ABSTRACT:
This a model from the article:
Critical study of and improvements in chromatographic methods for the analysis
of type B trichothecenes.
Mateo JJ, Llorens A, Mateo R, Jimenez M. J Chromatogr A
2001 May 18;918(1):99-112 11403460
,
Abstract:
Various analytical methods used in the analysis of type B trichothecenes
(deoxynivalenol, nivalenol, 3- and 15-acetyldeoxynivalenol) in cereals were
compared and optimised in this work. These methods use either
GC-electron-capture detection (ECD) of trimethylsilyl, trifluoroacetyl and
heptafluorobutyryl derivatives or HPLC with UV or photodiode array detection of
analytes. A new HPLC procedure using fluorescence detection prior derivatisation
with coumarin-3-carbonyl chloride has been also tested. Five extraction solvents
and two solid-phase extraction cartridges (silica, Florisil) plus a especial
clean-up column (MycoSep 225) were compared in order to obtain the best recovery
of the mycotoxins with minimal presence of coextractives in the chromatograms.
The chosen extraction solvent was a mixture of acetonitrile-water (84:16, v/v).
The MycoSep 225 column was chosen as the best alternative for clean-up of grain
samples. For GC-ECD analysis, derivatisation of analytes with heptafluorobutyric
anhydride prior the final determination was chosen as the most suitable
procedure. HPLC-photodiode array (at 221 nm) analysis was more suitable for
determination of type B trichothecenes than HPLC of the fluorescent
coumarin-3-carbonyl derivatives. Recoveries obtained in spiked corn, rice and
wheat are reported. The utility of the proposed methodology was assayed in
cereal cultures of various Fusarium strains.
This model was taken from the CellML repository
and automatically converted to SBML.
The original model was:
Mateo JJ, Llorens A, Mateo R, Jimenez M. (2001) - version=1.0
The original CellML model was created by:
Catherine Lloyd
c.lloyd@auckland.ac.nz
The University of Auckland
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Camille Laibe 