Table 1 Minimum inhibitory concentration (MIC) and total antibacterial activity (TAA) and selectivity index (SI) of the nine selected acetone leaf extracts against Stenotrophomonas maltophilia, Klebsiella sp. and Salmonella serotype Typhimurium (AJ 33)
| Â | Stenotrophomonas maltophilia | Klebsiella pneumoniae | Salmonella ser. Typhimurium (AJ 33) | ||||||
|---|---|---|---|---|---|---|---|---|---|
Plants | MIC (mg/ml) | TAA (ml/g) | SI | MIC (mg/ml) | TAA (ml/g) | SI | MIC (mg/ml) | TAA (ml/g) | SI |
H. roeperianum | 0.16 | 749.8 | 0.41 | 0.16 | 749.8 | 0.41 | 0.31 | 387.0 | 0.21 |
C. triflora | 0.08 | 252.1 | 0.72 | 0.08 | 252.1 | 0.72 | 0.08 | 252.1 | 0.72 |
H. arborescens | 0.08 | 325.4 | 1.01 | 0.16 | 162.7 | 0.51 | 0.16 | 162.7 | 0.51 |
P. viridiflorum | 0.08 | 339.6 | 0.68 | 0.16 | 169.8 | 0.34 | 0.16 | 169.8 | 0.34 |
B. speciosus | 0.31 | 74.3 | 0.17 | 0.16 | 144.0 | 0.33 | 0.63 | 36.6 | 0.08 |
C. aurea | 0.16 | 179.0 | 0.09 | 0.08 | 357.9 | 0.17 | 0.16 | 179.0 | 0.09 |
M. lanceolata | 0.08 | 1390.4 | 0.03 | 0.63 | 176.6 | 0* | 0.16 | 695.2 | 0.01 |
E. croceum | 0.08 | 1124.6 | 0.07 | 0.31 | 290.2 | 0.02 | 0.31 | 290.2 | 0.02 |
M. mesozygia | 0.16 | 115.4 | 0.25 | 0.08 | 230.8 | 0.51 | 0.31 | 59.6 | 0.13 |
Mean | 0.13 | NA | NA | 0.2 | NA | NA | 0.25 | NA | NA |
SD | 0.07 | NA | NA | 0.17 | NA | NA | 0.16 | NA | NA |
Gentamicin | 0.0008 | NA | NA | 0.0008 | NA | NA | 0.006 | NA | NA |