Literature DB >> 20486253

How to distinguish between feruloyl quinic acids and isoferuloyl quinic acids by liquid chromatography/tandem mass spectrometry.

Nikolai Kuhnert1, Rakesh Jaiswal, Marius Febi Matei, Tina Sovdat, Sagar Deshpande.   

Abstract

All four regioisomers of feruloyl quinic acid and isoferuloyl quinic acid were synthesized and a liquid chromatography/tandem mass spectrometry (LC/MS/MS) method developed that resolves all eight regioisomers. All eight regioisomers can be readily distinguished by their MS/MS spectra in the negative ion mode, illustrating the power of tandem mass spectrometry to elucidate the structures of regioisomeric compounds. Compound identification is possible, either by direct comparison of spectral fingerprints or by rational probing of diagnostic fragment ions, thus allowing the identification of these important classes of natural products and potential human metabolites. Copyright (c) 2010 John Wiley & Sons, Ltd.

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Year:  2010        PMID： 20486253     DOI： 10.1002/rcm.4537

Source DB:  PubMed          Journal:  Rapid Commun Mass Spectrom        ISSN： 0951-4198            Impact factor:   2.419


  8 in total

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  8 in total

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