Table 6.
Correlation coefficients between the data obtained from different assays
|
Evaluation
method |
Total bioactive component | Antioxidant activity | Enzyme inhibitory activity | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| TPC | TFC | TAC | DPPH | FRAP | IT 50 | EC 50 | AAI | AChEI | |||
| TPC | 1 | - | - | - | - | - | - | - | - | ||
| TFC | 0.767* | 1 | - | - | - | - | - | - | - | ||
| TAC | -0.799** | -0.679* | 1 | - | - | - | - | - | - | ||
| DPPH | -0.841** | -0.917** | 0.662ns | 1 | - | - | - | - | - | ||
| FRAP | 0.802** | 0.932** | -0.663ns | -0.918** | 1 | - | - | - | - | ||
| IT50 | -0.831** | -0.928** | 0.691* | 0.951** | -0.972** | 1 | - | - | - | ||
| EC50 | -0.750* | -0.926** | 0.533ns | 0.944** | -0.944** | 0.959** | 1 | - | - | ||
| AAI | -0.915** | -0.930** | 0.810** | 0.937** | -0.916** | 0.939** | 0.905** | 1 | - | ||
| AChEI | -0.787* | -0.942** | 0.555ns | 0.953** | -0.961** | 0.969** | 0.982** | 0.904** | 1 | ||
*Correlation is significant at the 0.05 level (2-tailed); **Correlation is significant at the 0.01 level (2-tailed); ns, not significant