Table 2.
Antibacterial and antifungal activity of essential oil of copal (Dacryodes peruviana), given as minimal inhibitory concentration (MIC, μg/mL).
| Microorganism | D. Peruviana | Positive Control b |
|---|---|---|
| MIC (μg/mL) a | ||
| Gram-Negative Bacteria | ||
| Pseudomonas aeruginosa (ATCC 27853) | 5000 | 3.91 |
| Klebsiella pneumoniae (ATCC 9997) | 2500 | 1.95 |
| Proteus vulgaris (ATCC 8427) | 2500 | 3.91 |
| Escherichia coli (ATCC 25922) | 2500 | 1.95 |
| Salmonella typhimurium (LT2) | >5000 | 1.95 |
| Gram-positive Bacteria | ||
| Enterococcus faecalis (ATCC 29212) | 2500 | 15.62 |
| Staphylococcus aureus (ATCC 25923) | 625 | 15.62 |
| Dermatophytes Fungi | ||
| Trichophyton rubrum (ATCC 28188) | 2500 | 20 |
| Trichophyton mentagrophytes (ATCC 28185) | 2500 | 20 |
a Mean of nine determinations; b Tetracycline for all bacteria and Terbinafine for fungi.