Plant-Mediated Synthesis of Mono- and Bimetallic (Au–Ag) Nanoparticles: Future Prospects for Food Quality and Safety

Table 2

Applications of nanomaterials in food packaging and food-quality sensing.

Nanomaterials	Nanocomposites/package materials	Function	Food tested	Application	References
AgNPs	Cellulose films with amino terminated hyperbranched polyamic	Antibacterial, antioxidant	Cherry and tomatoes	Food packaging	[140]
AuNPs	Gelatin	Color change TTI	Cherry and tomatoes	–	[141]
Au/Ag NRs	Agar hydrogel	Color change TTI	Cherry and tomatoes	–	[142]
AgNPs	AgNPs-cellulose	–	–	Antimicrobial food packaging	[143]
AgNPs	AgNPs-polyurethane	S. aureus and E. coli	Lettuce	Fruit preservation	[144]
AgNPs	AgNPs-pullulan	L. monocytogenes and S. aureus	Poultry products and meat	Packaging material	[145]
AgNPs	AgNPs-LDPE	Aerobic bacteria	Barberry	Preserves freshness of food during extended storage	[146]
AgNPs	AgNPs-cellulose	Psychotropic bacteria, aerobic bacteria, yeasts, and and molds	Freshly-cut melon	Antimicrobial food packaging	[101]
AgNPs	AgNPs-polyvinyl chloride	–	Wheat bread and red grapes	–	[102]
AuNPs	AuNPs-based alginate plasmonic THI	Irreversible change in color that indicate variation in temperature	Perishable foods	Tunable nanosensor	[7]
AgNPs	AgNPs/GNRs-based electrochemical sensor	Detection of methyl parathion	Fruits and vegetables	Nanosensor	[147]
AuNPs	AuNPs-based glassy electrode	Check of the freshness of food sample	Canned tuna	Nanosensors for xanthine and hypoxanthine	[148]
AuNPs	–	Pathogens (E. coli and salmonella spp.)	Cucumber and hamburger extracts	Optical sensor	[149]
AuNPs	AuNPs loaded on MWCNT	Toxins (Bisphenol A)	Soft drinks	Electrochemical sensor	[99]
Au@Ag NRs	–	Hydrogen peroxide (H2O2)	Chicken claw	Colorimetric sensor	[150]
Au−Ag alloy NRs	Dual enzyme-induced Au−Ag alloy nanorods	Determination of Staphylococcus aureus	Milk	Colorimetric sensor	[151]
Au@Ag NPs	Double strand DNA binding bimetallic Au@Ag NPs	Detection for veterinary antibiotics (kanamycin)	Milk	Optical sensor	[106]
Au@Ag NRs	–	Detection for benzoyl peroxide	Milk	Colorimetric sensor	[107]

NRs, nanorods; MWCNT, multiwalled carbon nanotubes.