Table 2.
Antimicrobial activity of T. brownii stem wood extracts
| Extracts/drugs | Organisms tested | ||||||||||
| S. aureus | P. mirabilis | S. typhi | E. coli | P. aeruginosa | B. anthracis | B. cereus | K. pneumoniae | C. albicans | C. neoformans | ||
| PE | IZ | - | - | - | - | - | - | - | - | - | - |
| AI | - | - | - | - | - | - | - | - | - | - | |
| DM | IZ | - | - | 3.7 ± 1.5 | 7.3 ± 0.6 | 4.3 ± 0.6 | 3.3 ± 0.6 | - | - | 3.0 ± 1.0 | - |
| AI | - | - | 0.34 | 0.46 | 0.29 | 0.21 | - | - | 0.19 | - | |
| DM:M (1:1) | IZ | 12.0 ± 0.0 | - | - | 8.3 ± 0.6 | - | 14.7 ± 0.6 | 8.0 ± 0.0 | - | 13.3 ± 0.6 | 8.3 ± 0.6 |
| AI | 0.80 | - | - | 0.54 | - | 0.92 | 0.63 | - | 0.83 | 0.73 | |
| M | IZ | 11.3 ± 0.6 | - | - | - | - | 15.5 ± 0.7 | 11.5 ± 0.7 | - | 14.3 ± 0.6 | 10.3 ± 0.6 |
| AI | 0.79 | - | - | - | - | 0.97 | 0.79 | - | 0.89 | 0.88 | |
| Aqua | IZ | 12.0 ± 1.0 | - | - | - | 9.3 ± 1.5 | 11.7 ± 1.5 | 7.0 ± 1.0 | 6.7 ± 2.1 | 12.3 ± 1.5 | 9.7 ± 1.1 |
| AI | 0.84 | - | - | - | 0.63 | 0.73 | 0.49 | 0.44 | 0.77 | 0.83 | |
| Gent | IZ | 14.3 ± 1.5 | 13.0 ± 1.0 | 11.3 ± 0.6 | 15.7 ± 0.6 | 14.7 ± 0.6 | 16.0 ± 1.0 | 14.3 ± 0.6 | 15.3 ± 1.1 | - | - |
| AI | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | - | - | |
| Clotr | IZ | - | - | - | - | - | - | - | - | 16.0 ± 1.0 | 11.7 ± 0.6 |
| AI | - | - | - | - | - | - | - | - | 1.00 | 1.00 | |
The results are presented as inhibition zone diameters in mm. Each value represents mean ± SD (n = 3). Key: PE = petroleum ether extract; DM = dicloromethane extract; 1:1 D:M = 1:1 dicloromethane:methanol extract; M = methanol extract; Aqua = aqueous extract; Gent = gentamicin; Clotr = Clotrimazole.