Table 4.

Preliminary antimicrobial activity of the different extracts.

Species	Part	Extract	Microbial Strains and MIQ (μg)
			Gram+ve Bacteria		Gram−ve Bacteria		Fungus
			E. coli	P. aeruginosa	B. subtilis	S. aureus	C. albicans
A. adianthifolia	heartwood	n-hexane	1	50	50	50	>100
A. adianthifolia	heartwood	Chloroform	1	50	50	50	>100
P. angolensis	stem bark	n-hexane	>100	>100	100	>100	100
P. angolensis	stem bark	Chloroform	>100	>100	50	>100	100
Chloramphenicol			0.50	10	0.25	0.50	N.A
Miconazole			N.A	N.A	N.A	N.A	0.25

Not active at a loading >100 μg; N.A = not applicable. MIQ = minimum inhibition quantities.