Aflatoxin in Tunisian foods and foodstuffs.

1076 samples of different commodities were screened for aflatoxin contamination. Samples were taken from storage houses and dealers throughout the country. 14 of these samples contained aflatoxin (as much as 62 microgram/kg). Corn was found to be the most contaminated agricultural product followed by sorghum and peanuts. Wheat and barley showed no contamination. 1 out of 19 pistachio samples contained 22 microgram/kg of aflatoxin B1. Fluid milk showed no contamination while only 2 out of 248 cheese samples were found contaminated with aflatoxin M1 (10.6 microgram/kg).