Research Article

In Vitro Antibacterial Activity of Galls of Quercus infectoria Olivier against Oral Pathogens

Table 2

MIC values of methanol/acetone extract from galls of Q. infectoria against oral bacteria.

Concentration (mg/mL)Bacterial speciesControl
S. mutansS. salivariusP. gingivalisF. nucleatumPositiveNegative
ATCCATCCATCCATCC
25175134193327725586

5.00+
2.50+
1.25+
0.63+
0.31+++
0.16++++
0.08+++++
0.04+++++
0.02+++++
0.01+++++

+: Presence of indicator color changes.
−: Absence of indicator color changes.