Table 3.
Mean recovery data with the three extraction procedures.
| Extraction Procedure | Initial Content (mg/g ± SD) | Content Found after Addition (mg/g ± SD) | Recovery (%) (RSD, %) | ||
|---|---|---|---|---|---|
| DM | Spiked Level (0.2 mg/g) |
Spiked Level (1 mg/g) |
Spiked Level (0.2 mg/g) |
Spiked Level (1 mg/g) |
|
| CBG | n.d. | 0.17 ± 1.8 | 0.88± 3.5 | 85. 1 (4.9) | 88.0 (3.4) |
| CBD | 7.9 ± 1.4 | 6.8 ± 0.9 | 7.5 ± 1.5 | 86.1 (5.1) | 94.9 (2.9) |
| Δ9-THC | n.d. | 0.16 ± 4.8 | 0.92 ± 2.9 | 80.0 (3.2) | 92.0 (1.8) |
| UAE | |||||
| CBG | n.d. | 0.15 ± 4.4 | 0.85 ± 2.9 | 75.0 (3.8) | 85.0 (5.7) |
| CBD | 7.6 ± 2.3 | 6.1 ± 3.7 | 6.9 ± 2.1 | 80.2 (4.9) | 90.7 (2.8) |
| Δ9-THC | n.d. | 0.15 ± 1.9 | 0.91 ± 5.1 | 75.0 (4.9) | 91.0 (3.1) |
| HAE | |||||
| CBG | n.d. | 0.18 ± 4.9 | 1.04 ± 2.5 | 90.0 (1.8) | 104.0 (4.1) |
| CBD | 8.1 ± 1.2 | 7.6 ± 2.5 | 8.0 ± 3.8 | 93.8 (2.5) | 98.7 (1.3) |
| Δ9-THC | n.d. | 0.13 ± 5.8 | 0.76 ± 2.4 | 65.0 (4.7) | 76.0 (4.1) |