Aflatoxins in retail food products in Bursa, Turkey.

Aflatoxin B1 (AFB1) in 25 cacao hazelnut cream and 15 dried apricot samples and aflatoxin M1 (AFM1) in 130 cheese samples (35 full fatty Turkish white cheeses, 35 fresh kashars, 25 old kashars, 20 Gravyer cheeses and 15 cream cheeses) randomly collected from traditional retail markets with insufFicient chilling facilities in Bursa, Turkey, were determined by ELISA. Mean AFB1 and AFM1 in the cacao hazelnut cream, dried apricot and cheese were 1,076.5 +/- 194.4 ng/kg, 1,441.3 +/- 331.9 ng/kg and 142.2 +/- 18.7 ng/kg, respectively; 15.45% of the cheese samples exceeded the Turkish AFM1 tolerance limit of 250 ng/kg.