Article (Scientific journals)
Development of an LC-MS/MS analytical method for the simultaneous measurement of aldehydes from polyunsaturated fatty acids degradation in animal feed
Douny, Caroline; Bayram, Pinar; Brose, François et al.
2016In Drug Testing and Analysis, 8 (5-6), p. 458-464
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Keywords :
Aldehydes; liquid chromatography; tandem mass spectrometry; animal feed; validation
Abstract :
[en] Knowing that polyunsaturated fatty acids can lead to the formation of potentially toxic aldehydes as secondary oxidation products, an analytical method using liquid chromatography coupled to tandem mass spectrometry detection (LC-MS/MS) has been developed to evaluate the concentration of eight aldehydes in animal feed: malondialdehyde (MDA), 4-hydroxy-2-nonenal (4-HNE), 4-hydroxy-2-hexenal (4-HHE), crotonaldehyde (CRT), benzaldehyde (BNZ), hexanal (HXL), 2,4-nonadienal and 2,4-decadienal. The developed method has been validated according to the criteria and procedure described in international standards. The evaluated parameters were: specificity/selectivity, recovery, precision, accuracy, uncertainty, limits of detection and quantification, using the concept of accuracy profiles. These parameters have been determined during experiments realized on 3 different days with grounded Kellogg’s® Corn Flakes® cereals as model matrix for animal feed and spiked at different levels of concentration. Malondialdehyde, 4-HHE, 4-HNE, crotonaldehyde, benzaldehyde and hexanal can be analysed in the same run in animal feed with a very good accuracy, with recovery rates ranging from 86 to 109% for a working range going from 0.16 to 12.50 mg/kg. Concerning 2,4-nonadienal and 2,4-decadienal, their analysis can be realized as well but in a limited range of concentration and with a limited accuracy. Indeed, recovery rates ranged between 54 and 114% and coefficient of variation for the intermediate precision between 11 and 25% for these two compounds.
Research center :
FARAH - Fundamental and Applied Research for Animals and Health - ULiège
Disciplines :
Food science
Author, co-author :
Douny, Caroline  ;  Université de Liège > Département de sciences des denrées alimentaires (DDA) > Analyse des denrées alimentaires
Bayram, Pinar
Brose, François ;  Université de Liège > Département de sciences des denrées alimentaires (DDA) > Département de sciences des denrées alimentaires (DDA)
Degand, Guy ;  Université de Liège > Département de sciences des denrées alimentaires (DDA) > Département de sciences des denrées alimentaires (DDA)
Scippo, Marie-Louise  ;  Université de Liège > Département de sciences des denrées alimentaires (DDA) > Analyse des denrées alimentaires
Language :
English
Title :
Development of an LC-MS/MS analytical method for the simultaneous measurement of aldehydes from polyunsaturated fatty acids degradation in animal feed
Publication date :
June 2016
Journal title :
Drug Testing and Analysis
ISSN :
1942-7603
eISSN :
1942-7611
Publisher :
John Wiley & Sons, United Kingdom
Volume :
8
Issue :
5-6
Pages :
458-464
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 11 August 2016

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