Table 1.
Intra-day and inter-day analytical validations of gastrodin and 4-hydroxybenzyl alcohol (4-HBA) in rat plasma.
| Spiked Concentrations (µg/mL) | Intra-day (n = 5) | Inter-day (n = 5) | |||
|---|---|---|---|---|---|
| Accuracy % | CV % | Accuracy % | CV % | ||
| Gastrodin | 0.01 | 97.0 ± 10.5 | 10.8 | 106.6 ± 13.2 | 12.4 |
| 0.1 | 94.3 ± 4.5 | 4.8 | 93.4 ± 6.1 | 6.6 | |
| 1 | 101.6 ± 4.8 | 4.7 | 98.5 ± 3.8 | 3.9 | |
| 20 | 93.5 ± 5.8 | 6.2 | 94.6 ± 3.1 | 3.3 | |
| 4-HBA | 0.1 | 106.0 ± 7.8 | 7.4 | 115.0 ± 2.8 | 2.5 |
| 1 | 102.7 ± 1.5 | 1.5 | 99.0 ± 4.2 | 4.3 | |
| 5 | 105.0 ± 8.3 | 7.9 | 94.1 ± 4.4 | 4.6 | |
| 10 | 109.7 ± 8.4 | 7.6 | 112.2 ± 3.3 | 3.0 | |