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Aflatoxin B2

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Yunliang Zheng – One of the best experts on this subject based on the ideXlab platform.

Gene-hsiang Lee – One of the best experts on this subject based on the ideXlab platform.

Yong Rok Lee – One of the best experts on this subject based on the ideXlab platform.

Lianjun Luan – One of the best experts on this subject based on the ideXlab platform.

  • simultaneous determination of Aflatoxin b1 Aflatoxin B2 mycophenolic acid and sterigmatocystin in grape pomace by uhplc ms ms
    World Mycotoxin Journal, 2014
    Co-Authors: Lianjun Luan, Na Chen, Zheng Han, Xuesong Liu, Yunliang Zheng
    Abstract:

    A reliable ultrahigh performance liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS) method was developed for the simultaneous determination of Aflatoxin B1, Aflatoxin B2, mycophenolic acid and sterigmatocystin in grape pomace. The samples were extracted by acetonitrile aqueous solution and further purified using a solid-phase extraction-based homemade clean-up cartridge. Next, the analytes were separated on a reversed-phase C18 column with a mobile phase consisting of water and acetonitrile. The separated compounds were detected with a tandem quadrupole mass spectrometer operating in positive electro-spray ionisation mode using multiple reaction monitoring. The established method was extensively validated by determining linearity (R2≯0.999), recovery (97.5-102.8%) and precision (relative standard deviation ≤7.0%). This method was then used for the simultaneous determination of the four mycotoxins in grape pomace samples.

  • Simultaneous determination of Aflatoxin B1, Aflatoxin B2, mycophenolic acid and sterigmatocystin in grape pomace by UHPLC-MS/MS
    World Mycotoxin Journal, 2014
    Co-Authors: Lianjun Luan, Na Chen, Zheng Han, Xuesong Liu, Yunliang Zheng
    Abstract:

    A reliable ultrahigh performance liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS) method was developed for the simultaneous determination of Aflatoxin B1, Aflatoxin B2, mycophenolic acid and sterigmatocystin in grape pomace. The samples were extracted by acetonitrile aqueous solution and further purified using a solid-phase extraction-based homemade clean-up cartridge. Next, the analytes were separated on a reversed-phase C18 column with a mobile phase consisting of water and acetonitrile. The separated compounds were detected with a tandem quadrupole mass spectrometer operating in positive electro-spray ionisation mode using multiple reaction monitoring. The established method was extensively validated by determining linearity (R2≯0.999), recovery (97.5-102.8%) and precision (relative standard deviation ≤7.0%). This method was then used for the simultaneous determination of the four mycotoxins in grape pomace samples.

Wei-lun Huang – One of the best experts on this subject based on the ideXlab platform.