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Tripathy V, Saha A, Kumar J. Detection of pesticides in popular medicinal herbs: a modified QuEChERS and gas chromatography-mass spectrometry based approach. J Food Sci Technol. 2017;54(2):458-468doi: 10.1007/s13197-017-2487-x.
Tripathy, V., Saha, A., & Kumar, J. (2017). Detection of pesticides in popular medicinal herbs: a modified QuEChERS and gas chromatography-mass spectrometry based approach. Journal of food science and technology, 54(2), 458-468. https://doi.org/10.1007/s13197-017-2487-x
Tripathy, Vandana, et al. "Detection of pesticides in popular medicinal herbs: a modified QuEChERS and gas chromatography-mass spectrometry based approach." Journal of food science and technology vol. 54,2 (2017): 458-468. doi: https://doi.org/10.1007/s13197-017-2487-x
Tripathy V, Saha A, Kumar J. Detection of pesticides in popular medicinal herbs: a modified QuEChERS and gas chromatography-mass spectrometry based approach. J Food Sci Technol. 2017 Feb;54(2):458-468. doi: 10.1007/s13197-017-2487-x. Epub 2017 Jan 31. PMID: 28242945; PMCID: PMC5306040.
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J Food Sci Technol. 2017 Feb;54(2):458-468. doi: 10.1007/s13197-017-2487-x. Epub 2017 Jan 31.

Detection of pesticides in popular medicinal herbs: a modified QuEChERS and gas chromatography-mass spectrometry based approach.

Journal of food science and technology

Vandana Tripathy, Ajoy Saha, Jitendra Kumar

Affiliations

  1. ICAR-Directorate of Medicinal and Aromatic Plants Research, Anand, Gujarat 387310 India.

PMID: 28242945 PMCID: PMC5306040 DOI: 10.1007/s13197-017-2487-x

Abstract

Although a lot of work has been conducted in the pesticide residues analysis in food matrices but the quality determination (with respect to major contaminants such as pesticide residues) in medicinal plant matrices has a long way to go. Hence a study was conducted to determine pesticide residues in four medicinal herbs, which are highly traded commodities in international market. Samples were extracted and cleaned up by modified QuEChERS (Quick, Easy, Cheap, Effective, Rugged and Safe) approach and analyzed by gas chromatograph-mass spectrometer (GC-MS). The method was subjected to thorough validation procedure in-terms of accuracy, precision, limits of quantification (LOQ), matrix effect, linearity and uncertainty analysis. The mean recoveries for most of the pesticides were in the range of 70-120% with RSD <20% and measurement uncertainties were less than 20% for all the compounds at spiking level of 0.5 mg kg

Keywords: Gas chromatography–mass spectrometry; Medicinal herbs; Method validation; Pesticides residues; QuEChERS

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