Table 3.
Antimicrobial activity of Ilex guayusa Loes (A) and Piper marginatum Jacq (B) fractions at 1, 2, and 4 mg/mL with amberlite stationary phase on the three microorganisms evaluated in this study.
| Microorganisms | Fraction concentration (mg/mL) | Controls∗ | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hexane | Acetone | Ethanol-water | DMSO | Hexane | Acetone | Ethanol-water | |||||||
| 1 | 2 | 4 | 1 | 2 | 4 | 1 | 2 | 4 | |||||
| (A) Ilex guayusa Loes∗ | |||||||||||||
| F. nucleatum ATCC 25586 | 0.0 | 0.0 | 12.3 | 0.0 | 12.7 | 13.0 | 0.0 | 0.0 | 10.7 | 0.0 | 0.0 | 0.0 | 0.0 |
| P. gingivalis ATCC 33277 | 13.0 | 13.3 | 13.7 | 12.3 | 14.0 | 12.3 | 0.0 | 12.3 | 18.7 | 0.0 | 0.0 | 0.0 | 0.0 |
| P. intermedia ATCC 25611 | 13.3 | 13.0 | 12.3 | 9.7 | 11.7 | 12.0 | 0.0 | 9.7 | 11.3 | 0.0 | 0.0 | 0.0 | 0.0 |
|
| |||||||||||||
| (B) Piper marginatum Jacq∗ | |||||||||||||
| F. nucleatum ATCC 25586 | 0.0 | 0.0 | 0.0 | 0.0 | 10.7 | 12.0 | 10.3 | 10.7 | 14.7 | 0.0 | 0.0 | 0.0 | 0.0 |
| P. gingivalis ATCC 33277 | 10.3 | 14.3 | 11.7 | 8.3 | 11.7 | 11.7 | 14.7 | 16.3 | 19.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| P. intermedia ATCC 25611 | 10.7 | 10.3 | 10.7 | 10.3 | 11.0 | 11.3 | 11.0 | 11.0 | 12.3 | 0.0 | 0.0 | 0.0 | 0.0 |
∗Inhibitory halo values in mm, average of three measurements.