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    Aflatoxin in chili peppers in Nigeria: extent of contamination and control using atoxigenic aspergillus flavus genotypes as biocontrol agents

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    U19ArtEzekielAflatoxinInthomDev.pdf (735.9Kb)
    Date
    2019
    Author
    Ezekiel, C.N.
    Ortega-Beltran, A.
    Oyedeji, E.O.
    Atehnkeng, J.
    Kössler, P.
    Tairu, F.
    Hoeschle-Zeledon, I.
    Karlovsky, P.
    Cotty, P.J.
    Bandyopadhyay, R.
    Type
    Journal Article
    Target Audience
    Scientists
    Metadata
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    Abstract/Description
    Across sub-Saharan Africa, chili peppers are fundamental ingredients of many traditional dishes. However, chili peppers may contain unsafe aflatoxin concentrations produced by Aspergillus section Flavi fungi. Aflatoxin levels were determined in chili peppers from three states in Nigeria. A total of 70 samples were collected from farmers’ stores and local markets. Over 25% of the samples contained unsafe aflatoxin concentrations. The chili peppers were associated with both aflatoxin producers and atoxigenic Aspergillus flavus genotypes. E cacy of an atoxigenic biocontrol product, Aflasafe, registered in Nigeria for use on maize and groundnut, was tested for chili peppers grown in three states. Chili peppers treated with Aflasafe accumulated significantly less aflatoxins than nontreated chili peppers. The results suggest that Aflasafe is a valuable tool for the production of safe chili peppers. Use of Aflasafe in chili peppers could reduce human exposure to aflatoxins and increase chances to commercialize chili peppers in premium local and international markets. This is the first report of the e cacy of any atoxigenic biocontrol product for controlling aflatoxin in a spice crop.
    https://dx.doi.org/10.3390/toxins11070429
    Multi standard citation
    Permanent link to this item
    https://hdl.handle.net/20.500.12478/6179
    Non-IITA Authors ORCID
    Alejandro Ortega-Beltranhttps://orcid.org/0000-0003-3747-8094
    Irmgard Hoeschle-Zeledonhttps://orcid.org/0000-0002-2530-6554
    Ranajit Bandyopadhyayhttps://orcid.org/0000-0003-2422-4298
    Digital Object Identifier (DOI)
    https://dx.doi.org/10.3390/toxins11070429
    Research Themes
    PLANT PRODUCTION & HEALTH
    IITA Subjects
    Aflatoxin; Disease Control; Plant Diseases; Plant Genetic Resources; Plant Health
    Agrovoc Terms
    Aflatoxins; Chillies; Biological Control; Nigeria; Pepper
    Regions
    Africa; West Africa
    Countries
    Nigeria
    Journals
    Toxins
    Collections
    • Journal and Journal Articles4835
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