Year: 2014 | Month: July | Volume 7 | Special Issue
Production of Exopolysaccharide (EPS) and its Application by New Fungal Isolates SGMP1 and SGMP2
Abstract:
Exopolysaccharide producing fungal cultures were screened from the soil samples collected from New Vallabh Vidyanagar, Dist. Anand, Gujarat (India). The isolates designated as SGMP1 and SGMP2 were found to be significant producers of exopolysaccharide (EPS). The present study shows optimization, characterization and certain applications of EPS produced by selected isolates. The isolates SGMP1 and SGMP2 showed a maximum production of EPS 20.5 ± 0.85 g/l and 7.5 ± 0.4 g/l respectively with supplementation of 2% glucose and starch. Yeast extract was used as a nitrogen source at a concentration of 2% (w/v). The maximum production of EPS 7.5 g/l was obtained for SGMP2.The FTIR analysis of EPS showed the presence of polysaccharides, carboxylic acids and lactone. The fungal EPS showed antimicrobial and antioxidant properties. The EPS produced by the fungal isolate showed 99 % flocculating activity and could also act as an emulsifier. Furthermore, the fungal isolates SGMP1 and SGMP2 were able to remove Al+3 and Fe+3 up to the 600 mg/l concentration which suffices the role of EPS in bioremediation of heavy metals.
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