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Optimization and validation for identification of volatile organic com-pounds released from Trogoderma variabile Ballion using headspace solid-phase microextraction and GC-FID/MS

Authors

  • Mohanad Fadhl Hussain al-Musodi 1 College of Agriculture, University of Kerbala, Kerbala, Iraq.
  • Drgham Hamza Yousif Al-Zwean 2College of Science, Health, Engineering and Education Murdoch University, Murdoch, West-ern Australia 6150, Australia
  • Thamer Alshuwaili College of Agriculture, University of Kerbala, Kerbala, Iraq.
  • Mushtak Talib Mohammedali College of Agriculture, University of Kerbala, Kerbala, Iraq.
  • Adnan A. Lahuf College of Agriculture, University of Kerbala, Kerbala, Iraq.
  • Pushpendra Koli 2College of Science, Health, Engineering and Education Murdoch University, Murdoch, West-ern Australia 6150, Australia
  • Manjree Agarwal 2College of Science, Health, Engineering and Education Murdoch University, Murdoch, West-ern Australia 6150, Australia

DOI:

https://doi.org/10.59658/jkas.v10i4.1310

Keywords:

Trogoderma variabile, warehouse beetle, VOCs, SPME, GC-MS, GC-FID

Abstract

Volatile organic compounds (VOC) emitted by Trogoderma variabile at different life stages (larvae, female and male) can help us to understand the chemical signals that are released by the beetle which can serve as biomarkers for diagnostic purpose. There are several factors that effect on the optimization of VOC extraction including, temperature, jar size, number of insects, duration of extraction, and gas chromatography (GC) conditions. This study used headspace solid phase microextraction (HS-SPME) fibre coupled with flame ionization detection (FID) and gas chromatography with mass spectrometry (GC-MS) to determine the optimal method for accurate, rapid and cost-effective extraction and identification of VOC from different life stages of T. variabile. The HS-SPME technique and the analytical conditions with GC and GCMS were optimized and validated for the determination of VOCs released from T. variabile. Selection of the number of insects was based on the height and the number of peaks. Results showed that 15 and 20 larvae and adults respectively gave the best number of peaks. Sixteen hours were optimized as the best extraction time for larvae and adults to get maximum number of emitted VOCs. The number of compound released from T.variabile different stages was 7, 9 and 11 for male, female and larvae respectively. Furthermore, some compounds were identified in all stages such as oxime-, methoxy-phenyl, 2(3H)-furanone, 5-ethyldihydro- and nonanal. Also, most of the compounds were significantly different in peak area between different life stages.

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Published

12/15/2023 — Updated on 12/16/2023

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How to Cite

al-Musodi, M. F. H. ., Al-Zwean, D. H. Y. ., Alshuwaili , T. ., Mohammedali, M. T. ., Lahuf, A. A. ., Koli, P. ., & Agarwal , M. . (2023). Optimization and validation for identification of volatile organic com-pounds released from Trogoderma variabile Ballion using headspace solid-phase microextraction and GC-FID/MS. Journal of Kerbala for Agricultural Sciences, 10(4), 195–207. https://doi.org/10.59658/jkas.v10i4.1310 (Original work published December 15, 2023)

Issue

Vol. 10 No. 4 (2023): volume 10 issue 4 year 2023

Section

Articles

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Copyright (c) 2023 Copyright (c) 2024 is the Author's article. Published by the Journal of Kerbala for Agricultural Sciences under a CC BY 4.0 license

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