Industry 4.0
Vol. 9 (2024), Issue 1, pg(s) 10-13

DOMINANT TECHNOLOGIES IN “INDUSTRY 4.0”

Application of gamma irradiation for decomposition of ochratoxin a, zearalenone and deoxynivalenol in wheat flour

  • 1 University of Sofia ―St. Kliment Ohridski‖, Faculty of Chemistry and Pharmacy, Sofia, Bulgaria
  • 2 BULGAMMA, Sopharma JSC, Sofia, Bulgaria

Abstract

The paper presents the applicability of gamma irradiation for the degradation of mycotoxins ochratoxin A, zearalenone and deoxynivalenol in wheat flour. The experiment was carried out by contamination of wheat flour samples with mixture of the mycotoxins and their gamma irradiaton with doses of 5 kGy, 10 kGy and 20 kGy using industrial gamma irradiation facility BULGAMMA. The concentrations of the mycotoxins before and after the radiation processing were measured by HPLC. The results showed that the application of a dose of 10 kGy resulted in incomplete decomposition of the investigated mycotoxins: 12 % of deoxynivalenol, 13 % of ochratoxin A and 37 % of zearalenone. The decomposition of the investigated mycotoxins in wheat flour achieved after gamma irradiation with a dose of 20 kGy was found to increase in the following order: ochratoxin A (48 %) > zearalenone (66 %) > deoxynivalenol (97 %).

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