| Microorganism | Minimum Inhibitory Concentration (MIC) (µg・mL−1) | ||||||
| 1 | 2 | 3 | 4 | 5 | 6 | S | |
| Gram positive |
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| Bacillus subtilis (MTCC 441) | 100 | >500 | 250 | 150 | >250 | 250 | 2.5 |
| Staphylococcus aureus (ATCC 25923) | 150 | >250 | 250 | 100 | 250 | NA | 37.5 |
| Staphylococcus epidermidis (MTCC 3615) | 100 | 250 | 150 | 150 | 100 | NA | 10 |
| Enterococcus faecalis (ATCC 29212) | 100 | 150 | 100 | 250 | 150 | 100 | 25 |
| Gram negative |
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| Escherichia coli (ATCC 25922) | 150 | >500 | >250 | 150 | NA | 500 | 25 |
| Klebsiella pneumoniae (ATCC 15380) | 250 | >500 | >250 | 100 | NA | >500 | 25 |
| Pseudomonas aeroginosa (ATCC 27853) | 100 | 500 | >250 | 100 | 250 | >500 | 50 |