Table 2.
Minimum inhibitory concentration (μg/ml) of methyl caffeate isolated from S. torvum against tested bacteria
| Organism | Methyl caffeate | Streptomycin |
|---|---|---|
| Gram positive | ||
| Staphylococcus aureus | 250 | 6.25 |
| Micrococcus luteus | 100 | 6.25 |
| Gram negative | ||
| Proteus vulgaris | 50 | 6.25 |
| Salmonella paratyphi-B | 100 | 25 |
| Salmonella typhimurium | 500 | 30 |
| Pseudomonasaeruginosa | 100 | 25 |
| Bacillus subtilis | 250 | 25 |
| Klebsiella pneumoniae | 100 | 6.25 |
| Clinical isolates | ||
| Escherichia coli (ESBL-3984) | 250 | 25 |
| Escherichia coli (ESBL-3904) | 500 | 25 |
| Klebsiella pneumoniae (ESBL-3971) | 25 | 6.25 |
| Klebsiella pneumoniae (ESBL-75799) | 100 | 25 |
| Klebsiella pneumoniae (ESBL-3894) | 500 | 6.25 |
| Klebsiella pneumoniae (ESBL-3967) | 250 | 25 |
| Staphylococcus aureus (MRSA) | 500 | 6.25 |
Streptomycin (standard antibacterial agent); methyl caffeate (isolated compound)