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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
biochemistry, genetics and molecular biology
Partial characterization of extracellular polysaccharides produced by cyanobacterium Arthrospira platensis
Biotechnology and Bioprocess Engineering, Volume 14, No. 1, Year 2009
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Description
In this study, the physico-chemical characteristics of extracellular polysaccharides (EPS) produced by Arthrospira platensis were evaluated. Elemental analysis and a bicinchoninic acid (BCA) reaction indicated that the EPS were heteropolysaccharides that contain carbohydrate (13%) and protein (55%) moieties. Analysis of the infrared spectrum and elemental analysis revealed the presence of a sulfate group (0.5%). The UV-visible spectrum showed high UV absorption at 190∼230 nm and a shoulder at 260∼280 nm. In addition, this spectrum indicated that EPS can form aggregates with mycosporine-like amino acids and/or scytonemin. Gas chromatography analysis of the carbohydrate portion of the EPS indicated that it was composed of seven neutral sugars: galactose (14.9%), xylose (14.3%), glucose (13.2%), frucose (13.2%), rhamnose (3.7%), arabinose (1%), and mannose (0.3%) and two uronic acids, galacturonic acid (13.5%) and glucuronic acid (0.9%). © he Korean Society for Biotechnology and Bioengineering and Springer-Verlag Berlin Heidelberg GmbH 2009.
Authors & Co-Authors
Trabelsi, Lamia
Tunisia, Tunis
University of Carthage, Institut National Des Sciences et Technologies de la Mer
M’sakni, Nour Houda
Tunisia, Monastir
Faculté Des Sciences de Monastir
Ben Ouada, Hatem
Tunisia, Tunis
University of Carthage, Institut National Des Sciences et Technologies de la Mer
Bacha, Hassen
Tunisia, Monastir
Faculté de Médecine Dentaire de Monastir
Roudesli, Sadok
Tunisia, Monastir
Faculté Des Sciences de Monastir
Statistics
Citations: 140
Authors: 5
Affiliations: 3
Identifiers
Doi:
10.1007/s12257-008-0102-8
ISSN:
12268372