ArticleJournal of separation science2026
Supercritical Carbon Dioxide Extraction With Dimethyl Carbonate and Bio-Ethanol as Co-Solvents for the Determination of Pesticide Residues in Black Pepper by Low-Pressure Gas Chromatography-Triple Quadrupole Mass Spectrometry.
Article in Journal of separation science, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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3 authors.
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Abstract
The determination of pesticide residues in spices is analytically challenging due to their high content of essential oils and secondary metabolites that could interfere with detection and quantification. In this study, supercritical fluid extraction (SFE), using green co-solvents, was evaluated for the extraction of 44 pesticides from black pepper (Piper nigrum). The extraction performance of bio-ethanol (bio-EtOH) and dimethyl carbonate (DMC) was compared under mild operating conditions. Optimal recoveries were obtained with 10% DMC, yielding an average of 92.6% across 44 pesticides, comparable to 93.7% using bio-EtOH. Method performance was assessed by low-pressure gas chromatography-triple quadrupole mass spectrometry (LP-GC-QqQMS). Linearity was achieved over the tested range, with limits of detection (within the range 0.1-17.9 µg kg
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