Table 2 Intra-day and inter-day recovery ratios and relative standard deviation (RSD) of EQ, EQI and EQDM from swine tissues
Analyte | Samples | Spiked concentration, ng/g | Intra-day (n = 6) | Inter-day (n = 3) | ||
|---|---|---|---|---|---|---|
Mean recovery, % | RSD, % | Mean recovery, % | RSD, % | |||
EQ | Muscle | 5 | 85.3 | 2.69 | 82.7 | 1.83 |
25 | 95.9 | 1.83 | 87.5 | 0.82 | ||
Kidney | 100 | 91.0 | 2.99 | 78.2 | 4.00 | |
200 | 93.1 | 3.59 | 87.2 | 2.46 | ||
Liver | 100 | 89.8 | 5.7 | 82.9 | 4.06 | |
200 | 96.8 | 4.02 | 97.9 | 6.65 | ||
Fat | 1000 | 93.2 | 5.52 | 88.3 | 2.35 | |
2000 | 94.2 | 3.69 | 92.1 | 5.28 | ||
EQI | Muscle | 5 | 74.3 | 1.71 | 68.7 | 2.64 |
25 | 76.2 | 2.57 | 72.7 | 5.75 | ||
Kidney | 100 | 61.4 | 1.02 | 64.7 | 1.17 | |
200 | 68.8 | 3.11 | 70.2 | 7.81 | ||
Liver | 100 | 93.9 | 7.54 | 87.4 | 11.60 | |
200 | 89.2 | 4.21 | 82.6 | 6.78 | ||
Fat | 1000 | 79.3 | 5.61 | 82.3 | 4.63 | |
2000 | 81.2 | 4.76 | 75.5 | 5.12 | ||
EQDM | Muscle | 5 | 83.3 | 1.51 | 82.3 | 1.53 |
25 | 93.3 | 1.14 | 92.5 | 5.95 | ||
Kidney | 100 | 88.5 | 3.62 | 86.5 | 1.46 | |
200 | 99.2 | 2.29 | 93.0 | 6.73 | ||
Liver | 100 | 88.1 | 4.16 | 95.8 | 7.73 | |
200 | 100.7 | 2.51 | 89.5 | 4.74 | ||
Fat | 1000 | 77.6 | 4.81 | 74.2 | 5.11 | |
2000 | 82.5 | 6.42 | 84.7 | 5.79 | ||