Table 4 Cytotoxicity from Adamu et al., [[6]] and selectivity index of leaf acetone extracts of 13 plant species against four bacterial pathogens calculated by dividing cytotoxicity by MIC
Plant species | Cytotoxicity (mg/ml) | Staphylococcus aureus | Escherichia coli | Enterococcus faecalis | Pseudomonas aeruginosa |
|---|---|---|---|---|---|
Brachylaena discolor | 0.004 | 0.00 | 0.01 | 0.03 | 0.01 |
Zanthoxylum capense | 0.008 | 0.01 | 0.00 | 0.03 | 0.03 |
Clerodendrum glabrum | 0.172 | 0.14 | 0.55 | 0.14 | 0.27 |
Heteromorpha trifoliata | 0.043 | 0.03 | 0.07 | 0.03 | 0.07 |
Apodytes dimidiata | 0.003 | 0.01 | 0.00 | 0.00 | 0.01 |
Strychnos mitis | 0.043 | 0.14 | 1.08 | 0.07 | 0.27 |
Maesa lanceolata | 0.104 | 1.30 | 2.60 | 2.60 | 5.20 |
Indigofera frutescens | 0.052 | 0.33 | 0.33 | 0.65 | 0.17 |
Leucosidea sericea | 0.016 | 0.20 | 0.22 | 0.80 | 0.80 |
Melia azedarach | 0.145 | 0.23 | 0.47 | 0.91 | 0.23 |
Clausena anisata | 0.053 | 0.33 | 0.17 | 0.17 | 0.17 |
Cyathea dregei | 0.017 | 0.05 | 0.05 | 0.01 | 0.05 |
Milletia grandis | 0.021 | 0.07 | 0.07 | 0.07 | 0.07 |