| Bacterial strain | Mean Zone of inhibition (mm) ± SD | ||
| D. cinera Extract | Susceptibility (S/R) | Antibiotics (+ve control) | |
| S. aureus ATCC 25923 | 21 ± 1.00 | S | Vancomycin 30 mcg 23.30 ± 1.52 |
| E. coli ATCC 25922 | 30.66 ± 2.51 | S | Ceftriaxone 30 mcg 33.60 ± 1.15 |
| P. aeruginosa ATCC 27853 | 29 ± 2.00 | S | Meropenem 10 mcg 30.66 ± 2.51 |