Strain | Guava extract | Eugenol | |
Inhibition zone (mm) | MIC (µg/ml) | MIC (µg/ml) | |
Streptococcus mutans (ATCC 25175) | 8.6 ± 0.57 | 250 | 250 |
Streptococcus mitis (ATCC 49456) | 8.2 ± 0.28 | 250 | 500 |
Streptococcus oralis (ATCC 10557) | 9.3 ± 0.76 | 250 | 500 |