Physico-Chemical Characteristics and Level of Some Selected Metal in Edible Oils

Table 5

Concentration of the selected essential metals in the analyzed edible oil samples.

Metal	Viking oil	Avena oil	Selam oil	Nur oil
	Mean ± SD; (mg/L)	Mean ± SD; (mg/L)	Mean ± SD; (mg/L)	Mean ± SD; (mg/L)
Na	4.17 ± 0.153	4.10 ± 0.100	3.80 ± 0.100	4.13 ± 0.153
K	8.43 ± 0.153	8.27 ± 0.209	8.10 ± 0.200	10.30 ± 0.200
Cu	0.62 ± 0.022	0.28 ± 0.004	0.86 ± 0.003	0.42 ± 0.005
Zn	1.58 ± 0.154	1.27 ± 0.255	1.19 ± 0.160	1.47 ± 0.567
Fe	4.66 ± 0.331	6.51 ± 0.193	7.32 ± 0.530	6.08 ± 0.818