High-throughput simultaneous analysis of pesticides by supercritical fluid chromatography coupled with high-resolution mass spectrometry

Megumi Ishibashi, Yoshihiro Izumi, Miho Sakai, Takashi Ando, Eiichiro Fukusaki, Takeshi Bamba

Research output: Contribution to journalArticle

31 Citations (Scopus)

Abstract

Recently, a generally applicable screening method for multiresidue pesticide analysis, which is simple, quick, and accurate and has a reliable performance, is becoming increasingly important for food safety and international trade. This paper proposes a high-throughput screening methodology that enables the detection of multiresidue pesticides using supercritical fluid chromatography coupled to a high-performance benchtop quadrupole Orbitrap mass spectrometry (SFC/Q Exactive) and an automated library-based detection. A total of 444 chemicals covering a wide polarity range (logPow from -4.2 to 7.7) and a wide molecular weight range (from 99.0 to 872.5) were analyzed simultaneously through a combination of high mass resolution (a value of m/Δm = 70000), high mass accuracy (<5 ppm) with positive/negative polarity switching, and highly efficient separation by SFC. A total of 373 pesticides were detected in QuEChERS spinach extracts without dispersive solid phase extraction at the 10 μg kg-1 level (provisional maximum residue limits in Japan). In conclusion, the developed analytical system is a potentially useful tool for practical multiresidue pesticide screening with high throughput (time for data acquisition, 72 samples per day; and time for data processing of 72 samples, approximately 45 min).

Original languageEnglish
Pages (from-to)4457-4463
Number of pages7
JournalJournal of Agricultural and Food Chemistry
Volume63
Issue number18
DOIs
Publication statusPublished - May 13 2015
Externally publishedYes

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supercritical fluid chromatography
Supercritical Fluid Chromatography
Pesticides
Mass spectrometry
Mass Spectrometry
pesticides
Throughput
mass spectrometry
Screening
screening
Food safety
International trade
Spinacia oleracea
maximum residue limits
Food Safety
Solid Phase Extraction
international trade
solid phase extraction
spinach
Libraries

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Agricultural and Biological Sciences(all)

Cite this

High-throughput simultaneous analysis of pesticides by supercritical fluid chromatography coupled with high-resolution mass spectrometry. / Ishibashi, Megumi; Izumi, Yoshihiro; Sakai, Miho; Ando, Takashi; Fukusaki, Eiichiro; Bamba, Takeshi.

In: Journal of Agricultural and Food Chemistry, Vol. 63, No. 18, 13.05.2015, p. 4457-4463.

Research output: Contribution to journalArticle

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