From: Trace metal and aflatoxin concentrations in some processed cereal and root and tuber flour
Sample | As | Cu | Fe | Hg | Pb | Zn |
---|---|---|---|---|---|---|
Sweet potato flour | <0.01a | 0.69 ± 0.01a | 10.97 ± 0.01a | <0.01a | <0.01a | 6.79 ± 0.01a |
Cocoyam flour | <0.01a | 6.63 ± 0.02b | 27.64 ± 0.16b | <0.01a | <0.01a | 15.54 ± 0.52b |
Water yam flour | <0.01a | 3.67 ± 0.02c | 15.11 ± 0.06c | <0.01a | 0.02 ± 0.01a | 9.19 ± 0.04c |
Sorghum flour | <0.01a | 2.77 ± 0.33d | 116.75 ± 0.07d | <0.01a | <0.01a | 25.36 ± 0.06d |
Rice flour | <0.01a | 1.09 ± 0.05e | 11.87 ± 0.06e | <0.01a | <0.01a | 7.84 ± 0.01e |
Maize flour | <0.01a | 0.03 ± 0.01f | 20.44 ± 0.02f | <0.01a | <0.01a | 6.04 ± 0.03f |
Millet flour | <0.01a | 3.07 ± 0.01d | 201.40 ± 0.14g | <0.01a | 0.05 ± 0.01b | 34.36 ± 0.06g |