Extraction: Extraction of liquid fermentation medium was performed using liquid-liquid partition method. An equal volume of organic solvent was added to supernatant of liquid fermentation medium (1:1). First the non polar organic solvent (n-hexane) was added to the supernatant and mixed. The layer of n-hexane extract was collected and evaporated under vacuum. Then the residue was added by other organic solvent i.e. dichloromethane and ethyl acetate respectively. Evaporation of organic extract and residue was performed using Heidolph Rotary vapor (Germany) at 45-50°C.