ArticleFood science and biotechnology2022
Evaluation of various clean-up sorbents in kale followed by LC-MS/MS analysis of pesticides.
Article in Food science and biotechnology, 2022. 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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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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1 citing paper in PubMed, 4 citations in OpenAlex.
- A practical and easy-to-scale protocol for removing chlorophylls from leaf extracts.Applications in plant sciencesArticle
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6 authors at 2 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
Chlorophyll-rich samples, such as kale, interfere with the analysis of residual pesticides and adversely affect the integrity of tandem mass spectrometers. Dispersed solid-phase (d-SPE) extraction using graphitized carbon black effectively removes pigments from kale extracts; however, it also reduces the recoveries of 30 pesticides. To overcome this, alternative sorbents, including ENVI-Carb, ChloroFiltr, and Z-Sep+, were evaluated in this study. A sorbent combination based on 50 mg of Z-Sep+ was most advantageous (21/30), good precision (< 15%), excellent pigment removal capacity, and low matrix effect. The limit of quantification (0.0001-0.0040 mg/kg) was lower than the Korean maximum residue limits levels. The proposed method was validated according to international guidelines and applied to real kale samples. The results demonstrated that d-SPE using Z-Sep+ provides an effective strategy for ensuring mass spectrometry system integrity and improving the analytical accuracy in chlorophyll-rich samples. Supplementary information: The online version contains supplementary material available at 10.1007/s10068-022-01101-3.
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