International Journal of Dentistry

Research Article

Antibacterial Activity and Cytotoxic Effect of Pelargonium peltatum (Geranium) against Streptococcus mutans and Streptococcus sanguinis

Table 2

Minimum inhibitory concentration according to the methanolic extract of Pelargonium peltatum against strains of Streptococcus mutans (ATCC 25175) and Streptococcus sanguinis (ATCC 10556).
MicroorganismExtractConcentration (mg/mL)
50025012562.531168421
Streptococcus mutansLeaf+MIC−−−−−−−−
Stem++MIC−−−−−−−
Roots+MIC−−−−−−−−
CHX++++++++MIC−
Streptococcus sanguinisLeaf++MIC−−−−−−−
Stem++++MIC−−−−−
Roots++MIC−−−−−−−
CHX++++++MIC−−−
2CHX: chlorhexidine, MIC: minimum inhibitory concentration, (+): extract inhibit the visible growth of strains, (−): extract not inhibit the visible growth of strains.