Biosurfactant or surface-active compounds are a heterogeneous group of surface active molecules
produced by microoaganisms, which either adhere to cell surface or are excreted extracellulary
in the growth medium (Fietcher 1992; Zajic and Stiffens, 1994; Makker and Cameotra, 1998). These molecules reduce surface tension and Critical Micelle Dilution (CMD) in both aqueous solutions and hydrocarbon mixtures. These properties create micro