Table 2 Intra-day and inter-day precision of the investigated compounds’ in SQC sample
Analytes | Day 1 (n=6) | Day 2 (n=6) | Day 3 (n=6) | Inter-day (n=18) | ||||
|---|---|---|---|---|---|---|---|---|
Mean ± SD (ng/mL) | RSD (%) | Mean ± SD (ng/mL) | RSD (%) | Mean ± SD (ng/mL) | RSD (%) | Mean ± SD (ng/mL) | RSD (%) | |
Nootkatone | 79.7 ± 2.0 | 2.51 | 75.9 ±1.0 | 1.32 | 75.0 ± 0.6 | 0.80 | 77.2±2.6 | 3.37 |
Yakuchinone A | 820 ± 32 | 3.90 | 833 ± 23 | 2.76 | 786 ± 36 | 4.58 | 815 ± 34 | 4.17 |
Yakuchinone B | 36.5 ± 0.9 | 2.47 | 36.8 ± 1.5 | 4.08 | 33.0 ± 1.3 | 3.94 | 35.7 ± 1.9 | 5.32 |
Oxyphyllacinol | 613 ± 28 | 4.57 | 625± 12 | 1.92 | 620 ± 25 | 4.03 | 619 ± 22 | 3.55 |
Boldine | 346 ± 12 | 3.47 | 338 ± 13 | 3.85 | 325 ± 18 | 5.54 | 338 ± 16 | 4.73 |
Norisoboldine | 280 ± 10 | 3.57 | 279 ± 9 | 3.23 | 262 ± 8 | 3.05 | 270 ± 12 | 4.44 |
Linderane | 20.8 ± 0.4 | 1.92 | 20.4 ± 0.7 | 3.43 | 19.1 ± 0.8 | 4.19 | 20.2 ± 0.9 | 4.46 |
Isolinderalactonea | 121 ± 6 | 4.96 | 115 ± 4 | 3.48 | 114 ± 1 | 0.88 | 117 ± 5 | 4.27 |
Atractylenoide III | 63.3 ± 2.2 | 3.48 | 61.2 ± 1.3 | 2.12 | 63.4 ± 2.8 | 4.42 | 62.6 ± 2.3 | 3.67 |
Tectochrysin | 466 ± 17 | 3.65 | 465 ± 9 | 1.94 | 430 ± 20 | 4.65 | 456 ± 22 | 4.82 |
Izalpinin | 78.3 ± 0.9 | 1.15 | 78.8 ± 1.2 | 1.52 | 75.9 ± 0.2 | 0.26 | 77.8 ± 1.6 | 2.06 |
Chrysin | 29.9 ± 0.9 | 3.01 | 30.7 ± 1.5 | 4.89 | 29.3 ± 0.4 | 1.37 | 30.0 ± 1.1 | 3.67 |
Apigenin-4’,7-dimethylther | 672 ± 28 | 4.17 | 653 ± 17 | 2.60 | 610 ± 9 | 1.48 | 649 ± 33 | 5.08 |
Kaempferide | 53.5 ± 1.8 | 3.36 | 53.5 ± 0.7 | 1.31 | 52.6 ± 1.6 | 3.04 | 53.3 ± 1.4 | 2.63 |