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The natural occurrence of fumonisins B(1) and B(2), the incidence of Fusarium organisms, and the capacity of Fusarium isolates to produce fumonisins were investigated with 50 corn-based samples from Spain destined for human consumption. Eight samples (16%) were found to be contaminated with fumonisins. The levels of contamination were very low, with a mean of 80 ng/g.
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Sanchís et al. (1994) studied this question.
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