Table 6. Zone of inhibition (mm) in secondary screening of crude extracts (10 mg/mL) produced from submerged fermentation by using well diffusion method.
| Extracts | Gram negative |
Gram positive |
|||
| S. typhi | E. coli | P. aeruginosa | K. pneumonia | S. aureus | |
| LT001 | 13.00±0.72 | - | 11.00±0.80 | - | - |
| LT002 | - | 10.00±0.78 | - | - | - |
| LT003 | 13.00±0.79 | 12.00±0.70 | 18.00±0.87 | - | 13.00±0.20 |
| LT004 | 11.00±0.7 | - | - | - | - |
| LT005 | 11.00±0.79 | 17.00±0.86 | 14.00±0.87 | 13.00±0.35 | 25.00±0.20 |
| LT006 | - | - | - | - | 17.00±0.53 |
| LT007 | - | - | - | - | 12.00±0.40 |
| LT008 | 14.00±0.72 | 13.00±0.40 | 12.00±0.35 | - | 20.00±0.61 |
| LT009 | - | - | - | - | 15.00±0.40 |
| LT010 | - | - | 10.00±0.35 | 12.00±0.72 | 14.00±0.36 |
| LT015 | - | - | 11.00±0.86 | 12.00±0.70 | - |
| Positive control | 9.00±0.53 | 12.00±0.36 | 13.00±0.40 | - | 18.00±0.70 |
| Negative control | - | - | - | - | - |
Values are mean±SD of three replications; -: denotes inactive; Positive control: 25 µg/mL of standard tetracycline; Negative control: 50% of methanol.