June 1, 2010 Thesis Open Access

Eshetu Legesse

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{
  "DOI": "10.20372/nadre:4938", 
  "author": [
    {
      "family": "Eshetu Legesse"
    }
  ], 
  "issued": {
    "date-parts": [
      [
        2010, 
        6, 
        1
      ]
    ]
  }, 
  "abstract": "<p>The threat of aflatoxin contamination in food commodities and its association with health risks<br>\nin both animals and humans continues to raise increasing concern over years. In this research, A.<br>\nflavus species found in association with peanuts in storage and their potential to produce<br>\naflatoxin in collected samples was determined. About 11 to 87% of collected peanut samples<br>\nwere infected with various moulds including Rhizopus sp., Fusarium sp., Aspergilus flavus, A.<br>\nniger, other Aspergillus sp., Penicillium sp., and other undefined sp.<br>\nAspergillus flavus is known to be the most patent aflatoxigenic strains infects 80.69 % of the<br>\ntotal samples analyzed. Eighty five percent of the tested isolates of A. flavus were capable for<br>\nthe production of aflatoxins.<br>\nFrom the total of 52 peanut (Arachis hypogaea) samples analyzed, 38 (73.06 %) were positive<br>\nfor aflatoxin. The average levels of aflatoxins detected in the seed samples were between<br>\n0.57(from Babile new harvest sample) to 447.02 ppb (from Babile three month stored in pp bag).<br>\nThe higher level of toxicity is more than twenty times greater than the acceptable dosage (20<br>\nppb: US Standards) in peanuts of three month stored after wet shelling. This research pointed out<br>\nthat the storage and shelling practice of farmers have effects in aflatoxin contamination in peanut<br>\ndespite enormous efforts to control this mycotoxin&nbsp;</p>", 
  "title": "Aflatoxin Content of Peanut (Arachis hypogaea) in Relation to Shelling and Storage Practices of Ethiopian Farmers", 
  "type": "thesis", 
  "id": "4938"
}