Deoxynivalenol (DON , Vomitoxin) is a type B trichothecene. It occurs in grains such as wheat, barley, oats, rye, and maize, rice, sorghum. Deoxynivalenol (DON ) is produced by numerous strains of Fusarium and some other fungi. Deoxynivalenol (DON ) poisonings occur both in humans and farm animals. Deoxynivalenol (DON ) is highly toxic, producing a wide range of immunological disturbances and is particularly noted for inducing feed refusal and emesis in pigs, hence the alternative name vomitoxin Deoxynivalenol (DON ) usually co-occurs with other Fusarium toxins, such as Zearalenone, Nivalenol and its derivates, as well as the group of fumonisins.