrin; (7): Stigmasterol; Significance level:
* p < 0.05;
** p < 0.01;
*** p < 0.001.