Table 4. Minimum inhibitory concentration results.
| Strain | Commercial Violacein | NI28 Violacein | Commercial Violacein | NI28 Violacein |
|---|---|---|---|---|
| Mueller-Hinton Media | Modified M9 Media | |||
| S. aureus | ||||
| ATCC 25923 | 15 μM | 15 μM | 1.8 μM | 1.8 μM |
| Clinical Isolate | 15 μM | 15 μM | 0.9 μM | 1.8 μM |
| CCARM 0201 | 15 μM | 15 μM | 1.8 μM | 1.8 μM |
| CCARM 3090 | 15 μM | 15 μM | 1.8 μM | 1.8 μM |
| CCARM 3840 | 15 μM | 15 μM | 0.9 μM | 1.8 μM |
| K. pneumoniae ATCC 13883 | >30 μM | >30 μM | >30 μM | >30 μM |
| P. aeruginosa PAO1 | >30 μM | >30 μM | >30 μM | >30 μM |
The concentration listed is that which showed no growth after 24 hours in the resazurin microplate tests using the modified M9 media. The highest crude violacein concentration tested was 60 μM.