An improved method for the measurement of 3-monochloropropanediol esters by matrix solid-phase dispersion supported liquid-liquid extraction

Jiao, B, Hu, H, Shi, A, Liu, H, Liu, L, Wang, Q, Fu, W and Adhikari, B 2017, 'An improved method for the measurement of 3-monochloropropanediol esters by matrix solid-phase dispersion supported liquid-liquid extraction', International Journal of Food Science and Technology, vol. 52, no. 11, pp. 2404-2411.


Document type: Journal Article
Collection: Journal Articles

Title An improved method for the measurement of 3-monochloropropanediol esters by matrix solid-phase dispersion supported liquid-liquid extraction
Author(s) Jiao, B
Hu, H
Shi, A
Liu, H
Liu, L
Wang, Q
Fu, W
Adhikari, B
Year 2017
Journal name International Journal of Food Science and Technology
Volume number 52
Issue number 11
Start page 2404
End page 2411
Total pages 8
Publisher Wiley-Blackwell Publishing Ltd.
Abstract 3-Monochloropropanediol (3-MCPD) esters are contaminants produced from the high-temperature processing of edible oils. The accurate measurement of 3-MCPD using an easy-to-follow and reliable method that uses a readily available instrument is important. Here, we report an acid transesterification heptafluorobutyrylimidazole (HFBI) derivatisation method for the accurate measurement of 3-MCPD esters in edible oils. We developed a dispersed matrix solid-phase supported liquid-liquid extraction (DMSP-SLE) system to remove impurities. Both the transesterification and DMSP-SLE conditions were optimised. A good linear relationship was obtained within the range of 0.05-10 mg kg -1 (R 2 ≥ 0.999) in both blank solvent and an oil sample. The limit of detection was 20.36 μg kg -1 . The average recovery of the 3-MCPD esters spiked at 0.5, 1.0 and 2.0 mg kg -1 into a blank oil matrix was in a range from 105.09 ± 2.77% to 120.16 ± 10.88%. The method we developed was further confirmed by performing detection on a Food Analysis Performance Assessment Scheme (FAPAS) sample.
Subject Food Sciences not elsewhere classified
Keyword(s) 3-Monochloropropanediol esters
acid transesterification
dispersed matrix solid-phase supported liquid-liquid extraction
edible oil
DOI - identifier 10.1111/ijfs.13524
Copyright notice © 2017 Institute of Food Science and Technology
ISSN 0950-5423
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