Table 3.

Inhibitory effect of essential oils on QS-mediated virulence factor swarming motility of P. aeruginosa ATCC 27853 at sub-MIC concentrations (mg/mL).

Zone Diameters (mm)
Concentration (mg/mL)	AGSUN 5102 CLP	AGSUN 5106 CLP
91.80	2.0	3.0
45.90	2.5	3.5
22.95	3.0	4.3
11.48	4.4	4.8
	Controls
Concentration (mg/mL)	Azithromycin
0.25	2.0
0.13	2.3
0.06	2.8
0.03	3.5
Concentration (mg/mL)	Cinnamaldehyde
3.75	2.5
1.88	3.0
0.94	3.8
0.47	4.5
2% DMSO	5.0
Untreated cells	5.0