Table 5.
Trueness and precision in urine and plasma samples. Trueness was assessed by measuring the peak area of the spiked samples and comparing this result with the matrix-matched calibration curve; the result was expresses as the percentage.
| Mycotoxin | Urine | Plasma | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Trueness % (RSD a) | Trueness % (RSD a) | |||||||||||
| 1× MQL | 2.5× MQL | 10× MQL | 1× MQL | 2.5× MQL | 10× MQL | |||||||
| Intra-day | Inter-day | Intra-day | Inter-day | Intra-day | Inter-day | Intra-day | Inter-day | Intra-day | Inter-day | Intra-day | Inter-day | |
| ENA | 92 ± 12 | 88 ± 15 | 109 ± 8 | 90 ± 9 | 102 ± 1 | 96 ± 14 | 99 ± 17 | 101 ± 15 | 120 ± 6 | 112 ± 11 | 95 ± 4 | 99 ± 11 |
| ENA1 | 85 ± 10 | 98 ± 8 | 96 ± 7 | 96 ± 11 | 91 ± 6 | 94 ± 8 | 90 ± 13 | 92 ± 16 | 114 ± 10 | 118 ± 14 | 94 ± 6 | 93 ± 10 |
| ENB | 87 ± 7 | 110 ± 17 | 89 ± 13 | 90 ± 9 | 98 ± 1 | 102 ± 10 | 97 ± 18 | 95 ± 21 | 109 ± 12 | 117 ± 14 | 110 ± 8 | 105 ± 9 |
| ENB1 | 101 ± 14 | 102 ± 11 | 89 ± 6 | 95 ± 8 | 103 ± 4 | 90 ± 12 | 106 ± 13 | 87 ± 14 | 112 ± 9 | 115 ± 9 | 95 ± 9 | 98 ± 9 |
| BEA | 93 ± 12 | 97 ± 14 | 105 ± 10 | 98 ± 10 | 101 ± 3 | 87 ± 12 | 103 ± 12 | 91 ± 12 | 106 ± 10 | 114 ± 12 | 96 ± 10 | 92 ± 11 |
a RSD, relative standard deviation, obtained from the mean of six replicates.