Table 1 Antibacterial activities of Acacia nilotica bark and their fractions against Streptococcus sobrinus and Porphyromonas gingivalis
Samples | Streptococcus sobrinus | Porphyromonas gingivalis | ||
|---|---|---|---|---|
MIC mg/ml | MBC mg/ml | MIC mg/ml | MBC mg/ml | |
Crude extract | 0.5 | 2 | 0.5 | 2 |
Fr1 | 0.5 | -a | 0.3 | 4 |
Fr2 | 0.5 | 1 | 0.3 | 1 |
Fr3 | 1 | – | 0.5 | – |
Fr4 | 0.5 | – | 1 | – |
Chlorhexidine b | 0.0004 | 0.0004 | 0.0004 | 0.0004 |