TABLE 2.

Escherichia coli, Staphylococcus aureus, Listeria monocytogenes, and Enterococcus faecalis biofilm log counts after treatment for 10 min with limonene, free and microencapsulated RuL3 at their respective MICs.

	E. coli	S. aureus	L. monocytogenes	E. faecalis
Log CFU/cm2
Control	8.1 ± 0.3	8.3 ± 0.2	7.8 ± 0.2	7.4 ± 0.3
Limonene	7.5 ± 0.1	7.7 ± 0.2	7.3 ± 0.3	6.9 ± 0.1
RuL3	5.5 ± 0.2	5.0 ± 0.2	4.8 ± 0.3	5.4 ± 0.1
Microen- capsulated RuL3	3.7 ± 0.3	2.8 ± 0.1	3.0 ± 0.1	4.2 ± 0.2

For the control, biofilms were treated with potassium phosphate buffer (100 mM, pH 7) for 10 min.