Research Article
Pharmacokinetics of Veratramine and Jervine from Alcohol Extracts of Radix Veratri
Table 4
Stability of plasma samples before treatment.
| | Compound | Conditions | | Room temperature 20 h | -20°C 20 h | -20°C 34 d | -20°C 34 d freeze-thaw three times | | Accuracy | RSD% | Accuracy | RSD% | Accuracy | RSD% | Accuracy | RSD% |
| | VER | 7.41% | 8.62% | 8.15% | 12.67% | 2.59% | 10.47% | -5.92% | 7.48% | | 3.52% | 5.66% | 3.52% | 10.19% | -3.52% | 10.12% | -1.17% | 6.72% | | 2.80% | 10.48% | 10.49% | 12.53% | 10.49% | 11.93% | -1.40% | 5.53% |
| | JER | 7.91% | 4.16% | 14.87% | 10.22% | -4.11% | 10.59% | 0.63% | 8.43% | | -0.21% | 4.80% | -0.52% | 11.66% | -2.06% | 5.78% | -3.61% | 7.70% | | -1.10% | 14.28% | 2.35% | 11.40% | -7.46% | 4.10% | -5.39% | 5.08% |
|
|
