Table 2.
Minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) of DA-25, CD-25, DA-100, and CD-100 hydrogel against all tested organisms.
| Organism | Concentration (mg·mL−1) | Positive Controls a (μg·mL−1) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| DA-25 | CD-25 | DA-100 | CD-100 | |||||||
| MIC | MBC | MIC | MBC | MIC | MBC | MIC | MBC | MIC | MBC | |
| Escherichia coli | >64 | >64 | >50 | >50 | 32 | 50 | >50 | >50 | 8 | 8 |
| Staphylococcus aureus | >64 | >64 | >50 | >50 | 8 | 32 | 40 | 40 | 0.0625 | 1 |
| Enterocococcus faecalis | >64 | >64 | >50 | >50 | 8 | 25 | >50 | >50 | 0.5 | 1 |
| Peptostreptococcus anaerobius | 50 | 50 | >50 | >50 | 4 | 8 | 40 | 40 | 0.5 | 1 |
| Bacteroides fragilis | 50 | 50 | >50 | >50 | 4 | 8 | 20 | 40 | 0.5 | 1 |
| Clostridium perfringens | 32 | 32 | >50 | >50 | 2 | 2 | 20 | 20 | 1 | 1 |
| Helicobacter pylori | 8 | 8 | >50 | >50 | 2 | 2 | 20 | 20 | 1 | 1 |
a Antibiotic control used for each microorganism is shown in Table 1; MIC means minimum inhibitory; MBC means minimum bactericidal concentration.