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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Monatshefte für Chemie 123 (1992), S. 849-852 
    ISSN: 1434-4475
    Keywords: 16H-2,5,8,11,14-Pentaoxacyclopentadecano[2,3-a]phenoselenazin-16-one ; 20-Chloro-16H-2,5,8,11,14-pentaoxacyclopentadecano[2,3-a]phenoselenazin-16-one ; 17-Bromo-16H-2,5,8,11,14-pentaoxacyclopentadecano[2,3-a]phenoselenazin-16-one ; 20-Chloro-17-bromo-16H-2,5,8,11,14-pentaoxacyclopentadecano[2,3-a]phenoselenazin-16-one
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Zusammenfassung Es wurden einige substituierte Kronen-Phenoselenazin-16-on-Derivate mittels Kondensation von substituierten Zink-2-aminobenzolselenolaten mit dem 1,4-Chinon von Benzo[15]krone-5 oder seinem Dibromid in alkoholischer Lösung dargestellt. Die Dehalogenierung der Bromselenazinone wurde ebenfalls untersucht.
    Notes: Summary Several substituted crowned phenoselenazin-16-one derivatives were prepared by condensation of substituted zinc 2-amino-benzeneselenolates with 1,4-quinone of benzo[15]crown-5 or its dibromide in alcoholic solution. The dehalogenation of the bromoselenazinones was also investigated.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1573-0832
    Keywords: deoxynivalenol ; nivalenol ; zearalenone ; Fusarium ; mycotoxins ; cereals
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract A survey for the natural occurrence of Fusarium mycotoxins, deoxynivalenol (DON), nivalenol (NIV) and zearalenone (ZEN), in Dutch cereals (totaling 29 samples) harvested in 1984/1985, showed that 90%, 79% and 62% of samples were contaminated with DON, NIV and ZEN, respectively. Average contents (ng/g) in the total of positive samples were 221 (DON), 123 (NIV) and 61 (ZEN). Among the cereals examined, the highest concentrations (ng/g) was 3198 (DON), 1875 (NIV) and 677 (ZEN) in a yellow corn sample for animal feed. The results of this survey show that Dutch cereals were relatively significantly contaminated with Fusarium mycotoxins.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1573-0832
    Keywords: Nivalenol ; deoxynivalenol ; zearalenone ; Canadian cereals
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract An investigation for the occurrence of nivalenol (NIV), deoxynivalenol (DON) and zearalenone (ZEN) in cereals (ten wheat, one rye and one corn) harvested in Canada have been carried out using a procedure, which is rapid and sensitive for Fusarium mycotoxins. NIV, DON and ZEN were detected in 4, 9 and 9 out of ten wheat samples, and their average levels in the positives were 23 ng/g, 1257 ng/g and 9 ng/g, respectively. One rye and one corn were also contaminated with a minor amount of NIV. This is the first evidence for the natural occurrence of NIV in cereals grown in Canada, though its level was far less than DON.
    Type of Medium: Electronic Resource
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