Table 6.
Minimum inhibitory and bactericidal concentration (mg/mL) of methanolic extract and solvent fractions of Vernonia cinerea (L.) Less.
| Organisms | VNH | VCH | VEA | |||
| MIC | MBC | MIC | MBC | MIC | MBC | |
| Gram positive | ||||||
| S. aureus | 1.56 | 3.13 | 3.13 | 6.25 | 6.25 | 12.5 |
| B.subtilis | ND | ND | 6.25 | 12.5 | 3.13 | 6.25 |
|
Gram negative |
6.25 | 12.5 | 3.13 | 6.25 | 3.13 | 6.25 |
| E.coli | ||||||
| K. pneumoniae | 3.13 | 6.25 | 3.13 | 6.25 | 1.56 | 3.13 |
| P. aeruginosa | 3.13 | 6.25 | 3.13 | 6.25 | 6.25 | 12.5 |
| P. vulgaris | 3.13 | 6.25 | 1.56 | 3.13 | 1.56 | 3.13 |
| Fungi | ||||||
| C. albican | 1.56 | 3.13 | 1.56 | 3.13 | 1.56 | 3.13 |
| A. flavus | ND | ND | ND | ND | ND | ND |
VNH- V. cinerea n-Hexane fraction, VCH- V. cinerea chloroform fraction, VEA- V. cinerea Ethyl acetate fraction, MIC-Minimum Inhibitory Concentration, MBC-Minimum Bactericidal Concentration, ND-Not determined.