PESTICIDE RESIDUES ON FRESH AND PROCESSED VEGETABLES

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  • 1 1Agriculture Canada Research Station, 430 Gouin Blvd, St-Jean-sur-Richelieu (Que) J3B 3E6, Canada
  • | 2 2Dept. de Science et technologie des aliments, Univ. Laval
  • | 3 3Dept. de phytologie, Université Laval

A research project was undertaken in 1990 with the objective of improving both quality and productivity of peas, beans and sweet corn grown and processed in Quebec (Canada). It was conducted with the technical and financial help of five proccessing companies. Cultivar trials were undertaken as part of this project together with an evaluation of commercial practices in the areas of pest control, fertilization and crop management. Samples of fresh and processed products were analysed for nutritional quality and pesticide residues. During this presentation we will show preliminary results of the pesticide residue analyses and will compare fresh and processed products. So far, determination of dimethoate, trifluralin and bentazone (peas), azinphosmethyl and permetrin (beans) and cypermetrin (sweet corn) showed no concentration exceeding the Canadian norm (<0, 1mg/kg), with the exception of a bean field with azinphosmethyl residues. Canning and freezing operations greatly reduced pesticide residues so that all processed samples tested below detectable levels.

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