Table 5.
Precision and accuracy of sinigrin analysis.
| Analytes | Concentration (μg/mL) | Mean ± SD (μg/mL) | RSD 1 (%) | Recovery (%) | |
|---|---|---|---|---|---|
| Sinigrin | Intra-day 2 | 6.25 | 6.07 ± 0.03 * | 0.55 | 97.12 ± 0.44 |
| 25 | 25.25 ± 0.18 | 0.73 | 101.01 ± 0.60 | ||
| 100 | 99.65 ± 0.08 | 0.08 | 99.65 ± 0.07 | ||
| Inter-day 3 | 6.25 | 6.17 ± 0.02 | 0.39 | 98.65 ± 0.39 | |
| 25 | 25.41 ± 0.17 | 0.66 | 101.62 ± 0.67 | ||
| 100 | 99.76 ± 0.07 | 0.07 | 99.76 ± 0.07 | ||
1 RSD: Relative standard deviation; 2 Intra-day: Three times per day; 3 Inter-day: One analysis per day for three days; * Values are mean ± SD (n = 3).