On-line liquid chromatography-electrospray ionisation mass spectrometry for kappa-carrageenan oligosaccharides with a porous graphitic carbon column |
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| Authors: | Antonopoulos Aristotelis Favetta Patrick Helbert William Lafosse Michel |
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| Institution: | Institut de Chimie Organique et Analytique (ICOA), UMR CNRS 6005, Université d'Orléans, B.P. 6759, 45067 Orléans Cedex 2, France. |
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| Abstract: | Enzymatically digested oligosaccharides of kappa-carrageenans were separated on a porous graphitic carbon (PGC) column and characterised on-line by electrospray ionisation mass spectrometry (ESI-MS). Two different developing ions were applied. Among them ammonium hydrogencarbonate showed more eluting power as it should on normal anion-exchange stationary phases. The oligosaccharides were detected by ESI-MS as fully deprotonated oligosaccharides. |
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