Structural determination by means of gas chromatography-mass spectrometry of 3-O-(α-d-glucopyranosyluronic acid)-galactopyranose, an aldobiuronic acid derived from Porphyridium sp. polysaccharide

Niculina Lupescu, Julien Solo-Kwan, Daniel Christiaen, Henri Morvan, Shoshana (Malis) Arad

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Abstract

The structure of a disaccharide, basic constituent, 3-O-(α-d-glucopyranosyluronic acid)-galactopyranose, derived from Porphyridium sp. polysaccharide was determined by a gas chromatography-mass spectrometry method. The permethylated disaccharide alditol was prepared and analysed by gas chromatography-mass spectrometry (chemical ionization and electron impact). Additional support for the nature of the glycosyl residue was obtained from gas chromatography-mass spectrometry analysis of the corresponding permethylated alditol acetate.

Original languageEnglish
Pages (from-to)131-134
Number of pages4
JournalCarbohydrate Polymers
Volume19
Issue number2
DOIs
StatePublished - 1 Jan 1992

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