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Validation parameters of the HPLC method for analysis of silymarin components.
| Validation parameter | Value |
|---|---|
| Linear range (mg/ml) | 0.003–0.630 |
| Regression equation | Y = [2.10^(−07)]X−0.066 |
| Regression coefficient | 0.999 |
| LOQ (mg/ml) | 0.003 |
| LOD (μg/ml) | 0.005 |
| Precision (repeatability RSD%, n = 3) | |
| Intra-day | 0.216 |
| Inter-day | 2.785 |
| Accuracy (recovery%) | |
| Medium concentration | 94.797 |
| High concentration | 93.490 |
