Table 1. Testing antimicrobial and antifungal activity of oils obtained from Pelargonium roseum in comparison with reference antibacterial substances.
| Tested strains | Inhibition zones for volatile oils (mm) | Inhibition zones for antibacterial substances (mm) | ||||||||||||
| S1 | S2 | S3 | S4 | S5 | S6 | S7 | AMK | AMP | CFL | CFT | CIP | CTR | GEN | |
| Escherichia coli | 15 | 10 | 11 | 14 | 15 | 11 | 11 | 16 | 23 | 16 | 36 | 28 | 25 | 17 |
| Proteus mirabilis | 13 | 12 | 17 | 11 | 13 | 10 | 16 | 20 | 35 | 38 | 35 | 35 | 28 | 20 |
| Pseudomonas aeruginosa | 31 | 28 | 26 | 22 | 26 | 20 | 20 | 21 | 11 | 10 | 24 | 30 | 11 | 19 |
| Enterococcus faecalis | 13 | 16 | 11 | 22 | 18 | 12 | 15 | 16 | 30 | 26 | 37 | 22 | 25 | 17 |
| Staphylococcus aureus | 31 | 22 | 25 | 21 | 28 | 21 | 25 | 22 | 29 | 38 | 35 | 25 | 28 | 22 |
| Candida albicans | all | all | all | all | all | all | all | - | - | - | - | - | - | - |