Identification of 9(E),11(E)-18:2 Fatty Acid Methyl Ester at Trace Level in Thermal Stressed Olive Oils by GC Coupled to Acetonitrile CI-MS and CI-MS/MS, a Possible Marker for Adulteration by Addition of Deodorized Olive Oil

作者: Alessandro Saba , Francesco Mazzini , Andrea Raffaelli , Alissa Mattei , Piero Salvadori

DOI: 10.1021/JF050274B

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摘要: … Cx in the matrixes under study, the acetonitrile CI-MS method was refined using a mixture of commercial “conjugated” 18:2 FAMEs, with a linoleic acid methyl ester content less than 1%. …

参考文章(18)
Anthony L. Michaud, Martin P. Yurawecz, Pierluigi Delmonte, Benjamin A. Corl, Dale E. Bauman, J. Thomas Brenna, Identification and characterization of conjugated fatty acid methyl esters of mixed double bond geometry by acetonitrile chemical ionization tandem mass spectrometry. Analytical Chemistry. ,vol. 75, pp. 4925- 4930 ,(2003) , 10.1021/AC034221+
John A.G Roach, Magdi M Mossoba, M.Peter Yurawecz, John K.G Kramer, Chromatographic separation and identification of conjugated linoleic acid isomers Analytica Chimica Acta. ,vol. 465, pp. 207- 226 ,(2002) , 10.1016/S0003-2670(02)00193-9
Gloriano Moneti, Giuseppe Pieraccini, Donata Favretto, Pietro Traldi, Acetonitrile in chemical ionization of monounsaturated hydrocarbons: a13C and2H labeling study Journal of Mass Spectrometry. ,vol. 33, pp. 1148- 1149 ,(1998) , 10.1002/(SICI)1096-9888(1998110)33:11<1148::AID-JMS707>3.0.CO;2-Y
Colleen K. Pelt, Barry K. Carpenter, J. Thomas Brenna, Studies of structure and mechanism in acetonitrile chemical ionization tandem mass spectrometry of polyunsaturated fatty acid methyl esters Journal of the American Society for Mass Spectrometry. ,vol. 10, pp. 1253- 1262 ,(1999) , 10.1016/S1044-0305(99)00109-9
Yeonhwa Park, Karen J. Albright, Zu Y. Cai, Michael W. Pariza, Comparison of Methylation Procedures for Conjugated Linoleic Acid and Artifact Formation by Commercial (Trimethylsilyl)diazomethane Journal of Agricultural and Food Chemistry. ,vol. 49, pp. 1158- 1164 ,(2001) , 10.1021/JF001209Z
GLORIANO MONETI, GIUSEPPE PIERACCINI, FRANCESCA DANI, STEFANO TURILLAZZI, DONATA FAVRETTO, PIETRO TRALDI, Ion–molecule reactions of ionic species from acetonitrile with unsaturated hydrocarbons for the identification of the double‐bond position using an ion trap Journal of Mass Spectrometry. ,vol. 32, pp. 1371- 1373 ,(1997) , 10.1002/(SICI)1096-9888(199712)32:12<1371::AID-JMS588>3.0.CO;2-E
Anthony L Michaud, Guan-Yeu Diau, Reuben Abril, J.Thomas Brenna, Double bond localization in minor homoallylic fatty acid methyl esters using acetonitrile chemical ionization tandem mass spectrometry. Analytical Biochemistry. ,vol. 307, pp. 348- 360 ,(2002) , 10.1016/S0003-2697(02)00037-4
Colleen K. Van Pelt, J. Thomas Brenna, Acetonitrile chemical ionization tandem mass spectrometry to locate double bonds in polyunsaturated fatty acid methyl esters. Analytical Chemistry. ,vol. 71, pp. 1981- 1989 ,(1999) , 10.1021/AC981387F
Gloriano Moneti, Giuseppe Pieraccini, Francesca R. Dani, Silvia Catinella, Pietro Traldi, ACETONITRILE AS AN EFFECTIVE REACTANT SPECIES FOR POSITIVE-ION CHEMICAL IONIZATION OF HYDROCARBONS BY ION-TRAP MASS SPECTROMETRY Rapid Communications in Mass Spectrometry. ,vol. 10, pp. 167- 170 ,(1996) , 10.1002/(SICI)1097-0231(19960131)10:2<167::AID-RCM445>3.0.CO;2-Q