Table 3.
Antibacterial activity of P. granatum samples on Gram-negative bacteria.
| Sample | Diameter of the Inhibition Zone (mm) | |||||
|---|---|---|---|---|---|---|
| E. coli | P. aeruginosa | P. fluorescens | ||||
| 106 CFU/mL | 107 CFU/mL | 106 CFU/mL | 107 CFU/mL | 106 CFU/mL | 107 CFU/mL | |
| EtOH peel extract | 18 ± 2 | 16 ± 0 | 15 ± 1 | 14 ± 2 | 21 ± 1 | 20 ± 1 |
| EtOH lyophilized peel extract | 17 ± 1 | 16 ± 1 | 15 ± 1 | 13 ± 1 | 23 ± 2 | 20 ± 1 |
| H2O peel extract | 17 ± 1 | 13 ± 2 | 16 ± 2 | 14 ± 0 | 20 ± 0 | 19 ± 1 |
| H2O lyophilized peel extract | 18 ± 1 | 17 ± 1 | 16 ± 1 | 12 ± 0 | 21 ± 2 | 20 ± 1 |
| EtOH seed extract | 11 ± 0 | / | / | / | 13 ± 1 | / |
| EtOH lyophilized seed extract | 17 ± 1 | 13 ± 0 | / | / | / | / |
| H2O seed extract | 12 ± 2 | / | / | / | 24 ± 2 | 22 ± 1 |
| H2O lyophilized seed extract | / | / | / | / | 12 ± 1 | / |
| Fresh juice | 10 ± 1 | / | / | / | 12 ± 1 | 11 ± 0 |
| Lyophilized juice | 14 ± 1 | / | 16 ± 0 | / | 15 ± 1 | 11 ± 2 |
Data expressed as mean ± standard deviation of three replicates.