Table 4.
Antibacterial activity results of the stem sequential extract Tabernaemontana stapfiana Britten
| Microorganisms | EtOAc | MeOH | ||||
| Zone (mm) |
MIC µg/ml |
MBC µg/ml |
Zone (mm) |
MIC µg/ml |
MBC µg/ml |
|
|
S. aureus (MDRS) |
18 | 3.9 | 15.6 | 20 | 3.9 | 15.6 |
|
S. aureus (MRRSA) |
18 | 3.9 | 31.25 | 20 | 7.8 | 31.25 |
| B. subtilis (L) | 14 | 31.25 | 500 | 20 | 31.25 | 250 |
|
E. faecalis (Std.) |
17 | 7.8 | 125 | 20 | 31.25 | 125 |
| S. typhi (L) | - | - | - | 9 | 125 | 500 |
Key; L = drug sensitive local strain, MDRS = multiple drug resistant local strain, Std. = standard strain, C6H14 = hexane, CH2Cl2= dichloromethane, EtoAc = ethyl acetate and MeOH = methanol