Table 2.

Use of silver nanoparticles in food packaging biomaterials. It has been demonstrated that bionanocomposite materials can help prevent the development of common foodborne pathogens such as S. aureus, E. coli, S. typhimurium, and L. monocytogenes at low concentrations.

Polymer Used	Size of AgNPs (nm)	Concentration	Food Tested	Strain Tested	Bactericidal Rate (%)	Ref.
Chitosan	8.05	1% w/v	Data not reported or not investigated	S. aureus	20.5%	[5]
				E. coli	23.7%
Polylactic acid	4.5	1% wt/wt	Strawberries	S. aureus	97.04%	[32]
				E. coli	95.85%
	2.7	1% wt/wt AgNPs	Fresh apple and apple juice	L. monocytogenes	100%	[33]
				S. typhymurium	100%
Alginate	20	0.8%	Strawberries	S. aureus	91.26%	[34]
				E. coli	92.01%