Journal
FOOD CHEMISTRY
Volume 375, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2021.131726
Keywords
Acrylamide; 5-Hydroxymethylfurfural; 2-Amino-1-methyl-6-phenylimi-dazo [4,5-b]-pyridine; UPLC-MS/MS
Funding
- Nature Science Foundation of China [31671960, 32072333, 31701728]
- Young Elite Sci-entists Sponsorship Program by CAST [2020QNRC001]
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A robust and sensitive isotope dilution UPLC-MS/MS method was developed for the simultaneous analysis of acrylamide, 5-hydroxymethylfurfural, and 2-amino-1 -methyl-6-phenylimidazo [4,5-b] -pyridine in thermally processed foods, demonstrating good separation and quantification accuracy.
A robust and sensitive isotope dilution UPLC-MS/MS method was established for the simultaneous analysis of acrylamide (AA), 5-hydroxymethylfurfural (HMF), and 2-amino-1 -methyl-6-phenylimidazo [4,5-b] -pyridine (PhIP). A fairly good separation of three analytes was achieved within 4.5 min. High correlation coefficients (R-2 > 0.9998) of the three compounds were obtained in their respective linear ranges. This method demonstrated low limits of detection (1.57 mu g/L for AA, 0.61 mu g/L for HMF, and 0.02 mu g/L for PhIP) and limits of quantification (5.22 mu g/L for AA, 2.03 mu g/L for HMF, and 0.05 mu g/L for PhIP). This method also demonstrated excellent quantification accuracy (99.02%401.12%), precision (RSD < 6%), and recovery (82.83-119.92%) in the Maillard model systems and deep-fried meatballs. This work develops a fundamental method for the rapid simultaneous determination of AA, HMF, and PhIP in thermally processed foods that are both carbohydrates-rich and protein-rich, meanwhile providing technical support for the generation mechanism of various hazards.
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