For its protection and quality, the maize raw seed has pesticides, to prevent its consumption it is treated with dyes that mark that it should not be used other than for planting. The goal of this research was to identify the existence of mycotoxins in the sowing of the raw seed. Two samples that were analysed by LC/MS/MS, classified as pink 1 and pink 2, were used. A pattern of 20 mycotoxins in both samples was shown in the results. Aflatoxins (AFB1, AFB2, AFG1, AG2) 16.2 ng g-1, trichothecenes (Nivalenol, Neosolanol, fusarenone X, DAS, HT-2, FB1, FB2, FB3, T-2, Zearalenone and two derivatives with a concentration of 242.5 ng g-1, enniantine 8.6 ng g-1, 8.7 ng g-1, Ochratoxin A, Sterigmatocystin 6.5 ng g-1, Roquefortine C, 2.5 ng g-1. In the Pink 2 study, aflatoxin 17.7 ng g-1, 343 ng g-1 trichothecenes, Ochratoxin 8.9 ng g-1, Sterigmatocystin 6.5 ng g-1, Roquefortin C, 3.3 ng g-1. The highest content of mycophenolic acid was 592 and 479 ng g -1, respectively. Additionally, the dyes in these samples may have stopped further mycotoxins from being isolated and identified. The occurrence of multiple mycotoxins in raw maize seed is shown by the first monitoring carried out in this study, which indicates that the use of high-quality raw materials substantially decreases mycotoxin contamination in the final products.
Author(s) Details
Department of Animal and Agricultural Production, Laboratory of Toxicology, UAM-X, Calzada del Hueso 1100 Col Villa Quietud, D.F. CP 04260, México.
E. Posadas M
Department of Animal Ruminants, Faculty of Veterinary Medicine, UNAM, Mexico.
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