Fig. 1

The minimal inhibitory concentrations (MICs) of O. citriodorum, O. basilicum var. thyrsiflora and O. basilicum var. purpureum essential oils on selected Gram-positive, Gram-negative bacteria and fungi. Antibiotic-resistant E. coli dhpα-pUC18 strain was used. For bacteria and fungi strains and other details, see Methods. *Antibiotic-resistant E. coli dhpα-pUC18 strain