Antimicrobial Activity of Piper marginatum Jacq and Ilex guayusa Loes on Microorganisms Associated with Periodontal Disease

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.