Table 3 Cytotoxicity, Minimum Inhibitory Concentrations (MIC), and selectivity index (SI) of the acetone extracts of the selected plants
From: Antibacterial interactions, anti-inflammatory and cytotoxic effects of four medicinal plant species
Plant species | LC50 (μg/mL) | MIC values (μg/mL) | Selectivity index (SI) | ||||||
|---|---|---|---|---|---|---|---|---|---|
E. coli | P. aeruginosa | E. faecalis | S. aureus | E. coli | P. aeruginosa | E. faecalis | S. aureus | ||
Schkuhria pinnata | < 25.0 | 320 | 640 | 1250 | 1250 | 0.08 | 0.04 | 0.02 | 0.02 |
Dombeya rotundifolia | 466.1 | 320 | 1250 | 1250 | 1250 | 1.46 | 0.37 | 0.37 | 0.37 |
Elephantorrhiza elephantina | 416.4 | 640 | 2500 | 2500 | 2500 | 0.17 | 0.17 | 0.17 | 0.17 |
Commelina africana | 441.1 | 20 | 2500 | 2500 | 2500 | 22.06 | 0.18 | 0.18 | 0.18 |