Table 1.
The minimum inhibitory concentrations of the extract, n-hexane, ethylacetate, n-butanol and aqueous fractions and standard antibiotics exhibited against susceptible bacterial isolates
| Bacterial isolates | CE (mg/ml) | N-HEX (mg/ml) | ETHYL (mg/ml) | BUT (mg/ml) | AQU (mg/ml) | STREP (mg/ml) |
|---|---|---|---|---|---|---|
| B. cereus (NCIB 6349) | 6.25 | 5.00 | 5.00 | 1.25 | 5.00 | 0.06 |
| B. polymyxa (LIO) | 6.25 | ND | ND | ND | ND | 0.13 |
| B. anthracis (LIO) | 6.25 | 2.50 | 5.00 | 2.50 | 5.00 | 0.25 |
| B. subtilis (NCIB 3610) | 6.25 | 5.00 | 5.00 | 2.50 | 5.00 | 0.25 |
| B. stearothermophillus (NCIB 8222) | 6.25 | 2.50 | 2.50 | 1.25 | 2.50 | 0.06 |
| C. sporogenes (NCIB 532) | 6.25 | 5.00 | 5.00 | 1.25 | 5.00 | 0.06 |
| C. pyogenes (LIO) | 6.25 | 5.00 | 5.00 | 2.50 | 5.00 | 0.13 |
| E. faecalis (NCIB 775) | 0.39 | 0.16 | 0.16 | 0.16 | 0.16 | 0.03 |
| M. luteus (NCIB 196) | 6.25 | 5.00 | 5.00 | 1.25 | 5.00 | 0.25 |
| K. pneumoniae (NCIB 418) | 6.25 | 5.00 | 5.00 | 1.25 | 5.00 | 0.50 |
| Ps. flourescens (NCIB 3756) | 3.13 | 5.00 | 5.00 | 1.25 | 5.00 | 0.03 |
| P. vulgaris (LIO) | 12.50 | 2.50 | 5.00 | 2.50 | 2.50 | 0.50 |
KEY: LIO = Locally Isolated Organism, NCIB = National Collection of Industrial Bacteria, CE = Plant extract, N-HEX = N-Hexane fraction, ETHYL = Ethyl acetate fraction, BUT = n-Butanol fraction, AQU = Aqueous fraction, STREP = Streptomycin, ND = Not Determined.