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KMID : 1007520220310070787
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Food Science and Biotechnology
2022 Volume.31 No. 7 p.787 ~ p.796
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Evaluation of various clean-up sorbents in kale followed by LC-MS/MS analysis of pesticides
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Jung Young-Sung
Song Nho-Eul
Choi Ji-Yeon
Hwang Sun-Hye
Koo Min-Seon
Nam Tae-Gyu
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Abstract
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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 (
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KEYWORD
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Chlorophyll, Dispersive solid-phase, Kale, Sorbent-combinations, Z-Sep
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