Research Article

Dietary Intake of Metals from Fresh Cage-Reared Hens’ Eggs in Tenerife, Canary Islands

Table 4

Comparison of metal concentrations in hen eggs from nonspecified breeder system.
(a) Comparison of metal concentration levels in the egg whites

MetalSouci et al. [40]CESNID [41]Moreiras et al. [2]Giannenas et al. [42]Demirulus [43]This study (2015)

Ca110605078.3
Cr0.0480.02
Cu1.30.21271.69
Fe2111.46
K155014201500541
Mg12010011081.2
Na1700160019001092
Ni0.0643.70.03
Pb0.02
V0.0130.12
Zn0.2Traces11.0037.40.92

(b) Comparison of metal concentration levels in the egg yolks

MetalSouci et al. [40]CESNID [41]Moreiras et al. [2]Giannenas et al. [42]Demirulus [43]This study (2015)

Ca140013701300775
Cr0.0660.12
Cu3.51.35710.53.21
Fe70556118.6
K14009701200628
Mg16013015075.9631.7
Mn0.5–20.8361.90.36
Mo0.260.07
Na500500500307
Ni0.0631.70.07
Pb0.04
V0.0120.15
Zn40393920.6835.614.9

(c) Comparison of metal concentrations levels in the homogenized egg

MetalMoreiras et al. [2]Fakayode and Olu-Owolabi [44]Abduljaleel and Shuhaimi-Othman [45]González-Weller et al. [46]Iwegbue et al. [47]This study (2015)

Al17.112.9309.41
Ba0.4680.72
Ca570174
Cr3.240.1150.320.17
Cu0.781.032.22
Fe1923.205.49
K1300491
Mg12087.5
Na14001149
Ni0.031.110.0380.860.05
Pb0.590.4200.820.02
Sr0.3882.05
Zn1313.7534.226.453.37