Academic journal article Iranian Journal of Public Health

Physiological Characterization of Cyanobacterial Polysaccharides

Academic journal article Iranian Journal of Public Health

Physiological Characterization of Cyanobacterial Polysaccharides

Article excerpt

Background: Todays, cyanobacterial polysaccharides have found a new position among the biotechnological applica- tions. These water-soluble polysaccharides that produced by microorganisms particularly cyanobacteria, attracting interest as they have great application potential in food, cosmetic, pharmaceutical and oil industries, as thickening, stabilizing and emulsifying agents. Therefore, in this research compara- tive study and characterization of cyanobacterial polysaccha- rides production carried out, for the first time in Iran.

Methods: Cyanobacterial samples were chosen from various orders as follow: Nostoc sp. (ISC 101) (filamentous with het- erocyst), Phormidium sp. ISC108 (filamentous without hetero- cyst) and Synechococcus sp. ISC 106 (unicellular). The first one was cultured in BG110 (without combined nitrogen) but the others were in BG11 medium (Rippka et al., 1979). Growth rate and curves were studied by Chlorophyll a extraction in methanol (Marker, 1972). …

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