Table 4.
Inhibition of growth on bioautographic TLC plates by 24 extracts of 7 South African tree leaves against P. aeruginosa
| Plant | Solvent system |
Extracts | Rf values | Active bands | Total |
| L. alata | EMW | Acetone | 0.89 | 1 | 1 |
| Hexane | 0.90 | 1 | |||
| P. longifolia | CEF | Acetone | 0.90 | 1 | 3 |
| DCM | 0.90 | 1 | |||
| Hexane | 0.1 | 1 | |||
| BEA | DCM | 0.1 | 1 | ||
| Hexane | 0.67 | 1 | |||
| K. wilmsii | CEF | Acetone | 0.67 | 1 | 8 |
| DCM | 0.67 | 1 | |||
| Hexane | 0.85 | 1 | |||
| EMW | Acetone | 0.85 | 1 | ||
| DCM | 0.85 | 1 | |||
| O. natalitia | CEF | Methanol | 0.56 | 1 | 1 |
| BEA | DCM | 0.27 | 1 | ||
| K. anthotheca | Hexane | 0.93 | 1 | 3 | |
| CEF | Acetone | 0.42 | 1 | ||
| Hexane | 0.67 | 1 | |||
| C. vendae | CEF | Acetone | 0.54 | 1 | 3 |
| DCM | 0.45 | 1 |