Quantitative Analysis of 10 Mycotoxins in Wheat Flour by Ultrahigh Performance Liquid Chromatography-Tandem Mass Spectrometry with a Modified QuEChERS Strategy
文献类型： 外文期刊
第一作者： Zhou, Qingxin
作者： Zhou, Qingxin;Li, Fenghua;Chen, Leilei;Jiang, Dafeng;Li, Fenghua;Jiang, Dafeng
作者机构：
关键词： cereal products; mycotoxins; quantitative analysis; QuEChERS; UHPLC-MS/MS
期刊名称：JOURNAL OF FOOD SCIENCE （ 影响因子：3.167； 五年影响因子：3.376 ）
ISSN： 0022-1147
年卷期： 2016 年 81 卷 11 期
页码：
收录情况： SCI
摘要： 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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