Table 1.
Occurrence of aflatoxins and OTA in corn from the 2014 and 2015 harvesting seasons.
| AFB1 | AFB2 | AFG1 | AFG2 | Sum | OTA | |
|---|---|---|---|---|---|---|
| 2014 | ||||||
| Analyzed samples | 31 | 31 | 31 | 31 | 31 | 31 |
| Positive samples | 23 | 15 | 15 | 25 | 28 | 2 |
| Incidence (%) | 74 | 48 | 48 | 81 | 90 | 6.0 |
| Mean value (μg kg−1) | 464 | 93.9 | 158 | 16.4 | 531 | 260 |
| Median value (μg kg−1) | 21.1 | 8.5 | 5.4 | 1.3 | 6.6 | 260 |
| Minimum value (μg kg−1) | 0.3 | 0.2 | 0.2 | 0.2 | 0.2 | 187 |
| Maximum value (μg kg−1) | 3550 | 539 | 978 | 144 | 4822 | 333 |
| 2015 | ||||||
| Analyzed samples | 14 | 14 | 14 | 14 | 14 | 14 |
| Positive samples | 3 | 0 | 0 | 1 | 4 | 1 |
| Incidence (%) | 21 | 0.0 | 0.0 | 7.1 | 29 | 7.1 |
| Mean value (μg kg−1) | 55.7 | - | - | 0.2 | 41.8 | 488 |
| Median value (μg kg−1) | 31.7 | - | - | 0.2 | 20.6 | 488 |
| Minimum value (μg kg−1) | 9.4 | - | - | 0.2 | 0.2 | 488 |
| Maximum value (μg kg−1) | 126 | - | - | - | 126 | 488 |
| 2014–2015 | ||||||
| Analyzed samples | 45 | 45 | 45 | 45 | 45 | 45 |
| Positive samples | 26 | 15 | 15 | 26 | 32 | 3 |
| Incidence (%) | 58 | 33 | 33 | 58 | 71 | 7.0 |
| Mean value (μg kg−1) | 417 | 93.9 | 158 | 15.8 | 469 | 336 |
| Median value (μg kg−1) | 22.2 | 8.5 | 5.4 | 1.3 | 8.5 | 333 |
| Minimum value (μg kg−1) | 0.3 | 0.2 | 0.2 | 0.2 | 0.2 | 187 |
| Maximum value (μg kg−1) | 3550 | 539 | 978 | 144 | 4822 | 488 |