Table 3.
AFB1 content in freshly harvested and stored grain samples over two cropping seasons of 2012–2013 and 2013–2014 in central Tanzania
| Year/cropping season | Crop | Frequency of contamination | |||
|---|---|---|---|---|---|
| Freshly harvested grain/kernels | Stored grain/kernels | ||||
| Number of samples | Samples > 10 (μg/kg) of aflatoxin (%) | Number of samples | Samples > 10 (μg/kg) of aflatoxin (%) | ||
| 2012–2013 | Bambara nut | 78 | 6.4 | 48 | 62.5 |
| Groundnut | 163 | 18.4 | 83 | 81.9 | |
| Sunflower | 138 | 2.1 | 96 | 61.4 | |
| Sorghum | 57 | 0.0 | 40 | 10.0 | |
| Maize | 366 | 1.9 | 96 | 0.0 | |
| 2013–2014 | Bambara nut | 64 | 1.5 | 131 | 1.5 |
| Groundnut | 112 | 5.3 | 137 | 6.5 | |
| Sunflower | 131 | 9.1 | 183 | 3.8 | |
| Sorghum | 35 | 8.5 | 137 | 18.2 | |
| Maize | 166 | 3.6 | 235 | 0.9 | |