Abstract
The search for healthier, innovative and practical products has moved the exponential growth of the dairy industry. Various foods have in their composition additives to enhance color, smell, texture and ensure greater durability. Rigorous quality control for the detection of contaminants and other potentially toxic and carcinogenic substances is essential for the industry. The objective of this work was to quantify the levels of lead, cadmium and chromium metals, which present a higher toxic potential in relation to health, which ends up affecting the children in a more significant way. The digestion method was used in a muffle oven. All three analyzed brands showed high levels of chromium and cadmium and absence of lead. The X mark showed the highest levels of these metals, followed by the Z mark, and the Y mark the lowest concentrations, but all with values above that established by the legislation. Therefore, all the analyzed brands presented positive results
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