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. 2011;4(3):168-79.
doi: 10.1080/19393210.2011.589034. Epub 2011 Jul 12.

Mycotoxin occurrence in commodities, feeds and feed ingredients sourced in the Middle East and Africa

I Rodrigues  1 , J Handl, E M Binder
Affiliations
Free PMC article

Mycotoxin occurrence in commodities, feeds and feed ingredients sourced in the Middle East and Africa

I Rodrigues et al. Food Addit Contam Part B Surveill. 2011.
Free PMC article

Abstract

Between February and October 2009, 324 grain, feed and feed commodity samples were sourced directly at animal farms or feed production sites in Middle East and Africa and tested for the presence of A- and B-trichothecenes, zearalenone, fumonisins, aflatoxins and ochratoxin A, or for selected groups of mycotoxins only. Samples were analyzed after clean-up by immunoaffinity or solid-phase extraction followed by HPLC with derivatization where appropriate and fluorescence, UV or mass spectrometric detection. The percentage of positive samples of B-trichothecenes ranged from 0 to 87% of tested samples. The prevalence of fumonisins in the different countries was >50% in most cases. Zearalenone was present in tested commodities from all countries except three. The presence of aflatoxin in analyzed samples varied from 0 to 94%. Ochratoxin A was present in 67% of samples in Sudan and in 100% of Nigerian samples. No A-trichothecenes were found in this survey.

Keywords: aflatoxins; animal feed; animal feedingstuffs; fumonisins; fusarium toxins; mycotoxins; ochratoxin A; trichothecenes; zearalenone.

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