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    Mycoflora and mycotoxins of peanut (arachis hypogaea l.) Seeds in egypt. II - mycotoxin production by thermophilic or thermotolerant fungi

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    07-87-7-0008-fulltext.pdf (335.9Kb)
    Date
    1987
    Author
    El Maraghy, S. S. Mohamed [سعد شحاتة محمد المراغي]
    El-Magraby, O. M. O.
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    Abstract
    Twelve species and one variety which belong to 6 genera were identified from 40 peanut seed samples using a dilution—plate method on 1% glucose—Czapek's medium at 4S°C. Aspergillus (6 species and 1 variety) followed by Mucor (1 species) were the most frequent genera. From the preceding genera, A. fumigatus was extremely dominant, followed by Mucor pusillus, A. niger, A. ten-ens and A. nidulans. Fifty—four isolates belonging to the previous species were screened for the production of mycotoxins at 28 and 45°C. Thin layer chromatographic (TLC) analysis revealed that 7 isolates belonging to A. flaws, A. nidulans and A. versicolor produced aflatoxins B] and B^, sterigmatocystin and versicolorin A, respectively at 28°C but none of the isolates tested produced any detectable amount of mycotoxins when grown at 43°C.
    DOI/handle
    http://hdl.handle.net/10576/10165
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    • Qatar University Science Journal - [From 1981 TO 2007] [‎770‎ items ]

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