Exopolysaccharide production by the cyanobacteria Nostoc sp in different concentrations of nitrogen and glucose
DOI:
https://doi.org/10.5433/1679-0367.2006v27n1p33Keywords:
Exopolysaccharide, Cyanobacteria, Nostoc sp.Abstract
Cyanobacteria are prokaryotic microorganisms that can produce exopolysaccharide (EPS) during their cellular growth and due to their biochemical diversity, they can be considered as excellent in various biotechnological applications, being used in food, textile, ink, cosmetics, paper and pharmaceutical industries as gelling, flocculants or emulsifier agents, substituting the polysaccharides of macroalgae and plants. Besides, microorganisms present higher growth rates and they are easier to manipulate than plants and macroalgae. The objective of the present study is to optimize the EPS production in BG11 medium related to the different nitrogen and glucose concentrations in the culture for the EPS and biomass production by the cyanobacteria Nostoc sp.
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