Green Synthesis of Silver Nanoparticles Incorporated Aromatherapies Utilized for Their Antioxidant and Antimicrobial Activities against Some Clinical Bacterial Isolates

Table 3

Antibacterial activity of clinical strains of AgNPs extracts compared to aqueous extracts alone and standard antimicrobial drugs, shown as inhibition zone in mm ± SD at concentration 1 mg/mL.

Tested compound	Mean zone of inhibition of clinical isolates (mm)
	S. aureus	A. baumannii	K. pneumonia	E. coli	P. mirabilis
T. vulgaris	—	—	—	—	—
T. vulgaris AgNPs	8.5 ± 0.7	—	—	—	—
M. piperita	—	—	—	—	—
M. piperita AgNPs	12.5 ± 0.7	8.0 ± 0.0	10.0 ± 0.0	9.0 ± 0.0	—
Z. officinalis	—	—	—	—	—
Z. officinalis AgNPs	10.0 ± 0.0	—	7.2 ± 0.3	8.2 ± 0.3	—

Staphylococcus aureus, Acinetobacter baumannii, Klebsiella pneumonia, Escherichia coli, and Proteus mirabilis; (—) = 6.0 mm well diameter (no activity), mean of three replicates ± SD.