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    Occurrence of Aspergillus section Flavi and section Nigri and aflatoxins in raw cashew kernels (Anacardiumoccidentale L.) from Benin

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    S16ArtLamboniOccurrenceInthomNodev.pdf (648.4Kb)
    Date
    2016
    Author
    Lamboni, Y.
    Frisvad, J.C.
    Hell, K.
    Linnemann, A.R.
    Nout, R.M.
    Tamo, M.
    Nielsen, K.F.
    Boekel, M.A. van
    Smid, E.J.
    Type
    Journal Article
    Target Audience
    Scientists
    Metadata
    Show full item record
    Abstract/Description
    The objective of this study was to evaluate the presence of Aspergillus section Flavi and A. section Nigri in cashew nuts harvested in the Northern Guinea (NG) and Southern Sudanian (SS) agro-ecological zones of Benin. Also, the presence of aflatoxins was investigated. For detection of fungal contamination, a total of 100 kernels/sample (with disinfection) and 40 kernels/sample (without disinfection) were plated. Seventy samples from fourteen villages were used. Aflatoxins occurrence was analysed on 84 samples by ultra–high performance liquid chromatography tandem mass spectrometry (UHPLC-MS/MS). The average water content and the cashew nuts count were respectively 8.6% and 172 nuts/kg in NG and 8.7% and 174 nuts/kg in SS. Significant differences between villages in both zones were found for both water content and nuts count. In disinfected samples, strains of Aspergillus section Nigri were predominant, in NG and SS zones (90.2% and 87.2%) respectively. When non disinfected kernels were plated, A. section Nigri was predominant in both NG and SS zones, with percentages of 89.7% and 93.4%, respectively. None of the 84 nuts samples were positive for natural occurrence of aflatoxins with a detection limit of 0.05–0.2 μg/kg.
    https://dx.doi.org/10.1016/j.lwt.2016.02.017
    Multi standard citation
    Permanent link to this item
    https://hdl.handle.net/20.500.12478/759
    Digital Object Identifier (DOI)
    https://dx.doi.org/10.1016/j.lwt.2016.02.017
    IITA Subjects
    Aflatoxin
    Agrovoc Terms
    Aspergillus; Aflatoxins; Cashew; Flavi; Mycotoxins; Fungi
    Regions
    Africa; West Africa
    Countries
    Benin
    Journals
    LWT - Food Science and Technology
    Collections
    • Journal and Journal Articles4835
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