Original scientific paper

Stir bar sorptive extraction methods for determination of pesticide residues in wine and a study of storage wines from Slovenia

2021, 22 (3)   p. 557-570

Helena Baša Česnik, Špela VELIKONJA BOLTA


New analytical methods for the determination of pesticide residues in wine were introduced and validated. Extraction was performed with sorption of the active substances on the stir bar and determination by gas chromatography-mass spectrometry and liquid chromatography-tandem mass spectrometry. The methods were applied in practice. A total of 77 active substances were searched for in 42 wine samples from all 3 wine-growing regions of Slovenia. The fungicides dimethomorph, fludioxonil and pyraclostrobin were found in 78.6% of all analysed samples. The risk assessment concluded that the analysed wine samples do not pose an unacceptable risk to consumers. The results were compared with previous studies.


wine, GC-MS, LC-MS/MS, SBSE, pesticide residues, multiresidual method

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