Formaldehyde and heavy metal migration from rubber and metallic packaging/utensils in Korea

The aim of this study was to determine the non-intentionally added substances – formaldehyde and trace metals – at 4% acetic acid conditions in rubber and metallic packaging/utensils. The temperature effect on migration in rubber and metallic packaging/utensils was monitored at 60°C and 100°C under acidic (pH < 3) circumstances. A significant difference was noticed in formaldehyde and total arsenic between both temperatures (p < 0.01), which was not present in other trace metals.
In conclusion, formaldehyde and total arsenic were more sensitive with cooking temperature than the other metals (Food Additives & Contaminants: Part B: Surveillance, 11 August 2014).
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