Preliminary Phytochemical Screening and Biological Activities of Bulbine abyssinica Used in the Folk Medicine in the Eastern Cape Province, South Africa

Table 5

Minimum inhibitory concentrations (MIC) of acetone and aqueous extracts of B. abyssinica against the tested opportunistic bacteria.

Sample	MIC (mg/mL)
	Sf	Pa	Sa	Ef	Kp	Sp	Pv	Sm
Acetone extract						>		—
Aqueous extract		>						—
Control

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). “—” denotes values not determined. 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.