“…Milk and its derivatives constitute one of the fundamental components of the human diet, particularly due to its protein and mineral contributions (P senkov a et al, 2020); although it is also of interest due to the diversity of proteins, fats, carbohydrates and bioactive substances they contain (Maity et al, 2020). Therefore, its contamination, among other compounds, by heavy metals, can represent a serious public health problem due to different disorders that these cause to consumers, particularly in children (Nava-Ruíz and M endez-Armenta, 2011; CDC (Centers for Disease Control and Prevention), 2012; Tepanosyan et al, 2017;Ngo et al, 2021).…”