Journal
JOURNAL OF FOOD SCIENCE
Volume 81, Issue 11, Pages T2886-T2890Publisher
WILEY
DOI: 10.1111/1750-3841.13524
Keywords
cereal products; mycotoxins; quantitative analysis; QuEChERS; UHPLC-MS/MS
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Funding
- Youth Scientific Research Foundation of Shandong Academy of Agricultural Sciences [2014QNM20]
- Health and Family Planning Commission of Shandong Province [2014WS0382, 2015WS0283]
- Science and Technology Development Program of Traditional Chinese Medicine of Shandong Province [2015-316]
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A simple and sensitive analytical method for quantitative analysis of 10 mycotoxins was developed and validated by a combination of modified QuEChERS (quick, easy, cheap, effective, rugged, and safe) procedure with ultrahigh performance liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS). Sample preparation involved QuEChERS with dispersive solid phase extraction for clean-up, and analysis was performed by reversed-phase UHPLC-MS/MS using electrospray negative ionization and multiple reaction monitoring. Under optimized conditions, the calibration curves displayed good linear relationships with all coefficients of determinations (r(2)) higher than 0.998. The limits of quantification for all target mycotoxins were lower than 7 mu g/kg. Trueness and precision for the analytes were 70% to 116% average recoveries and 2% to 13% relative standard deviations (RSDs). The validated method was used to analyze 46 wheat flour samples for the targeted mycotoxins. The method can be used as a rapid and robust tool for screening mycotoxin in cereal products.
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