Research Article

Green Fabrication of Silver Nanoparticles by Gum Tragacanth (Astragalus gummifer): A Dual Functional Reductant and Stabilizer

Table 2

Inhibition zones (mm) observed with different bacterial culture plates loaded with silver nanoparticles and the antibiotic erythromycin.

Test compound (μg)S. aureus 25923E. coli 25922E. coli 35218P. aeruginosa 27853

Silver nanoparticles (5) 1 1 . 5 ± 0 . 0 9 . 5 ± 0 . 4 5 . 5 ± 0 . 0 1 0 . 5 ± 0 . 0
Erythromycin (15) 2 3 . 5 ± 1 . 0 7 . 0 ± 1 . 1 9 . 0 ± 1 . 1 1 1 . 0 ± 1 . 1