Table 1 Accuracy determination by method validation (n = 3)
Added conc. ratio | Measured conc. in capsule (μg/mL) | Added conc. (μg/mL) | Measured total conc. (μg/mL) | Recovery | |
|---|---|---|---|---|---|
Mean (%) (95% CI*) | RSD (%) | ||||
5% | 495.8 | 24.4 | 524.4 | 100.1 ± 0.7 | 0.7 |
495.6 | 519.5 | ||||
499.0 | 520.9 | ||||
10% | 495.8 | 48.8 | 543.0 | 99.9 ± 0.6 | 0.5 |
495.6 | 547.3 | ||||
499.0 | 545.6 | ||||
15% | 495.8 | 73.2 | 575.0 | 100.4 ± 0.9 | 0.8 |
495.6 | 572.4 | ||||
499.0 | 569.4 | ||||