Determination of fungicide residues in grape by GC/MS
2012
Lazić, S. (Faculty of Agriculture, Novi Sad (Serbia)) | Komlen, V. (University Džemal Bijedić, Mostar (Bosnia and Herzegovina). Agromediterannian Faculty) | Šunjka, D. (Faculty of Agriculture, Novi Sad (Serbia)) | Grahovac, N. (Institute for Field and Vegetable Crops, Novi Sad (Serbia)) | Pejčić, J. (University Džemal Bijedić, Mostar (Bosnia and Herzegovina). Agromediterannian Faculty) | Rahimić, A. (University Džemal Bijedić, Mostar (Bosnia and Herzegovina). Agromediterannian Faculty) | Blesić, M. (Faculty of Agriculture and Food Science, Sarajevo (Bosnia and Herzegovina))
The extensive use of pesticides in modern farming on fruit and vegetables has posed risks to public health and environment. Pesticide residues can be found even when they are applied in accordance with good agricultural practices. This paper deals with the analysis residues of three fungicides (benalaxyl, dimethomorph, tetraconazole) by chromatographic method in grape samples. The applicability of the proposed method to detect and quantify pesticide residues has been demonstrated by the analysis sample grapes varieties "Žilavka" and "Blatina" cultivated on a small farm in the vineyards in a broader the region of Mostar. Analytes were extracted using SPE technique and analysis is performed by gas chromatography, employing mass selective detection in the selected ion monitoring mode. The content fungicides (benalaxyl, dimethomorph, tetraconazole) in grape samples is regulated by relevant EU regulation (The Annexes of Commission Regulation (EC), No. 396/2005). In grape samples analyzed in this study residues of benalaxyl and tetraconazole were found. The fungicide concentrations were bellow the MRL value permitted by EU regulations for grape.
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