Abstract
The stability of target compounds under migration conditions is scarcely investigated. To provide data for better regulations and guidelines, the stability of 24 primary aromatic amines (PAAs) was investigated under several storage conditions in all aqueous food simulants of Commission Regulation No. 10/2011. Eleven carcinogenic PAAs appeared to be less stable under at least one of the investigated conditions. PAAs appeared to be the least stable in 3% (m/V) acetic acid. This is highly problematic because this food simulant represents the worst-case scenario regarding PAA migration testing. Since 3 mmolL−1 HCl solution with similar pH showed that PAAs were more stable in this medium we suggest its consideration as an alternative food simulant. In ethanol containing food simulants, most PAAs proved to be stable. Decreased temperature improved PAA stability, whereas shortened storage time improved PAA recovery.
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