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

Table 2

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

Bacterial species	Zone of inhibition (mm)			Positive control
	Z-ZnO NPs
	5 mg/mL	10 mg/mL	15 mg/mL
P. putida	6 ± 0.82	6.4 ± 0.48	7.7 ± 0.78	9 ± 0.00
S. aureus	10 ± 0.82	14.4 ± 0.47	16.4 ± 0.47	19 ± 1.63
P. pyogenes	5 ± 2.16	6 ± 0.57	10 ± 0.82	14.7 ± 0.94
E. coli	2 ± 0.00	2.7 ± 0.78	4 ± 1.00	9 ± 0.00