Table 3.
Method validation parameters of leonurine in Leonurus sibiricus extract
| Parameters | Validity |
|---|---|
| Linearity range (µg/mL) | 20-100 |
| Coefficient of determination (R2) | 0.9995 |
| Linear regression equation (y) | 0.0871x+0.9537 |
| Precision: Repeatability (average % RSD) | 2.97 |
| Precision: Intermediate precision (average % RSD) | 3.16 |
| LOD (µg/mL) | 1.59 |
| LOQ (µg/mL) | 4.82 |
| Accuracy (average % recovery) | 99.54 |
| Robustness (average % RSD) | 2.38 |
LOD: Limit of detection, LOQ: Limit of quantification, RSD: Relative standard deviation