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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

From: Correlation between chemical composition and antibacterial activity of some Lamiaceae species essential oils from Tunisia

Essential oilsTested microorganisms  
 E. colia)S. entP. aerB. subS. aur
S. officinalis
 MIC22.78b)22.7822.7822.7822.78
 MBC45.5522.7822.7822.7822.78
 MBC/MIC2.001.001.001.001.00
T. capitatus
 MIC0.730.731.472.940.73
 MBC0.730.732.942.940.73
 MBC/MIC1.001.002.001.001.00
R. officinalis1
 MIC11.3822.7522.7522.7522.75
 MBC22.7522.7545.5022.7545.50
 MBC/MIC2.001.002.001.002.00
R. officinalis2
 MIC45.5045.5091.0091.0045.50
 MBC182.0091.00182.0091.0091.00
 MBC/MIC4.002.002.001.002.00
O. majorana
 MIC45.0022.5045.0022.5022.50
 MBC45.0022.5045.0022.5022.50
 MBC/MIC1.001.001.001.001.00
  1. aE. coli = Escherichia coli CIP 53.126; S. ent = Salmonella enterica CIP80.39;
  2. P. aer = Pseudomonas aeruginosa CIP 82118; B. sub = Bacillus subtilis CIP 52.62; S. aur = Staphylococcus aureus CIP 4.83.
  3. bValues are expressed as mg/mL