Preliminary evaluation of fumonisins by the Nordic countries and occurrence of fumonisins (FB1 and FB2) in corn-based foods on the Danish market.
Experts from the Nordic countries (Denmark, Norway, Sweden, Finland and Iceland) have carried out an evaluation of fumonisins. The working group members concluded that, at that time point, it was not possible to carry out a complete risk assessment. However, it was recommended that the human daily' intake of fumonisins should be less than 1 microg/kg bw/day. Subsequently, the presence of the Fusarium mycotoxins fumonisin B1 and B2 (FB1 and FB2) in corn-based food on the Danish retail market has been determined. A total of 70 samples were analysed and 37% contained FB1 and 21% contained FB2. No fumonisins were found in sweet corn (canned or frozen), corn-on-the-cob, corn starch or gruel powder for babies. FB1 was found in about half of the corn flakes, corn snack and popcorn (not popped) samples, whereas FB2 was seen to a lesser extent. Both FB1 and FB2 were found in 75% or more of the corn flour, tacos and polenta samples. In general, the content of FB1 was in the range of 1-1000 micro/kg and the content of FB2 was in the range of 4-250 microg/kg. Corn-based foods are consumed in rather low amounts and irregularly among the Danish population and therefore it is not meaningful to calculate an average daily funonisin intake. An estimate for an 'eater' shows that the intake of fumonisins will not exceed 0.4 microg/kg bw/day.
Petersen
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Institute of Food Research and Nutrition, Danish Veterinary and Food Administration, Soborg. ap@fdir.dk
Thorup
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D000818:Animals; D002264:Carboxylic Acids / Q000008:administration & dosage / Q000032:analysis* / Q000633:toxicity; D002274:Carcinogens, Environmental / Q000008:administration & dosage / Q000032:analysis* / Q000633:toxicity; D002851:Chromatography, High Pressure Liquid / Q000379:methods; D003718:Denmark; D004032:Diet; D005506:Food Contamination; D037341:Fumonisins; D006801:Humans; D009183:Mycotoxins / Q000008:administration & dosage / Q000032:analysis / Q000633:toxicity; D018570:Risk Assessment; D003313:Zea mays / Q000737:chemistry*
D002264:Carboxylic Acids; D002274:Carcinogens, Environmental; D037341:Fumonisins; D009183:Mycotoxins; C056934:fumonisin B2; C056933:fumonisin B1