Table 2.

MICs of the four common pathogens.

Planktonic Cells	Tetracycline	Ciprofloxacin	Carvacrol
S. aureus IQ0064	0.25; S *	1; S	200
K. pneumoniae IQ0035	2–4; S	0.13–0.25; S	250
A. baumannii 17978	1–2; S	0.13–0.25; S	100
P. aeruginosa PAO1	2–4; S	0.06; S	500

* S: Susceptible. Susceptibilities were determined according to the breakpoints by Clinical and Laboratory Standards Institute. MIC unit: µg/mL.