Table 4 Minimal inhibition concentration (MIC), minimal bactericidal concentration (MBC) and ration MBC/MIC of the aerial parts essential oils extracted from 05 Tunisian Lamiaceae plants against 5 bacterial strains
Essential oils | Tested microorganisms | Â | Â | ||
|---|---|---|---|---|---|
| Â | E. colia) | S. ent | P. aer | B. sub | S. aur |
S. officinalis | |||||
 MIC | 22.78b) | 22.78 | 22.78 | 22.78 | 22.78 |
 MBC | 45.55 | 22.78 | 22.78 | 22.78 | 22.78 |
 MBC/MIC | 2.00 | 1.00 | 1.00 | 1.00 | 1.00 |
T. capitatus | |||||
 MIC | 0.73 | 0.73 | 1.47 | 2.94 | 0.73 |
 MBC | 0.73 | 0.73 | 2.94 | 2.94 | 0.73 |
 MBC/MIC | 1.00 | 1.00 | 2.00 | 1.00 | 1.00 |
R. officinalis1 | |||||
 MIC | 11.38 | 22.75 | 22.75 | 22.75 | 22.75 |
 MBC | 22.75 | 22.75 | 45.50 | 22.75 | 45.50 |
 MBC/MIC | 2.00 | 1.00 | 2.00 | 1.00 | 2.00 |
R. officinalis2 | |||||
 MIC | 45.50 | 45.50 | 91.00 | 91.00 | 45.50 |
 MBC | 182.00 | 91.00 | 182.00 | 91.00 | 91.00 |
 MBC/MIC | 4.00 | 2.00 | 2.00 | 1.00 | 2.00 |
O. majorana | |||||
 MIC | 45.00 | 22.50 | 45.00 | 22.50 | 22.50 |
 MBC | 45.00 | 22.50 | 45.00 | 22.50 | 22.50 |
 MBC/MIC | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 |