Table 1 Antibacterial activity of R. communis essential oil, using agar disc diffusion, IC 50 and minimal inhibition concentration (MIC)
Strains | DDa | IC50b | MICc | DDd |
|---|---|---|---|---|
Bacterial strains Gram (+) | ||||
Bacillus subtilis | 28.4 ± 0.8 | 480 ± 1 | >190.00 | 26 ± 0.6 |
Staphylococcus aureus 1327 | 24.0 ± 1.0 | 290 ± 5 | >150.00 | 20 ± 0.5 |
Enterobacter cloacae | 22.6 ± 0.7 | 390.5 ± 19 | >150.00 | 21 ± 1.4 |
Staphylococcus epidermidis | 16.6 ± 0.7 | 210 ± 5 | >120.00 | 22 ± 0.5 |
Enterococcus faecalis | 15.2 ± 1.0 | 290 ± 10 | >180.00 | 25 ± 1.0 |
Staphylococcus aureus 25923 | 14.0 ± 1.0 | 500 ± 20 | >150.00 | 24 ± 0.5 |
Micrococcus luteus | 8.0 ± 0.5 | 230 ± 5 | >140.00 | 20 ± 1.5 |
Bacillus cereus | 6.1 ± 0.9 | 300 ± 10 | >130.00 | 21 ± 1.0 |
Bacterial strains Gram (-) | ||||
Pseudomonas aeruginosa 27853 | 8.2 ± 0.8 | 530 ± 10 | >270.00 | 20 ± 1.0 |
Klebsiella pneumoniae WHO24 | 6.2 ± 0.4 | 652 ± 8 | >320.00 | 21 ± 0.9 |
Escherchia coli 25922 | 4.2 ± 0.9 | 430 ± 5 | >240.00 | 22 ± 0.8 |
Salmonella | 4.2 ± 0.6 | 590 ± 10 | >250.00 | 29 ± 1.0 |