Abstract
Various plant polysaccharide derived mono- and oligosaccharides were derivatized with the fluorescent 9-aminopyrene-1,4,6-trisulfonate (APTS) and subjected to capillary electrophoresis (CE) in combination with laser induced fluorescence (LIF) detection. CE-LIF was suitable for mol-based quantification of various APTS-monosaccharides. CE-LIF of APTS-oligosaccharides showed high resolutions, while analysis times were at maximum 15 min. The coupling of CE to electrospray-iontrap mass spectrometery (MS) with online UV detection showed to be a powerful technique in the identification of APTS-oligosaccharides. For the first time, various APTS-xylo-oligosaccharides, having either no, O-acetyl, arabinosyl or xylosyl substitutions at varying positions, were identified by using CE-LIF and CE-MSn.
| Original language | English |
|---|---|
| Pages (from-to) | 119-126 |
| Journal | Journal of Chromatography. A, Including electrophoresis and other separation methods |
| Volume | 1137 |
| Issue number | 1 |
| DOIs | |
| Publication status | Published - 2006 |
Keywords
- laser-desorption/ionization-time
- anion-exchange chromatography
- treated eucalyptus wood
- gel-electrophoresis
- dietary fiber
- wheat-flour
- cell-walls
- oligosaccharides
- spectrometry
- separation
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