Ethanol extract (mg/ml) Aqueous extract (mg/ml) Staphylococcus aureus 0.98 3.64 Bacillus subtilis 4.42 8.84 Candida 0.39 2.68 Pseudomonas aeruginosa 2.68 3.12 Escherichia coli 2.29 3.12

Table 4: Minimum Inhibitory Concentration (MIC) of root extract of A. boonei