| Variable | Partial Wilks’ Lambda | F | p-value | Tolerance |
| Apigenin | 0.159 | 229.359 | <0.0001 | 0.083 |
| Quercetin | 0.209 | 164.243 | <0.0001 | 0.184 |
| Luteolin | 0.216 | 157.454 | <0.0001 | 0.166 |
| Kaempferol | 0.390 | 68.095 | <0.0001 | 0.052 |
| Naringenin | 0.403 | 64.571 | <0.0001 | 0.165 |
| Vitexin | 0.422 | 59.584 | <0.0001 | 0.064 |
| Rutin | 0.461 | 50.813 | <0.0001 | 0.382 |