Further data on the occurrence of Fusarium emerging mycotoxins enniatins (A, A1, B, B1), fusaproliferin and beauvericin in raw cereals commercialized in Morocco

In this study, 64 samples of raw cereals (wheat, maize and barley) purchased from local markets in Rabat-Salé area from Morocco were analyzed for the occurrence of six emerging mycotoxins: four enniatins ENs (ENA, ENA1, ENB and ENB1), beauvericin (BEA) and fusaproliferin (FUS). Samples were extracted with a mixture of water/acetonitrile (85/15, v/v) by using an Ultra-turrax homogenizer. Mycotoxins were then identified and quantified with a liquid chromatography (LC) with diode array detector (DAD). Positive samples were confirmed with an LC-MS/MS. Analytical results showed that the frequencies of contamination of total samples with ENs, BEA and FUS were 50, 26.5 and 7.8%, respectively. ENA1 was the most common EN found with a percentage of contamination of 39%, levels ranged between 14 and 445 mg/kg. ENB contaminated 14 samples (21.8%) and levels ranged from 5 to 100 mg/kg. ENB1 was present in four samples (6.2%) and levels varied from 8 to 32 mg/kg. ENA was detected in only one sample with 34 mg/kg. BEA levels ranged from 1 to 59 mg/kg and FUS levels varied from 0.6 to 2 mg/kg. The present report is the first one ever drafted on the presence of emerging Fusarium mycotoxins in raw cereals available in Morocco.