2.2. Test organisms
The bacterial strains of Escherichia coli, ATCC 35218, and Pseu- domonas aeruginosa ATCC 27853, Mycobacterium tuberculosis H37Rv, S. aureus ATCC 25923, local isolates of methicillin resistant S. aureus BHU 011 and Enterococcus faecalis were used in this study. Antibiotic sensitivity pattern of these test or- ganisms were tested by using FDA recommended antibiotics and standard methodology.