Table 2. Primary screening of the isolates by using agar overlay method. Zone of inhibition (mm) against tested bacteria.
| Isolates | Gram negative |
Gram positive |
|||
| E. coli | P. aeruginosa | S. typhi | K. pneumonia | S. aureus | |
| LT003 | 20.00±0.40 | 24.00±0.36 | 16.00±0.17 | - | 23.00±0.34 |
| LT004 | - | - | - | 16.00±0.10 | - |
| LT005 | 16.00±0.30 | 20.00±0.43 | 30.00±0.40 | - | 10.00±0.40 |
| LT008 | - | - | 15.00±0.46 | - | 15.00±0.10 |
| LT009 | - | - | - | - | - |
| LT010 | 20.00±0.83 | 22.00±0.20 | 20.00±0.20 | - | 19.00±0.40 |
| LT015 | 17.00±0.40 | - | 21.00±0.40 | - | 25.00±0.20 |
| LT022 | 7.00±0.40 | 9.00±0.87 | - | - | 6.00±0.20 |
| LT027 | 8.00±0.40 | - | - | 6.00±0.80 | - |
Values are mean±SD of three replications; (-) denotes no zone of inhibition.