Table 3.
Intra- and inter-day precision and accuracy of α-solanine, α-chaconine, and solanidine standards.
| Concentration (µg mL−1) | Intra-Day Precision (% CV, n = 6) | Intra-Day Accuracy (%, n = 6) | Inter-Day Precision (% CV, n = 4) | Inter-Day Accuracy (%, n = 4) |
|---|---|---|---|---|
| α-Solanine | ||||
| 0.03 | 8.07 | 112.41 | 1.76 | 128.81 |
| 0.1 | 8.15 | 104.01 | 0.70 | 108.21 |
| 0.3 | 8.58 | 103.26 | 0.12 | 105.62 |
| 1 | 8.04 | 88.41 | 6.93 | 85.88 |
| 3 | 5.62 | 101.24 | 6.77 | 101.46 |
| α-Chaconine | ||||
| 0.03 | 7.04 | 114.33 | 8.89 | 79.93 |
| 0.1 | 5.26 | 99.68 | 10.53 | 89.34 |
| 0.3 | 7.12 | 101.80 | 8.47 | 107.85 |
| 1 | 6.45 | 82.26 | 10.71 | 99.42 |
| 3 | 4.26 | 95.76 | 4.90 | 107.96 |
| Solanidine | ||||
| 0.01 | 2.96 | 85.97 | 5.49 | 89.93 |
| 0.03 | 4.30 | 87.48 | 6.14 | 83.41 |
| 0.1 | 4.50 | 86.38 | 4.23 | 102.35 |
| 0.3 | 4.74 | 111.89 | 2.92 | 106.34 |
| 1 | 5.98 | 99.09 | 0.65 | 99.43 |