Abstract
The distribution of Aspergillus flavus was determined in imported raw Iranian pistachio nuts. Occurrence of aflatoxin-producing strains in aflatoxin positive samples was markedly higher, whereas ratio of aflatoxin-producing strains of A. flavus in aflatoxin negative sample was relatively low. Distribution of A. flavus on shells and kernels of the nuts showed as difference among individual samples. Occurrence of aflatoxin-producing strains was examined in pistachio nuts samples collected from different geographical areas in Iran.
