Title of article
The extracellular polysaccharide of Porphyridium sp.: an NMR study of lithium-resistant oligosaccharidic fragments Original Research Article
Author/Authors
Vincent Gloaguen، نويسنده , , Gaël Ruiz، نويسنده , , Yannis Karamanos ، Henri Morvan ، نويسنده , , Aziza Mouradi-Givernaud، نويسنده , , Emmanuel Maes، نويسنده , , Pierre Krausz، نويسنده , , Gérard Strecker، نويسنده ,
Issue Information
دوهفته نامه با شماره پیاپی سال 2004
Pages
7
From page
97
To page
103
Abstract
This study deals with the chemical characterization of an extracellular polysaccharide produced by the unicellular red alga Porphyridium sp. The sugar moiety of this polymer is composed of three neutral monosaccharides (Xyl, Glc, and Gal) and one uronic acid (GlcA). Proteins represent 5.5% of the dry weight of the polymer. Uronic degradation of this exopolysaccharide with lithium in ethylenediamine yielded two different oligosaccharides. The absolute configuration of the constitutive monosaccharides was chemically determined and revealed the presence of d-Xyl, d-Glc, d-, and l-Gal. The following oligosaccharide structures were established by NMR spectroscopy:
Keywords
Porphyridium sp. , Extracellular polysaccharide , Anionic polysaccharide , structure , NMR , Lithium degradation
Journal title
Carbohydrate Research
Serial Year
2004
Journal title
Carbohydrate Research
Record number
963945
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