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Table 2 Levels of Fe and Zn in fufu samples before and after milling

From: Heavy metal contamination and health risk assessment of mechanically milled delicacy called fufu

Communities Mean Zn Before milling RSD% Mean Zn After milling RSD% Mean Fe Before milling RSD% Mean Fe After milling RSD% FAO/WHO limits for Fe FAO/WHO limits for Zn
Ayigya 1.64 ± 0.08 4.88 2.06 ± 0.59 28.60 0.55 ± 0.14 25.27 2.82 ± 0.76 26.99 15 5
Bomso 5.17 ± 0.52 10.07 7.53 ± 0.94 12.49 3.08 ± 0.80 25.95 5.25 ± 0.87 16.56 15 5
Ayeduase 0.09 ± 0.02 22.22 0.91 ± 0.13 14.32 3.38 ± 0.53 15.70 5.23 ± 0.16 3.06 15 5
Kotei 0.38 ± 0.06 15.83 0.75 ± 0.08 10.62 2.49 ± 0.60 24.14 7.30 ± 0.50 6.85 15 5
Kentikrono 0.41 ± 0.07 17.16 3.68 ± 0.51 13.85 1.72 ± 0.40 23.20 5.80 ± 0.14 2.41 15 5
  1. aAll concentrations are in mg/kg