Antioxidant, Antidiabetic, and Antibacterial Potentials and Chemical Composition of Salvia officinalis and Mentha suaveolens Grown Wild in Morocco

Table 4

Minimum inhibitory concentration (MIC), minimum bactericidal concentration (MBC), and MBC/MIC values of the essential oils (EOs) of Salvia officinalis and Mentha suaveolens against the ten tested bacterial strains.

Bacterial strain	S. officinalis			M. suaveolens			Chloramphenicol
	MIC	MBC	MBC/MIC	MIC	MBC	MBC/MIC	MIC	MBC	MBC/MIC
Escherichia coli	3.12^a,b	6.25^a,b	2	1.56^b	1.56^b	1	4.0	4.0	1
Salmonella typhimurium	6.25^a,b	12.5^a,b	2	3.12^b	6.25^b	2	4.0	8.0	2
Klebsiella pneumoniae	3.12^a,b	6.25^a,b	2	1.56^b	1.56^b	1	4.0	4.0	1
Proteus mirabilis	3.12^a,b	6.25^a,b	2	1.56^b	3.12^b	2	4.0	8.0	2
Pseudomonas aeruginosa	25.0^b	50.0^a,b	2	25.0^b	25.0^b	1	64	64	1
Staphylococcus aureus	0.78^a,b	1.56^a,b	2	0.39^b	0.39^b	1	2.0	4.0	2
Staphylococcus epidermidis	1.56^a,b	1.56^a,b	1	0.78^b	1.56^b	2	4.0	4.0	1
Enterococcus faecalis	3.12^a,b	3.12^a,b	1	1.56^b	1.56^b	1	2.0	4.0	2
Listeria monocytogenes	0.78^a,b	1.56^a,b	2	0.78^b	0.78^b	1	2.0	2.0	1
Bacillus cereus	1.56^a,b	1.56^a,b	1	0.78^b	1.56^b	2	4.0	4.0	1

Values of MIC and MBC for the tested EOs are in mg/mL, while for chloramphenicol are in μg/mL. ^a,b vs. M. suaveolens EO and chloramphenicol, respectively.