Citation: WANG Yu-Jiao, NIE Ji-Yun, YAN Zhen, LI Zhi-Xia, CHENG Yang, ZHANG Xiao-Nan. Simultaneous Determination of 16 Kinds of Mycotoxins in Common Dried Fruits by Ultra Performance Liquid Chromatography-Tandem Mass Spectrometry[J]. Chinese Journal of Analytical Chemistry, ;2017, 45(10): 1556-1563. doi: 10.11895/j.issn.0253-3820.170186
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A method for simultaneous detection of multi-mycotoxins in ten kinds of common dried fruits was been exploited by using ultra performance liquid chromatography-tandem mass spectrometry. The edible part of dried fruits was ground up with certain quantity of water. The mash was extracted by 10 mmol/L citric acid-acetonitrile, purified by C18 column, and filtered using 0.22-μm organic filtration. All the sixteen mycotoxins were well separated in 8 min on ACQUITY UPLC BEH C18 column with acetonitrile as phase A and 10 mmol/L ammonium acetate solution containing 0.1% formic acid as mobile phase B. Result showed that the limits of detection (LODs) for the sixteen mycotoxins were 0.01-1.00 μg/L, with linearity range of 1-200 μg/L and correlation coefficients above 0.9981. The average recoveries of the sixteen mycotoxins in ten matrices were 70.48%-118.85%, and the relative standard deviation (RSD, n=6) was 0.3%-11.9%. This economical, fast, simple and efficient method could be used for simultaneous detection of multi-mycotoxins in different dried fruits matrixes.
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