Antibacterial activity of Ricinus communis against somebacteria isolated from wastewater

Abstract

This study was conducted at the North Gas Company in Kirkuk during the period from Nov. 2001 - July 2002. Four stations were chosen for sampling collections. The samples chosen from ; station (1) before treatment,and three stations from the treatment unit (production unit ;control unit; and general unit ). Four bacterial species (10 isolates for each) staphylococcus aureus;Enterococcus faecalis; Escherichia coli; and Pseudomonas aeruginosa were isolated.Results of the present study showed that minimum inhibitory concentration (MIC) of alcoholic extract for Gram positive bacteria isolates was (4 - 8 mg/ ml), while it was 4 - 16 mg/ ml for Gram negative bacteria