Biochemistry Research International

Research Article

Phytochemical Analysis and Biological Activities of Cola nitida Bark

Table 4

Minimum bactericidal concentrations of C.  nitida’s bark extract on reference strains and meat isolated Staphylococcus strains.
Strains Minimum bactericidal concentrations (mg/ml)
Ethanol extractEthyl acetate extract
Reference strains  
 Staphylococcus aureus 2.51.25
 Pseudomonas  aeruginosa 2.52.5
 Proteus mirabilis 1005
 Micrococcus luteus >20>20
 Staphylococcus epidermidis 2.52.5
 Proteus vulgaris 1005
 Streptococcus oralis 052.5
 Enterococcus faecalis 2.51.25
 Escherichia coli ——
 Candida albicans 2.52.5
Meat isolated Staphylococcus strains  
 S. sciuri 050.625
 S. aureus 2.52.5
 S. simulans 2.52.5
 S. cohnii 052.5
 S. xylosus 0505
 S. equorum 0.6250.625
 S. saprophyticus 2.50.625
 S. haemolyticus 2.52.5
 S. lentus 2.50.625