Chemical Identification Strategies Using Liquid Chromatography-Photodiode Array-Solid-Phase Extraction-Nuclear Magnetic Resonance/Mass Spectroscopy.

S.I.A. Moco, J.J.M. Vervoort

Research output: Chapter in Book/Report/Conference proceedingChapterAcademicpeer-review

11 Citations (Scopus)

Abstract

The identification of metabolites in biochemical studies is a major bottleneck in the proliferating field of metabolomics. In particular in plant metabolomics, given the diversity and abundance of endogenous secondary metabolites in plants, the identification of these is not only challenging but also essential to understanding their biological role in the plant, and their value to quality and nutritional attributes as food crops. With the new generation of analytical technologies, in which liquid chromatography (LC)-mass spectrometry (MS) and nuclear magnetic resonance (NMR) play a pioneering role, profiling metabolites in complex extracts is feasible at high throughput. However, the identification of key metabolites remains a limitation given the analytical effort necessary for traditional structural elucidation strategies. The hyphenation of LC-solid phase extraction (SPE)-NMR is a powerful analytical platform for isolating and concentrating metabolites for unequivocal identification by NMR measurements. The combination with LC-MS is a relatively straightforward approach to obtaining all necessary information for structural elucidation. Using this set-up, we could, as an example, readily identify five related glycosylated phenolic acids present in broccoli (Brassica oleracea, group Italica, cv Monaco): 1,2-di-O-E-sinapoyl-ß-gentiobiose, 1-O-E-sinapoyl-2-O-E-feruloyl-ß-gentiobiose, 1,2-di-O-E-feruloyl-ß-gentiobiose, 1,2,2'-tri-O-E-sinapoyl-ß-gentiobiose, and 1,2'-di-O-E-sinapoyl-2-O-E-feruloyl-ß-gentiobiose.
LanguageEnglish
Title of host publicationPlant Metabolomics: Methods and Protocols
EditorsN.W. Hardy, R.D. Hall
Pages287-316
DOIs
Publication statusPublished - 2012

Publication series

NameMethods in biology
No.860

Fingerprint

Liquid chromatography
Metabolites
Photodiodes
Nuclear magnetic resonance
Spectroscopy
Mass spectrometry
Magnetic resonance measurement
Complex Mixtures
Crops
Throughput
gentiobiose
Metabolomics

Cite this

Moco, S. I. A., & Vervoort, J. J. M. (2012). Chemical Identification Strategies Using Liquid Chromatography-Photodiode Array-Solid-Phase Extraction-Nuclear Magnetic Resonance/Mass Spectroscopy. In N. W. Hardy, & R. D. Hall (Eds.), Plant Metabolomics: Methods and Protocols (pp. 287-316). (Methods in biology; No. 860). https://doi.org/10.1007/978-1-61779-594-7_17
Moco, S.I.A. ; Vervoort, J.J.M. / Chemical Identification Strategies Using Liquid Chromatography-Photodiode Array-Solid-Phase Extraction-Nuclear Magnetic Resonance/Mass Spectroscopy. Plant Metabolomics: Methods and Protocols. editor / N.W. Hardy ; R.D. Hall. 2012. pp. 287-316 (Methods in biology; 860).
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Chemical Identification Strategies Using Liquid Chromatography-Photodiode Array-Solid-Phase Extraction-Nuclear Magnetic Resonance/Mass Spectroscopy. / Moco, S.I.A.; Vervoort, J.J.M.

Plant Metabolomics: Methods and Protocols. ed. / N.W. Hardy; R.D. Hall. 2012. p. 287-316 (Methods in biology; No. 860).

Research output: Chapter in Book/Report/Conference proceedingChapterAcademicpeer-review

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