1996
DOI: 10.1016/0165-2370(96)00946-1
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A rapid simple pyrolysis derivatisation gas chromatography-mass spectrometry method for profiling of fatty acids in trace quantities of lipids

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Cited by 83 publications
(34 citation statements)
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“…m-NBA was the matrix used for all the studies reported here. All fatty acids were purchased from Aldrich Chem Co. and esterified using MeOH or methanol-d 4 , using a standard esterification procedure. 24 The FAMEs studied are listed in Table 1.…”
Section: Experimental Parametersmentioning
confidence: 99%
See 1 more Smart Citation
“…m-NBA was the matrix used for all the studies reported here. All fatty acids were purchased from Aldrich Chem Co. and esterified using MeOH or methanol-d 4 , using a standard esterification procedure. 24 The FAMEs studied are listed in Table 1.…”
Section: Experimental Parametersmentioning
confidence: 99%
“…picolinyl esters, 2a oxazolines, 2b labelled deutero diimide followed by pyrrolidides 2c or more commonly used dimethyl disulphide 2d derivatizations, etc., with a few exceptions which are fast and facile, e.g. microwave induced fast derivatizations 3 or in-situ derivatizations, 4 but which are not universal. Certain chemical ionization reagents were also used for double bond location, of which nitric oxide (NO) is important.…”
mentioning
confidence: 99%
“…C1s:2 and C1s:3 could not be detected if TMAH was used. Most likely this is caused by isomerisation and degradation reaction which is in consistence with data from the literature [4,6,12,16].…”
Section: S-286mentioning
confidence: 63%
“…Challinor was able to prevent isomerization by using (m-trifluoro-methyl-phenyl)-trimethylammonium hydroxide (MethPrepl) as methylation reagent. But the yield of fatty acid methyl esters (FAMEs) decreased [6]. Ishida et al used trimethylsulfonium hydroxide (TMSH) as reagent at a temperature of 350 ~ to suppress isomerization or degradation of FAMEs [13].…”
Section: Introductionmentioning
confidence: 99%
“…Direct pyrolysis of glycerides, however, produces, among other products, fatty acids, which are not easily analysed by GC. The procedure introduced by Challinor [3], the so-called thermally assisted hydrolysis and methylation (THM), consisting of pyrolysis in combination with the methylating reagent TMAH (tetramethylammonium hydroxide), has been shown to be advantageous for the analysis of egg tempera and siccative oils [4][5][6]. Hydrolysis of ester groups promoted by TMAH in the heated pyrolysis chamber generates fatty acid salts which are subsequently methylated.…”
Section: Introductionmentioning
confidence: 99%