Title
Ultra high performance liquid chromatography versus high performance liquid chromatography : stationary phase selectivity for generic carotenoid screening Ultra high performance liquid chromatography versus high performance liquid chromatography : stationary phase selectivity for generic carotenoid screening
Author
Faculty/Department
Faculty of Pharmaceutical, Biomedical and Veterinary Sciences. Pharmacy
Publication type
article
Publication
Amsterdam ,
Subject
Chemistry
Biology
Source (journal)
Journal of chromatography: A. - Amsterdam
Volume/pages
1332(2014) , p. 46-56
ISSN
0021-9673
ISI
000332429500007
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
Aim of study was to find the most suitable LC column for generic carotenoid screening. To represent the diversity of carotenoids in nature and to optimize chromatographic separation, a set of carotenoid standards was carefully chosen to account for the various classes of carotenoids. The HPLC C30 column has since long been the 'golden standard' in the chromatographic separation of carotenoids. Since approximately one decade, new UHPLC technology has led to much shorter analysis times, smaller peak widths and higher chromatographic resolution. However, there are currently no UHPLC columns on the market containing the specific stationary phase chemistry of the HPLC C30 column. Therefore during this study, we investigated the separation of carotenoids on a set of UHPLC columns and compared it to their separation on the HPLC C30 column. Comparison of carotenoids separations on the different stationary phases with objective column comparison parameters clearly indicated that the HPLC C30 column is an overall better performer in the separation of carotenoids. This is due to the lack of UHPLC column chemistries that are adapted for carotenoid analysis. However, analysis time on the HPLC C30 column takes about four times longer compared to UHPLC analysis. Therefore, with the range of columns that are commercially available nowadays, a choice has to be made between very high selectivity (HPLC 30 column) and analysis times that are adapted to modern laboratory requirements (UHPLC technology). Therefore, carotenoid separations would be even more performing if an appropriate UHPLC C30 column would be available. (C) 2014 Elsevier B.V. All rights reserved.
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