engleski

Pesticide residue analysis of plant samples

Plant protection products are widely used in agricultural production to control pests, increase yield, improve quality, and extend the shelf life of produce. Although their properties are usually valuable, these very properties can have negative effects when pesticide residues are released into the environment. The presence of pesticide residues, their metabolites or degradation products in the environment is a significant risk factor. Therefore, out of concern for public health, maximum residue limits (MRLs) were established by Regulation (EC) No. 396/2005. MRLs are legally permissible upper limits for pesticide residues in or on food or animal feed based on good agricultural practice (GAP) and the lowest exposure necessary to protect vulnerable consumers. Residue analysis provides a measure of the nature and extent of chemical contamination in the environment and its persistence. With the increasing focus on food safety, accurately determining pesticide residues in food has become an important issue. The most common analytical techniques for the detection of pesticide residues are gas chromatography-mass spectrometry (GC-MS) for volatile compounds and liquid chromatography- mass spectrometry (LC-MS) for non-volatile, thermally unstable, and polar compounds without derivative. The combination of chromatography and MS is become one of the most powerful tools for screening, confirmation, and quantification of complicated organic contaminants. The authors will present the advantages of each method as an important procedure for determining the safety of using certain pesticides.

analytical chemistry, detection, food safety, pesticides, residues

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