Table 3. Zone of inhibition (mm) in secondary screening of crude extracts (10 mg/mL) produced from solid state fermentation by using disc diffusion method.
| Isolates | Gram negative |
Gram positive |
|||
| S. typhi | E. coli | P. aeruginosa | K. pneumonia | S. aureus | |
| LT001 | 8.00±0.40 | - | - | 10.00±0.60 | - |
| LT002 | 9.00±0.20 | 8.00±0.40 | - | 9.00±0.20 | 8.00±0.34 |
| LT003 | - | - | - | - | - |
| LT004 | 9.00±0.20 | 10.00±0.34 | - | - | - |
| LT005 | 11.00±0.50 | - | - | - | - |
| LT006 | - | - | - | - | - |
| LT007 | - | - | 11.00±0.20 | 10.00±0.20 | 9.00±0.20 |
| LT008 | 10.00±0.20 | - | 10.00±0.72 | - | - |
| LT009 | - | - | 9.00±0.40 | - | 10.00±0.20 |
| LT010 | - | - | 11.00±0.40 | - | 8.00±0.52 |
| LT015 | - | - | - | - | - |
| Positive control | 12.00±0.30 | 13.00±0.17 | 10.00±0.70 | - | 16.00±0.36 |
| Negative control | - | - | - | - | - |
Values are mean±SD of three replications; (-) denotes inactive; positive control: 25 µg/mL of standard tetracycline; Negative control: 50% of methanol.