PMID: 11318065Apr 25, 2001Paper

Analysis of olive oil and seed oil triglycerides by capillary gas chromatography as a tool for the detection of the adulteration of olive oil

Journal of Chromatographic Science
N K AndrikopoulosV Tzamtzis

Abstract

Individual triglyceride (TG) species of olive oil and several seed oils (corn, cottonseed, palm, peanut, soybean, and sunflower) are baseline separated on a WCOT TAP CB fused-silica capillary column by capillary gas chromatography (CGC) with a flame-ionization detector (FID) and either cold on-column or split injection. An adulteration of olive oil with a low content (< 5%) of these seed oils (except peanut oil) can be verified by the detection of the increasing levels of trilinolein or tripalmitin in olive oil in which these TG species are normally absent or present at very low levels (< 0.5%). An adulteration with over 20% peanut oil can be detected by the increasing levels of palmitodilinolein. TG species that can be coeluted with trilinolein in the reversed-phase high-performance liquid chromatographic (RP-HPLC) mode are baseline separated by the CGC technique, and their structures are identified by selective ion monitoring mass spectrometry. The following comparisons--the CGC-FID and RP-HPLC methods for detection of adulteration, cold on-column and split-injection modes for CGC-FID, and silylation or thin-layer chromatography pretreatment and simple dilution of one or more of the oil samples--are also presented. The normal...Continue Reading

Citations

Sep 6, 2006·Analytical and Bioanalytical Chemistry·Konstantina I PoulliConstantinos A Georgiou
Sep 19, 2009·Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment·Sodeif Azadmard-Damirchi
Sep 5, 2002·Biomedical Chromatography : BMC·Tibor Cserháti
Sep 8, 2010·Journal of Mass Spectrometry : JMS·Pasquale AgozzinoKàroly Vèkey
Nov 28, 2013·Critical Reviews in Food Science and Nutrition·C Ruiz-SamblásL Cuadros-Rodríguez
Sep 8, 2010·Comptes rendus biologies·Faouzi SakouhiSadok Boukhchina
Jun 15, 2007·Critical Reviews in Food Science and Nutrition·Ioannis S Arvanitoyannis, Antonios Vlachos
Nov 16, 2001·Phytochemical Analysis : PCA
Dec 13, 2002·Rapid Communications in Mass Spectrometry : RCM·A JakabE Forgács
Oct 16, 2015·Journal of Medicinal Food·Hong-Mei ZhengDon Haeng Lee
Aug 30, 2020·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Ying QianRoman Przybylski
Sep 10, 2021·Journal of Oleo Science·Choon Hui TanLiew Phing Pui

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