Table 2.

Concentrations of honey required to inhibit P. aeruginosa cell growth and biofilm formation before and after exposure to honey.

Honey	Initial susceptibilitya				Susceptibility after exposure to honeyb
	PAO1		PA14		PAO1		PA14
	MIC	MBIC	MIC	MBIC	MIC	MBIC	MIC	MBIC
Manuka	16	16	16	8	32	32	32	32
Medihoney	16	32	16	16	32	32	32	32
Manuka-kanuka	16	16	16	16	32	32	32	32
Clover	32	32	32	16	N/A	N/A	N/A	N/A
Sugar solution	32	32	>32	32	N/A	N/A	N/A	N/A

All concentrations are expressed as percentage weight per volume (% w/v).

^aInitial susceptibility of PAO1 and PA14 to honeys.

^bSusceptibility of PAO1 and PA14 cells recovered from biofilms that had been treated with a sub-inhibitory concentration (8%) of honey.

N/A: not applicable as these honeys were not tested in resistance assays.