Table 2.
Antimicrobial activities of selected DHP-based HHQ derivatives against two representative species of the human normal microbiota.
| DHP | MIC (MBC), mg/L | |
|---|---|---|
| E. coli ATCC 25922 | S. epidermidis ATCC 12228 | |
| MD1 | >64 (>64) | >64 (>64) |
| MD2 | >64 (>64) | >64 (>64) |
| MD6 | >64 (>64) | >64 (>64) |
| MD7 | >64 (>64) | >64 (>64) |
| HM4 | >64 (>64) | >64 (>64) |
| HM6 | >64 (>64) | >64 (>64) |
| Ampicillin | 4 (4) | 4 (4) |
MIC, minimal inhibitory concentration and MBC, minimal bactericidal concentration.