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. 2021 Dec 2;11:23339. doi: 10.1038/s41598-021-02822-x

Table 15.

Proportions of samples that exceeded AFtotal and OTA and limits of the European Food Safety Authority (EFSA) and Ghana Standard Authority (GSA).

Region No. of samples Overall Positive Exceeding EFSA regulation Exceeding GSA regulation
Yes (%) Range (µg/kg) Yes (%) Range (µg/kg)
AFT
Upper 30 25 25 (83.3) 7.0–106.18 23 (76) 10.76–106.18
Northern 30 22 21 (70) 9.73–285.31 18 (60) 11.50–285.31
Ashanti 30 23 21 (70) 7.98–230.00 21 (70) 19.40–230.00
Eastern 30 17 16 (53.3) 4.72–441.02 12 (40) 10.70–441.02
Central 30 20 20 (66.7) 8.86–139.71 19 (63.33) 15.84–139.71
Western 30 24 24 (80) 4.27–217.41 23 (76.67) 10.18–217.41
Total 180 131 127 (70.50) 4.27–441.02 116 (64.44) 10.18–441.02
OTA
Upper 30 20 18 (60.0) 4.88–62.50 17 (56.67) 11.86–62.50
Northern 30 23 18 (60.0) 4.70–46.77 17 (56.67) 3.30–46.77
Ashanti 30 10 10 (33.33) 5.80–76.05 10 (33.33) 5.8–76.05
Eastern 30 16 15 (50) 5.50–97.51 16 (53.33) 5.50–97.51
Central 30 12 11 (36.67) 4.00–38.34 8 (26.67) 5.98–38.34
Western 30 22 22 (73.33) 5.0–85.90 21 (70.0) 5.0–85.90
Total 180 103 94 (52.22) 4.00–97.51 89 (49.44) 3.30–97.51

Total values are in [italics].

European Union Food Safety (EFSA) limit for AFTotal = 4 µg/kg.

European Union Food Safety (EFSA) limit for OTA = 4 µg/kg.

Ghana Standards Authority (GSA) limit for AFTotal = 10 µg/kg.

Ghana Standards Authority (GSA) limit for OTA = 5 µg/k.