Table 2 Intraday and interday laboratory precision and accuracy results for the analysis of NMC and EC in fermented food (n=5)
Compound | Spiked Conc.(mg/L) | Intraday measured value | Interday measured value | ||||
|---|---|---|---|---|---|---|---|
Mean ± SD (mg/L) | Accuracy (%) | Precision (%) | Mean ± SD (mg/L) | Accuracy (%) | Precision (%) | ||
NMC | 0.0500 | 0.0492 ± 0.0031 | 98.4 | 6.30 | 0.0474 ± 0.0052 | 94.8 | 11.0 |
0.0020 | 0.0018 ± 0.0002 | 90.0 | 11.1 | 0.0017 ± 0.0002 | 106 | 11.8 | |
EC | 0.0500 | 0.0532 ± 0.0030 | 106 | 5.64 | 0.0546 ± 0.0065 | 109 | 11.9 |
0.0020 | 0.0018 ± 0.0002 | 90.0 | 11.1 | 0.0019 ± 0.0002 | 95.0 | 10.5 | |