Table 2.
The accuracy, precision (Relative standard deviation, RSD), linearity, lower limit of detection (LLOD), and lower limit of quantitation (LLOQ) of astilbin and neoastilbin in rat plasma (~100 ng/mL). (n = 3).
| Compound | Migration Time (RSD,%) | Peak Area Ratio (RSD,%) | Accuracy (%) | Regression Equation | Linear Range (ng/mL) | Linearity (R) | LLOD (ng/mL) | LLOQ (ng/mL) | |||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Intra-Day | Inter-Day | Intra-Day | Inter-Day | Intra-Day | Inter-Day | ||||||
| Astilbin | 0.34 | 0.21 | 1.49 | 3.71 | 94.56 | 92.75 | Y = 2.324X | 17.3–1105 | 0.9915 | 4.8 | 16.3 |
| Neoastilbin | 0.35 | 0.23 | 7.78 | 4.23 | 96.15 | 91.27 | Y = 2.189X | 31.6–1010 | 0.9975 | 5.3 | 17.5 |