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  • Title: Detection of masked mycotoxins derived from type A trichothecenes in corn by high-resolution LC-Orbitrap mass spectrometer.
    Author: Nakagawa H, Sakamoto S, Sago Y, Kushiro M, Nagashima H.
    Journal: Food Addit Contam Part A Chem Anal Control Expo Risk Assess; 2013; 30(8):1407-14. PubMed ID: 23721119.
    Abstract:
    Masked mycotoxins (mycotoxin glucosides) derived from type A trichothecenes were detected in commercially available corn powder reference material. These new glucosides were identified as neosolaniol-glucoside (NESGlc) and diacetoxyscirpenol-glucoside (DASGlc) on the basis of accurate mass measurements of characteristic ions and fragmentation patterns using high-resolution liquid chromatography-Orbitrap mass spectrometric (LC-Orbitrap MS) analysis. Although the absolute structure was not clarified, 3-OH glucosylation appeared to be the most probable when considering the structures of neosolaniol and diacetoxyscirpenol and the fragmentation profiles of these masked mycotoxins. Concomitant detection of deoxynivalenol-3-glucoside, the most well-known masked mycotoxin derived from the type B trichothecene, deoxynivalenol, in the identical material further supports this probability.
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