Table 2. Antimicrobial Activity (mm) of Cycloprodigiosin, Prodigiosin, and 2-Methyl-3-hexyl Prodiginine Detected in the Disk Diffusion Testa.
| inhibition
zone (mm) |
||||
|---|---|---|---|---|
| compound | E. coli | S. aureus | S. typhi | C. albicans |
| cycloprodigiosin | 9.0 ± 0.49 | 25.1 ± 0.55 | 8.1 ± 0.03 | 7.9 ± 0.07 |
| prodigiosin | 10.5 ± 0.9 | 11.6 ± 0.28 | 8.5 ± 0.13 | 8.2 ± 0.09 |
| 2-methyl-3-hexyl prodiginine | 9.1 ± 0.49 | 10.1 ± 0.44 | 8.1 ± 0.09 | 7.9 ± 0.06 |
| amoxicillin | 23.4 ± 0.26 | 41.5 ± 0.26 | 8.2 ± 0.17 | 8.6 ± 0.12 |
| ampicillin | 24.1 ± 0.20 | 45.7 ± 0.21 | 13.4 ± 0.20 | 8.6 ± 0.07 |
| chloramphenicol | 20.8 ± 0.32 | 27.3 ± 0.18 | 23.5 ± 0.20 | 8.3 ± 0.06 |
a
The data used are averages of triplicate measurement ± the standard error (±SE).