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    Aflatoxins and fumonisin contamination of marketed maize, maize bran and maize used as animal feed in northern Tanzania

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    Date
    2016-07-30
    Author
    Nyangi, C.
    Mugula, J.K.
    Beed, Fen D.
    Boni, S.
    Koyano, E.
    Sulyok, M.
    Type
    Journal Article
    Target Audience
    Scientists
    Metadata
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    Abstract/Description
    The objective of this study was to investigate the occurrence of total aflatoxin and total fumonisin in maize and maize-based products in Babati, northern Tanzania. A total of 160 samples were collected in 2013-14. Quantification for total aflatoxin and fumonisin was done using enzyme-linked immunosorbent assay (Reveal AccuScan® Neogen, USA) and the results were confirmed using Liquid Chromatography Tandem Mass Spectrometer. Aflatoxin was detected in 32% of maize samples (mean 3.4 ± 0.3 µg/kg; range 2.1–16.2 µg/kg) and fumonisin in 39% of samples (mean 5.6 ± 1.40 mg/kg; range 0.4–62.0 mg/kg). Among marketed products, maize bran (used for animal feed) was the most contaminated (2.4 µg/kg aflatoxin and 1 mg/kg fumonisin), followed by whole maize in market stalls (1.9 µg/kg aflatoxin and 0.4 mg/kg fumonisin) and then maize flour (1.4 µg/kg aflatoxin and 0.3 mg/kg fumonisin). Un-marketed maize sorted out by farmers as “bad” and intended for animal feeding was the most contaminated (overall mean aflatoxin and fumonisin levels of 1.7 µg/kg and 7.4 mg/kg, respectively). The results indicate that levels of aflatoxin and fumonisin contamination in marketed maize were within tolerable limits.
    https://dx.doi.org/10.18697/ajfand.75.ILRI07
    Multi standard citation
    Permanent link to this item
    https://hdl.handle.net/20.500.12478/1256
    Digital Object Identifier (DOI)
    https://dx.doi.org/10.18697/ajfand.75.ILRI07
    Agrovoc Terms
    Aflatoxins; Animal Feeding; Maize; Markets
    Regions
    Africa; East Africa; Southern Africa
    Countries
    Tanzania
    Journals
    African Journal of Food Agriculture, Nutrition and Development
    Collections
    • Journal and Journal Articles4835
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