Migration of heavy metals from polypropylene into ice cream

The aim of this study was to propose a method for analysis of lead (Pb), cadmium (Cd), mercury (Hg) and arsenic (As) in polypropylene packaging intended for contact with ice cream and migration of these elements using the food itself and 3% acetic acid as food simulant. Ten commercial samples of ice cream marketed in Campinas-São Paulo (Brazil) were used for the analysis.
The results of specific migration into 3% acetic acid simulant showed concentrations of Cd, Hg and As below 5, 5 and 10 μg kg−1, respectively. The method developed can be applied for the determination of inorganic elements in polypropylene, ice cream and acetic acid by ICP-OES (Food Analytical Methods, 19 February 2015).
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