Review Article
The Scourge of Aflatoxins in Kenya: A 60-Year Review (1960 to 2020)
Table 3
AF content of peanuts and peanut butter from market outlets in Nairobi and Nyanza Provinces, Kenya.
| | Source | Sample | Sample type | AF level (μg/kg) | Aflatoxin-positive samples (%) | | Range | Mean | ≤4.0 μg/kg | ≤10.0 μg/kg | ≥10.0 μg/kg |
| | Cottage industry | Raw peanuts | Pink regular (n = 3) | BDL-52.4 | 18.3 | 60 | 80 | 20 | | Red regular (n = 1) | NA | 5.0 | | | | | Red small (n = 1) | NA | BDL | | | | | Roasted peanuts | Red regular (n = 8) | 2.4–297.7 | 54.8 | 25 | 50 | 50 | | Peanut butter | Paste (n = 11) | BDL-2,377.1 | 318.3 | 18 | 27 | 73 |
| | Nairobi wholesale outlets | Unsorted peanuts | Pink regular (n = 11) | BDL-364.7 | 111.2 | 22 | 26 | 74 | | Red regular (n = 12) | BDL-276.1 | 89.1 | | | | | Sorted peanuts | Pink regular (n = 4) | BDL-82.4 | 24.0 | 36 | 82 | 18 | | Red regular (n = 5) | 2.0–9.2 | 5.3 | | | | | Red small (n = 2) | 6.0–7.8 | 6.9 | | | |
| | Nyanza retail outlets | Unsorted nuts | Pink large (n = 3) | 3.7–128.8 | 71.6 | 71 | 75 | 25 | | Pink regular (n = 9) | BDL-229.8 | 44.9 | | | | | Red regular (n = 9) | BDL-14.0 | 1.9 | | | | | Red mixed (n = 3) | NA | BDL | | | |
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Adapted from [ 53]. BDL: below method detection limit of 0.5 μg/kg; NA: not applicable. |
