Journal
FOOD CHEMISTRY
Volume 136, Issue 2, Pages 617-623Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2012.08.019
Keywords
Non-target screening; Allura Red; Degradation products; Photodegradation; UHPLC; Hybrid triple quadrupole/linear ion trap; Mass spectrometry
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The study deals with the identification of the degradation products formed by simulated sunlight photoirradiation in a commercial beverage that contains Allura Red AC dye. An UHPLC-MS/MS method, that makes use of hybrid triple quadrupole/linear ion trap, was developed. In the identification step the software tool information dependent acquisition (IDA) was used to automatically obtain information about the species present and to build a multiple reaction monitoring (MRM) method with the MS/MS fragmentation pattern of the species considered. The results indicate that the identified degradation products are formed from side-reactions and/or interactions among the dye and other ingredients present in the beverage (ascorbic acid, citric acid, sucrose, aromas, strawberry juice, and extract of chamomile flowers). The presence of aromatic amine or amide functionalities in the chemical structures proposed for the degradation products might suggest potential hazards to consumer health. (C) 2012 Elsevier Ltd. All rights reserved.
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