Green Synthesis Method of ZnO Nanoparticles using Extracts of Zingiber officinale and Garlic Bulb (Allium sativum) and Their Synergetic Effect for Antibacterial Activities

Table 3

Antibacterial activities of ZnO NPs synthesized using mixture of garlic bulb and Z. officinale root extract (GZ) at different concentration and their corresponding zone of inhibition (mm).

Bacterial species	Zone of inhibition (mm)			Positive control
	GZ-ZnO NPs
	5 mg/mL	10 mg/mL	15 mg/mL
P. putida	24 ± 0.82	24.7 ± 0.94	28.67 ± 0.82	29 ± 1.63
S. aureus	9 ± 0.82	11 ± 0.82	15.67 ± 0.82	21.3 ± 1.24
P. pyogenes	7.4 ± 0.94	9 ± 0.82	10.67 ± 0.47	14.7 ± 0.47
E. coli	12.3 ± 1.7	13 ± 0.82	15.3 ± 0.94	17 ± 1.63