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CADMIUM, LEAD AND ZINC LEVELS IN ORGANIC AND CONVENTIONAL EGGS

Published in AgroLife Scientific Journal, Volume 8, Number 1
Written by Gheorghe Valentin GORAN, Emanuela BADEA, Maria Lavinia BUGA, Victor CRIVINEANU

The egg is considered one of the most nutritious animal origin foods, being a perfectly balanced source of protein, easily digestible fats, energy, minerals, and vitamins. Significant differences between organic and conventional eggs cover feed, medication, and animal welfare of hens. The study’s purpose was the quantitative determination of Cd, Pb, and Zn from organic eggs and conventional eggs, and also from the organic feed. The heavy metals levels in organic eggs, conventional eggs, and organic feed samples were evaluated by AAS. Zn registered levels below the method’s detection limit in organic eggs samples, and its levels were significantly lower compared to the maximum allowed level in EU for it in eggs, but higher compared to recommended levels in organic feed. Cd was significantly lower in organic eggs compared to their levels in conventional eggs. Pb registered significantly lower levels in organic feed, and Cd was higher compared to the maximum allowed level in EU for it in this type of feed. Conventional purchased eggs exceed the maximum EU allowed level for Pb and Cd.

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