| Types of bacteria | Name of tested bacteria | Strain no. |
| Gram + Ve | Bacillus cereus | BTCC 19 |
| Bacillus megaterium | BTCC 18 | |
| Staphylococcus aureus | ATCC 6538 | |
| Gram − Ve | Escherichia coli | ATCC 25922 |
| Salmonella typhi | AE 14612 | |
| Salmonella paratyphi | AE 146313 |