Fragmentation study of rutin, a naturally occurring flavone glycoside cationized with different alkali metal ions, using post-source decay matrix-assisted laser desorption/ionization mass spectrometry

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Abstract

A post-source decay matrix-assisted laser desorption/ionization mass spectrometric (PSD-MALDI-MS) study of rutin, a naturally occurring flavone glycoside cationized with different alkali metal ions, is reported. The fragmentations of rutin were performed by selecting the [R + Cat]+ peaks for PSD, where R represents a rutin molecule and Cat an alkali metal ion (Li+, Na+, K+). The PSD-MALDI mass spectra showed, depending on Cat, different fragmentation patterns with respect to both the quality and quantity of the fragment ions formed. The intensity of fragmentation decreased in the order Li+ > Na+ > K+. The fragmentation mechanism and an explanation for the observed differences are suggested.

Original languageEnglish
Pages (from-to)1312-1316
Number of pages5
JournalJournal of Mass Spectrometry
Volume36
Issue number12
DOIs
Publication statusPublished - Dec 1 2001

Keywords

  • Alkali metal ions
  • Flavone glycosides
  • Fragmentation
  • Post-source decay matrix-assisted laser desorption/ionization mass spectometry
  • Rutin

ASJC Scopus subject areas

  • Spectroscopy

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