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The comparison of solid phase microextraction-GC and static headspace-GC for determination of solvent residues in vegetable oils.
J Sep Sci. 2008 Feb; 31(2):364-71.JS

Abstract

The objective of these investigations has been the determination of volatile organic compounds including residue solvents present in vegetable oil samples. Some olive oil, rape oil, sunflower oil, soy-bean oil, pumpkin oil, grape oil, rice oil as well as hazel-nut oil samples were analysed. Among residue solvents the following compounds have been mentioned: acetone, n-hexane, benzene, and toluene. Some experiments for the solid phase microextraction (SPME)-GC-flame ionisation detection (FID) were performed to examine extraction conditions such as fiber exposure time, temperature of extraction, and temperature of desorption. Various SPME fibers such as polydimethylsiloxane, Carboxen/polydimethylsiloxane and polydimethylsiloxane/divinylbenzene coatings were used for the isolation of tested compounds from vegetable oil samples. After optimisation of SPME, real vegetable oil samples were examined using SPME-GC/MS. Based on preliminary experiments the qualitative and quantitative analyses for the determination of acetone, n-hexane, benzene and toluene were performed by SPME-GC-FID and static head-space (SHS)-GC-FID methods. The regression coefficients for calibration curves for the examined compounds were R(2) > or = 0.992. This shows that the used method is linear in the examined concentration range (0.005-0.119 mg/kg for SPME-GC-FID and 0.003-0.728 mg/kg for SHS-GC-FID). Chemical properties of analysed vegetable oils have been characterised by chemometric procedure (cluster analysis).

Authors+Show Affiliations

Chair of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University, Torun, Poland. mada@chem.uni.torun.plNo affiliation info available

Pub Type(s)

Comparative Study
Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

18196521

Citation

Ligor, Magdalena, and Bogusław Buszewski. "The Comparison of Solid Phase microextraction-GC and Static headspace-GC for Determination of Solvent Residues in Vegetable Oils." Journal of Separation Science, vol. 31, no. 2, 2008, pp. 364-71.
Ligor M, Buszewski B. The comparison of solid phase microextraction-GC and static headspace-GC for determination of solvent residues in vegetable oils. J Sep Sci. 2008;31(2):364-71.
Ligor, M., & Buszewski, B. (2008). The comparison of solid phase microextraction-GC and static headspace-GC for determination of solvent residues in vegetable oils. Journal of Separation Science, 31(2), 364-71. https://doi.org/10.1002/jssc.200700303
Ligor M, Buszewski B. The Comparison of Solid Phase microextraction-GC and Static headspace-GC for Determination of Solvent Residues in Vegetable Oils. J Sep Sci. 2008;31(2):364-71. PubMed PMID: 18196521.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - The comparison of solid phase microextraction-GC and static headspace-GC for determination of solvent residues in vegetable oils. AU - Ligor,Magdalena, AU - Buszewski,Bogusław, PY - 2008/1/16/pubmed PY - 2008/5/6/medline PY - 2008/1/16/entrez SP - 364 EP - 71 JF - Journal of separation science JO - J Sep Sci VL - 31 IS - 2 N2 - The objective of these investigations has been the determination of volatile organic compounds including residue solvents present in vegetable oil samples. Some olive oil, rape oil, sunflower oil, soy-bean oil, pumpkin oil, grape oil, rice oil as well as hazel-nut oil samples were analysed. Among residue solvents the following compounds have been mentioned: acetone, n-hexane, benzene, and toluene. Some experiments for the solid phase microextraction (SPME)-GC-flame ionisation detection (FID) were performed to examine extraction conditions such as fiber exposure time, temperature of extraction, and temperature of desorption. Various SPME fibers such as polydimethylsiloxane, Carboxen/polydimethylsiloxane and polydimethylsiloxane/divinylbenzene coatings were used for the isolation of tested compounds from vegetable oil samples. After optimisation of SPME, real vegetable oil samples were examined using SPME-GC/MS. Based on preliminary experiments the qualitative and quantitative analyses for the determination of acetone, n-hexane, benzene and toluene were performed by SPME-GC-FID and static head-space (SHS)-GC-FID methods. The regression coefficients for calibration curves for the examined compounds were R(2) > or = 0.992. This shows that the used method is linear in the examined concentration range (0.005-0.119 mg/kg for SPME-GC-FID and 0.003-0.728 mg/kg for SHS-GC-FID). Chemical properties of analysed vegetable oils have been characterised by chemometric procedure (cluster analysis). SN - 1615-9306 UR - https://www.unboundmedicine.com/medline/citation/18196521/The_comparison_of_solid_phase_microextraction_GC_and_static_headspace_GC_for_determination_of_solvent_residues_in_vegetable_oils_ L2 - https://doi.org/10.1002/jssc.200700303 DB - PRIME DP - Unbound Medicine ER -