Table 2. The antibacterial activity of AgNPs-CsEO1)

No. Microorganisms Diameter of the inhibitory zones of gentamicin (mm) Diameter of the inhibitory zones of AgNPs-CsEO (mm)
Gram-negative
1 E. coli 24.98±0.492)Bb3) 16.47±0.42Ba
2 S. enteritidis 31.78±0.95Db 19.13±0.19Ca
Gram-positive
3 S. aureus 20.12±0.93Aa 9.75±0.75Ab
4 B. cereus 26.05±1.74Cb 16.80±0.44Ba
AgNPs-CsEO, biosynthesized silver nanoparticles from orange essential oil.
All values are mean±SD (n=3).
Within a row (a,b) or a column (A-D), different letters indicate significant differences (p<0.05) between samples or microorganisms, respectively, as determined by the LSD test.