Table 1 Antibacterial activity of Eugenia caryophyllata essential oil against oral bacteria
Strains | Numbers of tested strains (%) | Means of clear zone (mm) ± SD | |||
|---|---|---|---|---|---|
Eugenia essential oil (3 mg) | Eryt (15 μg) | ||||
Streptococcus mitis | 15 (14.42) | 15.43 ± 1.93 | 14.67 | ||
Enterococcus faecalis | 13 (12.50) | 10.35 ± 1.251 | 9.77 | ||
Streptococcus constellatus | 12 (11.54) | 17.21 ± 3.8 | 11.5 | ||
Streptococcus oralis | 10 (9.62) | 15.45 ± 2.75 | 15.8 | ||
Streptococcus salivarius | 9 (8.65) | 12.78 ± 1.41 | 11.44 | ||
Streptococcus pyogenes | 6 (5.77) | 12.25 ± 1.29 | 12.67 | ||
Streptococcus mutans | 5 (4.81) | 16.1 ± 2.4 | 11.2 | ||
Enterococcus faecium | 5 (4.81) | 10.5 ± 1.273 | 10.2 | ||
Gemella morbillorum | 5 (4.81) | 14.1 ± 1.84 | 10.4 | ||
Streptococcus anginosus | 4 (3.85) | 12.75 ± 1.41 | 12.25 | ||
Gemella haemolysans | 4 (3.85) | 11.88 ± 1.23 | 11 | ||
Streptococcus uberis | 3 (2.88) | 11.33 ± 1.41 | 10.33 | ||
Aerococcus viridans | 2 (1.92) | 12 ± 0.7 | 10.5 | ||
Streptococcus bovis | 2 (1.92) | 12.25 ± 1.06 | 12.5 | ||
Streptococcus sanguis | 2 (1.92) | 11.75 ± 1.061 | 12 | ||
Lactococcus lactis ssp. cremoris | 2 (1.92) | 11.75 ± 0.35 | 12.5 | ||
Lactococcus lactis ssp. lactis | 2 (1.92) | 12.25 ± 1.06 | 12.5 | ||
Leuconostoc spp. | 1 (0.96) | 13 | 12 | ||
Enterococcus avium | 1 (0.96) | 11 ± 1.41 | 11 | ||
Streptococcus equinus | 1 (0.96) | 9 | 8 | ||
Total | 104 (100) | ||||