Abstract
The selective enzymatic deacetylation of T-2 toxin to give HT-2 toxin has been investigated in aqueous crude extracts of different cereals and exploited to develop an analytical method for the determination of the sum of T-2 and HT-2 toxins. The method has been validated for the analysis of total T-2 and HT-2 toxins in maize, wheat, and oats, showing recoveries from 72 to 97% for maize, from 67 to 84% for wheat, and from 61% to 87% for oats, at spiking levels of 20-400 microg/kg, with relative standard deviation lower than 10%. Liquid chromatography-tandem mass spectrometry was used for quantitative toxin determination. The potential biological role of this enzymatic conversion and its perspectives for application in the development of antibody-based analytical techniques are discussed.
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