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Table 2 Antibacterial activity of biosynthesized AgNPs

From: Green synthesis of silver nanoparticles using Omani pomegranate peel extract and two polyphenolic natural products: characterization and comparison of their antioxidant, antibacterial, and cytotoxic activities

Sample Concentration Zone of inhibition (mm)
S. aureus B. subtilis E. coli P. vulgaris
Q-AgNPs 100 μg 11.7 14 12.4 -
20μg - - - -
10μg - - - -
P-AgNPs 100 μg 15 15.2 15.2 14.7
20μg 14.2 14 13.2 -
10μg - 13.2 12.6 -
GA-AgNPs 100 μg 15.2 14.7 17.7 14.7
20μg - 13.9 - -
10μg - - - -
AgNO3 2mM 20 20 19 13.2
Quercetin 1mM 12.2 15 - -
Gallic Acid 1mM - - - -
PPE 2.1% w/v 23 22 21.8 17.8
Gentamicin 10 μg 24.4 35 24.9 24.3
Cefuroxime 30 μg 19.3 - 12.2 19.3