Table 3 Stability and repeatability of the investigated compounds in SQC sample
Analytes | Stability (n=6) | Repeatability (n=6) | ||
|---|---|---|---|---|
Mean ± SD (ng/mL) | RSD (%) | Mean ± SD (ng/mL) | RSD (%) | |
Nootkatone | 77.3 ± 2.8 | 3.62 | 71.2 ± 2.7 | 3.79 |
Yakuchinone A | 818 ± 25 | 3.06 | 811 ± 42 | 5.18 |
Yakuchinone B | 36.3 ± 1.7 | 4.68 | 36.4 ± 1.8 | 4.95 |
Oxyphyllacinol | 1015 ± 44 | 4.33 | 637 ± 3 | 0.47 |
Boldine | 342 ± 13 | 3.80 | 315 ± 10 | 3.17 |
Norisoboldine | 271 ± 13 | 4.80 | 194 ± 17 | 8.76 |
Linderane | 20.6 ± 0.58 | 2.82 | 190 ± 6 | 3.16 |
Isolinderalactonea | 116 ± 4 | 3.45 | 105 ± 3 | 2.86 |
Atractylenoide III | 63.7 ± 1.6 | 2.51 | 86.7 ± 3.1 | 3.58 |
Tectochrysin | 457 ± 20 | 4.38 | 400 ± 15 | 3.75 |
Izalpinin | 78.1 ± 1.6 | 2.05 | 85.1 ± 1.5 | 1.76 |
Chrysin | 29.8 ± 1.3 | 4.36 | 256 ± 13 | 5.08 |
Apigenin-4’,7-dimethylther | 656 ± 32 | 4.88 | 576 ± 27 | 4.69 |
Kaempferide | 53.3 ± 1.6 | 3.00 | 62.4 ± 1.1 | 1.76 |