Pesticide Residue Analysis and Safety

Pesticide residue analysis examines how agricultural chemicals persist in food after application, and whether their concentrations remain within limits considered safe for human consumption. Modern laboratories typically combine QuEChERS—a rapid sample preparation procedure that extracts residues from complex matrices like fruits, vegetables, and animal tissue—with liquid chromatography coupled to mass spectrometry, which can detect and quantify hundreds of compounds simultaneously in a single run. A persistent challenge is the matrix effect, where co-extracted biological compounds suppress or enhance the instrument's response and introduce measurement error, making robust method validation essential before any results can inform regulatory decisions. Active work focuses on extending multiresidue coverage to emerging pesticides and their transformation products, improving sensitivity in difficult matrices such as spices and processed foods, and developing faster, cheaper screening approaches suited to high-throughput food safety surveillance.

Works

63,882

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627,888

Keywords

Pesticide ResiduesLiquid ChromatographyMass SpectrometryMultiresidue MethodQuEChERSMatrix Effects