Phytochemical Analysis and Biological Activities of Cola nitida Bark

Table 3

Minimum inhibitory concentrations of C.  nitida’s bark extract on reference strains and meat isolated Staphylococcus strains.

Strains	Minimum inhibitory concentrations (mg/ml)
	Ethanol extract	Ethyl acetate extract
Reference strains
Staphylococcus aureus	0.312	1.25
Pseudomonas aeruginosa	0.625	1.25
Proteus mirabilis	1.25	1.25
Micrococcus luteus	05	2.5
Staphylococcus epidermidis	1.25	0.625
Proteus vulgaris	1.25	1.25
Streptococcus oralis	0.312	0.625
Enterococcus faecalis	0.312	1.25
Escherichia coli	—	—
Candida albicans	0.625	0.312
Meat isolated Staphylococcus strains
S. sciuri	0.625	0.312
S. aureus	1.25	0.312
S. simulans	0.312	0.152
S. cohnii	0.625	0.312
S. xylosus	1.25	0.312
S. equorum	0.156	0.078
S. saprophyticus	0.312	0.078
S. haemolyticus	0.078	0.625
S. lentus	0.156	0.078