Abstract
A robust and sensitive analytical method for the simultaneous determination of 9 mycotoxins, AA, and 5-HMF by UHPLC-MS/MS was developed. Clean-up of the extracts was achieved by d-SPE with EMR-lipid. A new column phase (C18-PFP) was selected for HPLC separation after comparison with the C18 column. Finally, the method gave good linear relations with regression coefficients R2 > 0.99. The recovery of all the tested compounds was within the range of 70.67 to 104.88%, and the intraday and interday relative standard deviations (RSD) were lower than 12.49. The proposed method was then applied to investigate the mycotoxins, AA and 5-HMF in 20 food samples sold in the retail market. AA and 5-HMF were widely detected, and half of the samples were found to contain at least one mycotoxin contamination. Therefore, this method is potential to be used as a convenient and effective method for the cookies product quality control in the future.
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