Determinación de Aflatoxina M1en quesillos artesanales comercializados en los mercados de la ciudad de Cuenca mediante la técnica de cromatografía líquida de alta resolución (HPLC)

Abstract

This study was conducted in order to determine the level of aflatoxin M1 (AFLA M1) present in artisan cheeses sold in markets “9 de Octubre, 12 de April, 10 de Agosto and Feria Libre” of the City of Cuenca by the technique Liquid Chromatography High Resolution (HPLC) and their suitability with Brazilian legislation corresponding to 2.5 ug/kg of AFLA M1 in cheese. 33 samples were analyzed, where 7 samples were positive of which 4 were among the limit of detection and quantification (0.04 to 0.08 ug/kg), 3 were quantifiable, the maximum concentration of 0.83 ug/kg. The values of AFLA M1 were below the maximum limit allowed by the rules. Therefore, different samples of artisan cheeses sold in markets 9 de Octubre, 12 de April, 10 de Agosto and Feria Libre” in the city of Cuenca studied in this research could be considered fit for human consumption in terms of exposure to AFLA M1.