Production, isolation and preliminary characterization of the exopolysaccharide of the cyanobacterium Spirulina platensis
1993
Filali Mouhim, R. | Cornet, J. -F. | Fontaine, Thierry | Fournet, B. | Dubertret, G. | MIKRALGEN NEUVILLE SUR AIN ; Partenaires IRSTEA ; Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA)-Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA) | Université Blaise Pascal - Clermont-Ferrand 2 (UBP) | Centre National de la Recherche Scientifique (CNRS) | Université de Lille, Sciences et Technologies | This work was partly supported by MIRCEN.
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Show more [+] Less [-]English. The soluble exocellular polysaccharide secreted by the filamentous cyanobacteria Spirulina platensis is a primary metabolite. It is formed by ten different types of monomer units including six neutral sugars (xylose, rhamnose, fucose, galactose, mannose and glucose in the proportions 1.3/0.3/0.7/2.7/traces/2), two unidentified sugars, two uronic acids and sulphate groups accounting for 40 % and 5 % respectively of the mass of the molecule. This polysaccharide displays a non Newtonian behaviour and a strong pseudoplastic characteristic that may originate in the polyelectrolytic property of the molecule.
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