期刊
JOURNAL OF THE AMERICAN OIL CHEMISTS SOCIETY
卷 88, 期 9, 页码 1275-1283出版社
SPRINGER
DOI: 10.1007/s11746-011-1873-1
关键词
Monochloropropanediol; 3-MCPD; MCPD; Glycidol; Glycidyl esters; LC-MS; Vegetable oil
An LC-MS method using a single quadrupole mass spectrometer was developed for direct analysis of glycidyl esters of fatty acids in vegetable oils. Without any sample clean-up, this method provided acceptable recovery of seven glycidyl esters, comparable results to a previously-published method utilizing two solid-phase extraction steps, and consistent detection parameters after greater than 200 injections without any cleaning operations performed. This method could readily be implemented as a screening assay for glycidyl esters in most oil laboratories.
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