Table 3.
Summary of mycotoxin exposure studies on infants and young children in sub-Saharan Africa using occurrence and consumption data.
| Country | Sample Size | Mycotoxin | Concentration (µg/kg) | Exposure Level, Mean (Range) | % Prevalence | PDI | TDI | Reference |
|---|---|---|---|---|---|---|---|---|
| µg/kg bw/day | ||||||||
| Nigeria | 70 | AFB1 (infants) | 324.7 * | 1850 * ng/kg bw/day | NR | 1.91 * | 0.00017 | [120] |
| AFB1 (children) | 324.7 * | 740 * ng/kg bw/day | 0.76 * | 0.00017 | ||||
| 137 | AFB1 | 0.12–473.8 | 2.5–51,192 ng/kg bw/day | NR | NR | 0.00017 | [74] | |
| AFs | 0.88–589.8 | 25.7–54,892 ng/kg bw/day | 0.00017 | |||||
| FBs | 4.6–1,540 | 0–138.6 ng/kg bw/day | 2 | |||||
| OTA | 0–26.4 | 0–2.03 ng/kg bw/day | 0.1a | |||||
| CIT | 0.08–1,173 | 0.002–102 ng/kg bw/day | 0.2 | |||||
| BEA | 0.004–69 | 0–3.14 ng/kg bw/day | 90 | |||||
| MON | 0.8–3,450 | 0.02–156.8 ng/kg bw/day | 200 | |||||
| Tanzania | 254 | FBs (sorted maize) | 19–1758 | 1.99 (0.32–144.29) b µg/kg bw/day | 10 c | <1.0 | 2.0 | [121] |
| FBs (unsorted maize) | 19–21,666 | 36.80 (10.2–144.29) b µg/kg bw/day | ||||||
| 143 | AFs | 0.33–69.47 | 0.14–120 ng/kg bw/day | 39 | 0.017 | [76] | ||
| FBs | 48–1224 | 0.005–0.88 µg/kg bw/day | 21 | <2 | 2 | |||
| 131 | FBs | 6.57–471.1 | 0.78–64.93 µg/kg bw/day | 44.3 | 2.0 | [93] | ||
| 143 | AFM1 | 0.01–0.55 | 0:81–66.79 ng/kg bw/day | 96 d | NR | NR | [100] | |
| 41 | AFs | 0.11–386 | 1–786 ng/kg bw/day | 32 | 0.017 | [72] | ||
| DON | 57–825 | 0.38–8.87 µg/kg bw/day | 44 | 1 | ||||
| FBs | 63–2284 | 0.19–26.37 µg/kg bw/day | 83 | 2 | ||||
| 191 | FBs | 21–3201 | 0.003–28.84 µg/kg bw/day | 69 | NR | 2 | [38] | |
* Mean concentration; a µg/kg bw per week; b FB exposure at 97th percentile; c exceeded the PMTDI; d exceeded 0.025 ng/mL(EU limit for AFM1 contamination in infant food (EC, 2006)); AFs = total aflatoxins; AFB1 = aflatoxin B1; BEA = beauvericin; CIT = citrinin; DON = deoxynivalenol; FBs = total fumonisins; MON = moniliformin; NR = not reported; OTA = ochratoxin A.