Table 3.
Precision, stability, repeatability and accuracy of nine analytes.
| Analytes | Precision | Repeatability | Stability | Recovery | |||
|---|---|---|---|---|---|---|---|
| Intra-Day RSD% (n = 6) | Inter-Day RSD% (n = 3) | Mean Concentration (mg·g–1) |
RSD% (n = 6) |
RSD% (n = 6) |
Average Recovery (%) |
RSD% | |
| Coptisine | 0.4 | 0.8 | 14.89 | 0.9 | 1.7 | 95.83 | 1.8 |
| Epiberberine | 0.5 | 0.6 | 10.92 | 1.6 | 1.7 | 101.47 | 2.0 |
| Columbamine | 14 | 1.4 | 6.56 | 0.8 | 0.8 | 93.70 | 0.6 |
| Jatrorrhizine | 0.6 | 1.6 | 3.54 | 0.8 | 1.5 | 93.28 | 0.8 |
| Berberine | 04 | 0.7 | 41.54 | 1.1 | 1.3 | 95.19 | 1.7 |
| Palmatine | 0.5 | 0.7 | 12.47 | 2.0 | 1.2 | 97.72 | 1.8 |
| Dehydroevodiamine | 1.9 | 1.7 | 1.54 | 1.6 | 1.6 | 97.05 | 1.5 |
| Evodiamine | 0.9 | 1.6 | 0.94 | 1.3 | 1.6 | 92.94 | 1.9 |
| Rutaecarpine | 2.0 | 1.3 | 0.39 | 1.4 | 1.4 | 99.94 | 1.3 |