INCIDENCE OF AFLATOXINS AND MOLD FLORA IN CORN SNACKS

Survey on the occurrence of aflatoxins and mould nora in 60 different corn snack samples showed that all the kody samples were contaminated with aflatoxins B-1, B-2, G(1) and G(2) at concentrations, ranging fro m 50 to 100 mu g/ kg. Fifty-one species and 1 variety belonging to 26 genera were isolated from all samples, at 28 degrees C. The predominan t mesophiles were: Aspergillus flavus, A. fumigatus A. niger on diclor an rose-Bengal agar. A. niger and A. flavus, Cladosporium sphaerosperm um Eurotium amstelodami and Penicillium chrysogenum on 15% NaCl-Czapek 's agar. On YpSs agar at 45 degrees C, 9 species belonging to 6 genera and some yeasts were identified. A fumigatus was the most common spec ies on all kinds of corn snacks, Papulaspora sp. and A. niger were rec orded in high frequencies on dracula and kody samples, respectively. Y easts were isolated in low occurrence from karate, and high occurrence on the other three kinds of snacks at 45 degrees C.