Abstract：
:The combination of QuEChERS-LC-QTOFMS and matrix-matched calibration (MMC) to simultaneously determinate legislated and emerging mycotoxins in malt and beer was evaluated for the first time. The method performance was satisfactory displaying suitable linearity (R2 >0.99) and recovery (71-102%). The lowest values (in μg kg-1) of LOD (0.01) and LOQ (0.05) were found for enniatins, while the highest LOD (15) and LOQ (50) were reported for fumonisin B1. Precision and sensitivity (RSD <10%) were in accordance with the different guidelines of method validation. MMC was important to avoid inaccurate quantification of all mycotoxins due to signal enhancement or suppression. Another advantage was the enhanced throughput, requiring 1.2 min of analysis per analyte. The detection of legislated (aflatoxins, ochratoxin A, deoxynivalenol, fumonisin B1, zearalanone, T-2 and HT-2 toxin) and emerging mycotoxins (enniatins, beauvericin, moniliformin and sterigmatocystin) allowed verifying compliance with legislation and generating data to support the establishment of limits for emerging mycotoxins.
journal_name
Food Chemjournal_title
Food chemistryauthors
Lago LO,Nievierowski TH,Mallmann LP,Rodrigues E,Welke JEdoi
10.1016/j.foodchem.2020.128744subject
Has Abstractpub_date
2020-12-08 00:00:00pages
128744eissn
0308-8146issn
1873-7072pii
S0308-8146(20)32606-6journal_volume
345pub_type
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