Determination of the Level of Heavy Metals in the Selected Cereals from Debre Markos Local Market, Amhara Region, Ethiopia

Table 3

Average levels of heavy metals (mean ± SD, mg kg⁻¹, dry weight) in the cereal samples.

Metals	Cereal samples				FAO/WHO limit (mg/kg)^a
	Barley	Teff	Wheat	Maize
Cr	2.20 ± 0.072	2.22 ± 0.061	1.57 ± 0.48	1.84 ± 0.26	2.3
Cu	2.94 ± 0.19	2.31 ± 0.06	1.28 ± 0.13	1.52 ± 0.035	30
Pb	0.49 ± 0.301	0.34 ± 0.12	0.52 ± 0.029	0.37 ± 0.15	0.2
Cd	2.01 ± 1.73	1.84 ± 1.60	1.95 ± 1.68	1.93 ± 1.67	0.1

Source: ^aFAO/WHO report, 2011.