Table 1.
Linear range, linear equation, determination coefficient, limit of detection (LOD) and limit of quantification (LOQ) for the analytes in serum samples.
| Compounds | Linear Range (ng/mL) | Linear Equation | Determination Coefficient (r2) | LOD (ng/mL) | LOQ (ng/mL) |
|---|---|---|---|---|---|
| CBD | 0–500 | y = 0.002x + 0.001 | 0.997 ± 0.002 | 0.17 | 1.0 |
| 7-COOH-CBD | 0–10,000 | y = 0.034x + 0.020 | 0.998 ± 0.001 | 0.72 | 20.0 |
| 7-OH-CBD | 0–500 | y = −7.119x + 0.009 | 0.999 ± 0.001 | 0.11 | 1.0 |
| 6-α–OH–CBD | 0–25 | y = 0.147x + 0.006 | 0.995 ± 0.005 | 0.04 | 0.5 |
| 6-β–OH–CBD | 0–25 | y = 0.047x + 0.014 | 0.999 ± 0.013 | 0.02 | 0.5 |
Abbreviations: CBD, cannabidiol; 7-COOH-CBD, cannabidiol-7-oic acid; 7-OH-CBD, 7-hydroxycannabidiol; 6-α–OH–CBD, 6-α-hydroxycannabidiol; 6-β–OH–CBD, 6-β-hydroxycannabidiol; LOD, limit of detection; LOQ, limit of quantification.