Mass spectrometric discrimination between per-O-acetylated aldopentoses applied to an oligosaccharide.
Unimolecular decomposition spectra of oxonium ions from peracetylated pentoses can be used for identification purposes. The fast-atom bombardment mass spectra of an oligosaccharide with a pentose residue at the non-reducing terminus also contain this oxonium ion, which allows identification of this monosaccharide residue by a tandem mass spectrometry experiment. The applicability of this method is demonstrated using a xylopentaose.
Blok-Tip
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Department of Mass Spectrometry, Bijvoet Center for Biomolecular Research, Utrecht University, Utrecht, The Netherlands.
Heerma
W
W
Haverkamp
J
J
D006027:Glycosides; D009844:Oligosaccharides; D016339:Spectrometry, Mass, Fast Atom Bombardment
D006027:Glycosides; D009844:Oligosaccharides