| Cholesterol | 7-DHC | ||||
| Concentration (µg·mL−1) | Recovery (%) ± SD (n = 6) | CV% | Concentration (µg·mL−1) | Recovery (%) ± SD (n = 6) | CV% |
| 15.0 | 95.9 ± 1.8 | 1.8 | 0.7 | 65.1 ± 3.6 | 5.5 |
| 30.0 | 93.8 ± 3.1 | 3.3 | 1.5 | 73.6 ± 2.1 | 2.8 |
| 60.0 | 94.2 ± 2.6 | 2.7 | 3.0 | 79.7 ± 2.5 | 3.1 |