Table 3.

Antibacterial activity of ethanol extracts of various plant species

Plant	Microorganisms MIC (μg/ml)
	S. aureus (ATCC 6538)	E. coli (ATCC 25922)	K. pneumoniae (ATCC)	P. aeruginosa (ATCC 15442)
P. amboinicus	≥1024	≥1024	≥1024	≥1024
P. barbatus	128	≥1024	≥1024	≥1024
Z. rhoifolium	64	256	512	512
S. rotundifolium	>1024	128	512	>1024
L. camara	512	256	512	256
L. montevidensis	512	32	512	8
G. graciliflora	≥1024	≥1024	512	≥1024
C. zenhtneri	64	512	≥1024	≥1024
D. gardineriana	128	512	≥1024	512
V. arborea	512	512	512	512
P. tuberculatum	≥1024	≥1024	≥1024	≥1024