Abstract
An analytical method was developed to determine primary aromatic amines (PAAs) from açaí-based product packaging. First, the migration potential of 19 PAAs was investigated in the packaging using a food simulant (3% acetic acid). Then, the detection of migrants was performed in the açaí-based products. Both analyzes were performed by ultra-performance liquid chromatography-triple quadrupole mass spectrometry (UPLC-QqQ-MS). The proposed methods presented calibration curves with correlation coefficients ≥0.991, limit of detection ranging from 0.05 to 0.67 ug kg−1, appropriate recovery with values between 80% and 112%, and good precision (< 17.3% RSD), under repeatability and within-laboratory reproducibility conditions. The results showed that benzidine, o-toluidine, and 4,4′-methylenedianiline have migrated to food simulants with levels ranging from 0.0015 to 0.0033 mg kg−1. Therefore, these samples do not comply with the Brazilian and European regulations on PAAs, since these PAAs should not be detected in food simulants. In the real matrix, no PAAs were detected.
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