Research Article
Dietary Intake of Metals from Fresh Cage-Reared Hens’ Eggs in Tenerife, Canary Islands
Table 5
Comparison of metal concentrations in eggs from cage-reared hens.
(a) Comparison of metal concentration levels in the egg whites |
| Metal | Giannenas et al. [42] | Alam Chowdhury et al. [48] | Demirulus [43] | This study (2015) |
| Cr | 0.048 | <LOQ | — | 0.02 | Cu | 0.212 | 0.1 | 7.0 | 1.69 | Fe | — | 2.96 | — | 1.46 | Mg | — | 43.26 | — | 81.2 | Ni | 0.064 | 12.81 | 3.7 | 0.03 | Pb | — | 1.06 | — | 0.02 | V | 0.013 | — | — | 0.12 | Zn | 1.003 | 16.88 | 7.4 | 0.92 |
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(b) Comparison of metal concentration levels in the egg yolks |
| Metal | Giannenas et al. [42] | Alam Chowdhury et al. [48] | Demirulus [43] | This study (2015) |
| Cr | 0.066 | <LOQ | — | 0.12 | Cu | 1.357 | 0.16 | 10.5 | 3.21 | Fe | — | 27.27 | — | 18.6 | Mg | — | 75.96 | — | 31.7 | Mn | 0.836 | — | 1.9 | 0.36 | Mo | 0.26 | — | — | 0.07 | Ni | 0.063 | 2.79 | 1.7 | 0.07 | V | 0.012 | — | — | 0.15 | Zn | 20.68 | 81.97 | 35.6 | 14.9 |
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(c) Comparison of metal concentrations levels in the homogenized egg |
| Metal | González-Weller et al. [46] | Alam Chowdhury et al. [48] | This study (2015) |
| Al | 2.930 | — | 9.41 | Ba | 0.468 | — | 0.72 | Cr | 0.115 | <LOQ | 0.17 | Cu | — | 0.26 | 2.22 | Fe | — | 30.66 | 5.49 | Mg | — | 119.22 | 87.5 | Ni | 15.6 | 0.038 | 0.05 | Pb | — | 1.06 | 0.02 | Sr | 0.388 | — | 2.05 | Zn | — | 98.85 | 3.37 |
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