Aflatoxins are secondary metabolites produced by moulds of the Aspergillus family, which contaminate several crops, including cereals, oilseeds, tree nuts, and spices. Due to the fact that Aspergillus moulds could grow on crops pre-, during, and postharvest and that their toxic metabolites are very stable to chemical and physical stresses, aflatoxins have been found in raw and processed materials and represent the most common cause of chemical contamination of foodstuffs, according to the European Union alert system (EU Rapid Alert System for Food and Feed).