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A gas chromatographic method for the mycotoxin penicillic acid

Authors
Journal
Journal of Chromatography A
0021-9673
Publisher
Elsevier
Publication Date
Volume
65
Issue
3
Identifiers
DOI: 10.1016/s0021-9673(00)84996-1

Abstract

Abstract Penicillic acid was satisfactorily resolved by gas chromatography either as the trimethylsilyl derivative or in the underivatized form using 3% of Dexsil 300, 3% of OV-17 or 3% of OV-25 liquid phase on Gas-Chrom Q. The limit of quantitation was approximately 25 ng. Extraction and detection of penicillic acid together with another important mycotoxin, patulin, was demonstrated in moldy corn. In addition; a preliminary clean-up procedure using thin-layer chromatography is described for crude extracts, which improves resolution and sensitivity in the gas chromatographic analysis of penicillic acid.

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