Dietary exposure to aflatoxin in Benin City, Nigeria: a possible public health concern.

A total of 100 samples of various foods comprising of 10 samples each of garri (Manihot utilis Pohl), beans (Phaseolus lunatus), yam flour (Dioscorea rotundata), cassava flour (Manihot esculentum), melon (Citrulus lunatus), onion (Allium cepa), rice (Oryza sativa), plantain (Musa paradisiaca), red pepper (Capsicum annuum L., Solanaceae) and eggs were screened for the presence of aflatoxins. Fifty percent of yam flour; 40% of cassava flour; 30% of garri; 20% of beans and melon and 10% of rice yielded aflatoxin. The implications of this incidence of aflatoxin in common foodstuff found in this community is discussed.