EVALUATION OF BACTERIAL STRAINS FOR BIOSURFACTANT
PRODUCTION FROM AGRO-INDUSTRIAL WASTES
REEBA PANESAR, P.S. PANESAR, N. KUMAR AND M.B. BERA
Abstract
Biosurfactants are amphiphilic compounds, which have the advantages over synthetic
counterparts such as lower toxicity, biodegradability, selectivity, specific activity at extreme temperatures,
pH, salinity, and the possibility of their production through fermentation. These have wide range of
potential applications in areas of environmental protection and management, crude oil recovery, as
antimicrobial agents in health care and food processing industries. The advantages of biosurfactants over
their synthetic derivatives and wide range of applications have attracted the strong interest of scientific
community. In the present investigation, the food industry waste namely molasses and whey have been
tested for their suitability for biosurfactant production. Five bacterial strains have been evaluated for their
ability to use these raw materials and compared their performance on the conventional media. Among the
bacterial strains tested, Pseudomonas aeruginosa MTCC 2297 displayed the maximum emulsification
activity (65%) on molasses medium after 120 hrs of incubation period.
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