Profile of major and emerging mycotoxins in sesame and soybean grains in the Federal Capital Territory, Abuja, Nigeria

  • Stephen O. Fapohunda Department of Microbiology, Babcock University, Ilishan-Remo, Ogun State, Nigeria
  • Toba S. Anjorin Department of Crop Protection, Faculty of Agriculture, University of Abuja, PMB117, Abuja, Nigeria
  • Michael Sulyok Center for Analytical Chemistry, Department of Agrobiotechnology (IFA-Tulln), University of Natural Resources and Life Sciences Vienna (BOKU), Konrad Lorenzstr, 20, A-3430 Tulln, Austria
  • Rudolf Krska Center for Analytical Chemistry, Department of Agrobiotechnology (IFA-Tulln), University of Natural Resources and Life Sciences Vienna (BOKU), Konrad Lorenzstr, 20, A-3430 Tulln, Austria
Keywords: Emerging mycotoxins, Nigeria, Liquid chromatography/tandem mass spectrometry, Regulated mycotoxins, Sesame, Soybean

Abstract

The spectrum of major and emerging mycotoxins in sesame and soybean grains from the six zones of the Federal Capital Territory (FCT), Abuja, Nigeria was determined using Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS). A total of 47 samples (24 sesame and 23 soybean were collected from farmers’ stores. Seven regulated mycotoxins in sesame and five in soybean including aflatoxin B1 (AFB1), aflatoxin B2 (AFB2) and fumonisin B1 (FB1) were detected. However, concentrations were generally lower than regulatory limits set in the EU for raw grains with the exception of ochratoxin A (OTA) exhibiting a maximum concentration level of 23.1 µg kg-1 in one of the soybean samples. This is the first report concerning the contamination of sesame and soybean in Abuja, FCT-Nigeria with the emerging mycotoxins addressed by recent European Food Safety Authority (EFSA) opinion papers totalling 10 in number. These include beauvericin (BEA), moniliformin (MON), sterigmatocystin (STE), altertoxin-I (ATX-I), alternariol (AOH), alternariol methylether (AME) though at relatively low µg kg-1 range. This preliminary data indicate that sesame and soybean might be relatively safe commodities in view of the profile of mycotoxins.

DOI: http://dx.doi.org/10.5281/zenodo.1307184

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Published
2018-07-07
How to Cite
(1)
Fapohunda, S.; Anjorin, T.; Sulyok, M.; Krska, R. Profile of Major and Emerging Mycotoxins in Sesame and Soybean Grains in the Federal Capital Territory, Abuja, Nigeria. European Journal of Biological Research 2018, 8, 121-130.
Section
Research Articles