Table 2.
Ilex guayusa Loes and Piper marginatum Jacq total ethanol extract antimicrobial activity.
| Microorganisms | Concentration (mg/mL)∗ | Controls∗ | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Ilex guayusa Loes | Piper marginatum Jacq | Erythromycin (50 IU/mL) | Ampicillin (100 µg/mL) | DMSO | Ethanol | |||||
| 1 | 2 | 4 | 1 | 2 | 4 | |||||
| F. nucleatum ATCC 25586 | 0.0 | 0.0 | 0.0 | 12.3 | 13.0 | 14.3 | 4.7 | 4.5 | 0.0 | 0.0 |
| P. gingivalis ATCC 33277 | 10.7 | 13.7 | 13.3 | 21.7 | 27.0 | 30.0 | 22.7 | 38.0 | 0.0 | 0.0 |
| P. intermedia ATCC 25611 | 9.3 | 10.0 | 11.0 | 12.3 | 13.0 | 15.7 | 40 | 14.7 | 0.0 | 0.0 |
Total ethanol extracts were evaluated at 1, 2, and 4 mg/mL on the three microorganisms included in this study. ∗Inhibitory halo values in mm, average of three measurements.