Analysis of linoleic acid hydroperoxides generated by biomimetic and enzymatic systems through an integrated methodology
authors Villaverde, JJ; Santos, SAO; Simoes, MMQ; Neto, CP; Domingues, MRM; Silvestre, AJD
nationality International
journal INDUSTRIAL CROPS AND PRODUCTS
author keywords Oxidation; Linoleic acid; Linoleic acid hydroperoxides; Isomers; HPLC-UV; HPLC-MS/MS
keywords MASS-SPECTROMETRY; RENEWABLE RESOURCE; OXIDATION; PRODUCTS; OIL; CHEMISTRY; TISSUES; CHAIN; TIME
abstract An integrated methodology for the identification and quantification of linoleic acid hydroperoxides (HPODEs) mixtures, obtained by the Fenton's reaction and by enzymatic oxidation, is reported. Unambiguous identification of the HPODEs formed (13-hydroperoxy-(9Z,11E)-octadecadienoic acid, 13-hydroperoxy-(9E,11E)-octadecadienoic acid and 9-hydroperoxyoctadecadienoic acid) was performed by HPLC-MS/MS analysis, while quantification was carried out by HPLC-UV using an external calibration, based on the collection of chromatographic peaks, and measuring of total hydroperoxides by ferrous oxidation-xylenol orange (FOX) method. (C) 2011 Elsevier B.V. All rights reserved.
publisher ELSEVIER SCIENCE BV
issn 0926-6690
year published 2011
volume 34
issue 3
beginning page 1474
ending page 1481
digital object identifier (doi) 10.1016/j.indcrop.2011.05.001
web of science category Agricultural Engineering; Agronomy
subject category Agriculture
unique article identifier WOS:000294036100011
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