Abstract
The purpose of this work was to compare the content of pesticide residues (250) in unprocessed plant products from farms situated in the eastern part of Poland. The content of pesticide residues in the analysed samples was assayed with the use of the QuEChERS (Quick Easy Cheap Effective Rugged Safe) method combined with HPLC-MS/MS (high performance liquid chromatography with tandem mass spectrometry) analysis. The analyses revealed that among 160 analysed samples, pesticide residues were detected in 83 samples (approximately 52%), while in 77 samples (approximately 48%), no presence of those substances was noted. In all the samples in which the presence of the sought compounds was identified, their levels did not exceed the Maximum Residue Levels (MRL). The most often identified ones were azoxystrobin—detected in 36 samples (22.5%), linuron—assayed in 33 samples (20.6%), chlorpyrifos and carbendazim—each detected in 13 samples (8.1%), metalaxyl and metalaxyl M—in 11 samples (6.9%), and acetamiprid—in 7 samples (4.4%).
Highlights
The estimation of contaminants and chemical residues in food of plant origin assumes a significant importance, which is related with the progress of science and results from the critical attitude of consumers towards the applied methods of agricultural production and to the environmental pollution [1]
In view of the above, the objective of this study was to compare the content of pesticide residues in 6 kinds of food products, i.e., vegetables, fruits, herbs, spices, and fruit and vegetable juices, as well as industrial plants originating from production farms in the eastern part of Poland
The analyses revealed that among 160 analysed samples, pesticide residues were detected in 83 samples, while in 77 samples, no presence of those substances was noted
Summary
The estimation of contaminants and chemical residues in food of plant origin assumes a significant importance, which is related with the progress of science and results from the critical attitude of consumers towards the applied methods of agricultural production and to the environmental pollution [1]. Quantitative assays of pesticide residues in food allow the estimation of the exposure of consumers to the presence of those compounds and to perform risk assessment. The results of such analyses provide important information on actual levels of pesticide residues and may cause a modification of the scope of their application in agriculture for the purpose of reduction of excessive levels relative to the Maximum Residue Levels (MRL). Current studies in the field of estimation of pesticide residues indicate the universal character of the technique of liquid
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