Removal of Deoxynivalenol and T-2 Toxin by Ultraviolet Irradiation

doi:10.7506/spkx1002-6630-201519002

Abstract

Abstract:

The effects of irradiation time, irradiation distance and pH of toxin solutions on the removal of deoxynivalenol
(DON) and T-2 toxin by ultraviolet (UV) irradiation were investigated. The concentration of toxins and their derivatives
were analyzed by high performance liquid chromatography coupled with tandem mass spectrometry (HPLC-MS/MS) and
quantified by an external standard method. The concentration of DON and T-2 toxin in solutions decreased with increasing
irradiation time and decreasing irradiation distance and pH of toxin solutions. The removal rates of DON and T-2 toxin
were (84.90 ± 2.52)% and (74.60 ± 2.74)% after UV irradiation for 60 min under the conditions of 7, 1.0 μg/mL, 20 W and
150 mm for toxin solution pH , toxin concentration , UV light power , and irradiation distance, respectively. The solutions
containing DON and T-2 toxin did not contain known derivatives of both toxins after UV irradiation. DON and T-2 toxin
might be transformed into new unknown products. DON and T-2 toxin were removed obviously by UV irradiation in
non-alkaline condition.

Key words: deoxynivalenol (DON), T-2 toxin, ultraviolet irradiation, high performance liquid chromatography-mass spectrometry

CLC Number:

TS201.6

ZOU Zhongyi, HUANG Fei, LI Hongjun. Removal of Deoxynivalenol and T-2 Toxin by Ultraviolet Irradiation[J]. FOOD SCIENCE, doi: 10.7506/spkx1002-6630-201519002.

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Removal of Deoxynivalenol and T-2 Toxin by Ultraviolet Irradiation

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