Table 3.
Limits of detection (LODs), limits of quantitation (LOQs), recoveries, inter-injection precisions (n = 5), intra-day precisions (n = 3) and inter-day precisions (n = 9) for 13 Alternaria toxins in beer
| Analyte | LOD (µg/L) | LOQ (µg/L) | Recovery (%) | RSD (%) | ||||
|---|---|---|---|---|---|---|---|---|
| Level 1 | Level 2 | Level 3 | Inter-injection | Intra-day | Inter-day | |||
| AOH | 0.15 | 0.52 | 95 ± 4 | 95 ± 1 | 92 ± 3 | 2 | 5 | 5 |
| AME | 0.03 | 0.09 | 102 ± 1 | 100 ± 5 | 96 ± 3 | 2 | 2 | 3 |
| TeA | 0.15 | 0.46 | 87 ± 2 | 91 ± 1 | 86 ± 4 | 3 | 4 | 4 |
| TEN | 0.24 | 0.93 | 92 ± 5 | 105 ± 6 | 105 ± 8 | 3 | 7 | 8 |
| ATX I | 0.2 | 0.62 | 114 ± 4 | 111 ± 6 | 107 ± 7 | 4 | 6 | 9 |
| ATX II | 0.43 | 1.73 | 103 ± 7 | 98 ± 5 | 87 ± 2 | 5 | 5 | 8 |
| ALTP | 0.68 | 2.84 | 99 ± 3 | 110 ± 4 | 101 ± 7 | 4 | 8 | 8 |
| ALT | 5.48 | 16.24 | 107 ± 14 | 104 ± 8 | 106 ± 3 | 2 | 6 | 9 |
| AOH-3-G | 0.45 | 1.32 | 72 ± 3 | 94 ± 8 | 104 ± 8 | 2 | 5 | 9 |
| AOH-9-G | 0.32 | 1.28 | 101 ± 3 | 98 ± 10 | 101 ± 3 | 3 | 6 | 7 |
| AME-3-G | 0.72 | 2.32 | 113 ± 9 | 101 ± 2 | 103 ± 2 | 3 | 8 | 10 |
| AOH-3-S | 0.46 | 1.67 | 87 ± 7 | 84 ± 9 | 88 ± 5 | 4 | 5 | 8 |
| AME-3-S | 0.78 | 3.42 | 86 ± 1 | 96 ± 3 | 94 ± 5 | 4 | 9 | 10 |