| Micro-organism | Negative Control (Chloroform) | Positive Control CRO (mm) | Compound 2b (25 µL) |
| Gram (−) |
|
|
|
| Salmonella typhimurium (NRRLB-4420) | 7 | 15 | 12 |
| Klepsiella pneumonia | - | 21 | 10 |
| Escherichia coli (ATCC-25922) | - | 16 | 7 |
| Proteus vulgaris | 10 | ND | 10 |
| Gram (+) |
|
|
|
| Bacillus cereus (ATCC-11778) | 12 | 8 | 12 |
| Bacillus subtilis (NRS-744) | 13 | 8 | 19 |
| Stapylococus aureus (NRRL-B 767) | 7 | 30 | 17 |
| Micrococcus luteus (ATCC-9341) | 10 | - | 13 |
| Listeria monoaytopenus (ATCC-7644) | - | 21 | 10 |
| Yeast |
|
|
|
| Candida albicans | - | ND | 11 |