Mv. Vermani et al., STUDIES IN POLYSACCHARIDE PRODUCTION AND GROWTH OF AZOTOBACTER-VINELANDII MTCC-2459, A PLANT RHIZOSPHERE ISOLATE, Letters in applied microbiology, 24(5), 1997, pp. 379-383
Azotobacter vinelandii MTCC 2459, a novel exopolysaccharide (EPS) prod
ucer, was isolated from Nelumbium Nelumbo (lotus) stem. The EPS produc
ed has a sugar composition different from the existing industrial gums
(glucose, galactose and rhamnose). Optimization of the basal medium c
omposition and other physical parameters (viz. pH, temperature, time,
etc.) are reported in this paper. A final yield of 16.5% of the amount
of the carbon source supplied was obtained in shake flask cultures, i
ndicating the potential of the organism for production of useful EPS o
n a large (industrial) scale.