Table 2.
Zones of inhibition and MIC values for T. alternifolia stem bark aqueous extracts against the test organisms
| Isolate |
Zone of inhibition (mm) |
Minimum inhibitory concentration (μg/ml) |
||||
|---|---|---|---|---|---|---|
| DAE | SAE | Ciprofloxacin (5 μg/disc) | DAE | SAE | Ciprofloxacin | |
| DMH 2 |
16 |
17 |
27 |
600 |
600 |
0.25 |
| DMH 3 |
16 |
16 |
11 |
700 |
650 |
2 |
| DMH 4 |
14 |
14 |
13 |
800 |
800 |
2 |
| DMH 5 |
18 |
19 |
15 |
600 |
600 |
1.5 |
| DMH 6 |
13 |
14 |
22 |
800 |
800 |
0.25 |
| DMH 7 |
15 |
15 |
21 |
700 |
650 |
0.25 |
| DMH 8 |
14 |
14 |
24 |
800 |
800 |
0.125 |
| DMH 10 |
15 |
15 |
20 |
700 |
650 |
0.25 |
| DMH 11 |
16 |
16 |
16 |
700 |
700 |
1.4 |
| DMH 12 |
17 |
17 |
13 |
600 |
600 |
2.5 |
| DMH 13 |
16 |
16 |
12 |
700 |
700 |
3 |
| DMH 14 |
14 |
14 |
11 |
800 |
800 |
2 |
| ATCC 6633 |
16 |
17 |
25 |
600 |
600 |
0.05 |
| ATCC6538P |
17 |
16 |
22 |
600 |
600 |
0.15 |
| ATCC12228 |
17 |
16 |
24 |
600 |
600 |
0.1 |
| ATCC 43300 | 17 | 17 | 22 | 600 | 600 | 0.15 |
Legend: All DMH isolates are Staphylococcus aureus among which DMH 3,10,12,14 are VRSA and all others except DMH2 are MRSA. ATCC 6633: Bacillus subtilis, ATCC 6538P: Staphylococcus aureus, ATCC 12228: Staphylococcus epidermidis, ATCC 43300: MRSA.