Table 1.

Antibacterial characteristics of Au NPs.

microorganism	Test extracts	MIC (μg/mL)	MBC (μg/mL)	ZOI chloramphenicol and tetracycline (mg/mL)
Escherichia coli	Ok Au NPs	10.75	22.01	0.35
	Ch Au NPs	9.57	19.35	0.35
Klebsiella pneumoniae	Ok Au NPs Ch Au NPs	13.80 10.58	21.75 20.50	0.35
Staphylococcus aureus	Ok Au NPs	10.83	21.65	0.35
	Ch Au NPs	10.21	20.25	0.35
Bacillus subtilis	Ok Au NPs	9.90	19.80	0.35
	Ch Au NPs	8.95	17.45	0.35