Table 4: Inhibition zone diameters caused by acetone and aqueous extracts of B. abyssinica (50 mg/mL) against the tested opportunistic bacteria.

SampleInhibition zone diameter (mm)

Acetone extract0
Aqueous extract0

The bacteria isolates are denoted as Sf (Shigella flexneri), Pa (Pseudomonas aeruginosa), Sa (Staphylococcus aureus), Ef (Enterococcus faecalis), Kp (Klebsiella pneumonia), Sp (Streptococcus pyogenes), Pv (Proteus vulgaris), and Sm (Serratia marcescens). Data expressed as means ± SD; ; values along a row with different subscripts are significantly different (). Mean with the different superscript in the same column is significantly different (). Concentration of positive control is 0.013 mg/mL.