Antibacterial and Antibiofilm Activity of Methanolic Plant Extracts against Nosocomial Microorganisms

Table 3

Minimum bactericidal concentration (MBC) of methanolic extracts against clinical isolated bacteria.

Plant	MBC (mg/mL)
	K. pneumoniae	E. faecalis	E. coli	S. maltophilia	S. aureus
S. secundiflora	NE	NE	NE	NE	9.1 ± 0.4
S. ambigua	NE	NE	NE	NE	>15
P. laevigata	3.8 ± 0.1	2.7 ± 0.1	1.5 ± 0.2	NE	0.7 ± 0.01
O. ficus-indica	>15	>15	4.0 ± 0.3	NE	1.0 ± 0.2
M. vulgare	NE	0.7 ± 0.01	NE	NE	3.9 ± 0.3
S. drummondii	NE	0.6 ± 0.01	NE	NE	7.3 ± 0.2
N. bivalve	NE	NE	NE	NE	NE
G. microcephala	NE	NE	8.3 ± 0.2	NE	2.8 ± 0.3

Values are means ± standard deviations. NE: not evaluated.