. 2020 Oct 20;9(10):717. doi: 10.3390/antibiotics9100717

Table 6.

Indirect activity of the essential oils, combined at a non-active concentration (sub-MIC) with antibiotics, against the two MRSA and E. faecalis (n = 3). In bold, the most promising results.

	Minimum Inhibitory Concentration (MIC, μg/mL)
EO	S. aureus LMG 15975					S. aureus LMG 16217			E. faecalis LMG 8222
	EO Sub-MIC +	AMX	PEN V	EO Sub-MIC +	PEN V	EO Sub-MIC +	AMX	PEN V	EO Sub-MIC +	FOF	GEN
AB_alone	EO Sub-MIC +	8	4	EO Sub-MIC +	4	EO Sub-MIC +	64	64	EO Sub-MIC +	64	64
AW	125 +	1	0.5	32 +	2	125 +	32	64	500 +	64	1
BE	500 +	2	2	32 +	4	500 +	64	64	500 +	64	64
CA	500 +	2	0.125	32 +	1	500 +	32	32	500 +	64	1
CC	62.5 +	2	1	nt	nt	62.5 +	64	64	125 +	64	8
CF	31.3 +	2	2	nt	nt	31.3 +	64	64	250 +	64	2
GF	250 +	1	0.125	32 +	1	250 +	32	64	500 +	64	4
LG	125 +	2	0.25	nt	nt	62.5 +	64	32	500 +	64	1
LS	500 +	1	0.06	32 +	1	500 +	32	32	500 +	32	8
OC	62.5 +	2	0.25	32 +	0.5	62.5 +	64	64	250 +	64	2
PM	250 +	2	0.06	32 +	1	250 +	64	64	500 +	64	4

AW—ajowan, BE—basil, CA—German chamomile, CC—Chinese cinnamon, CF—coriander, EO—essential oil, GF—clove, LG—lemongrass, LS—Spanish lavender, OC—oregano, PM—palmarosa, AB—antibiotic, AMX—amoxicillin, EO—essential oil, FOF—Fosfomycin, GEN—gentamicin, PEN V—penicillin V, nt—not tested.