Nanomaterials and their role in food security [6-9].

Table 1Nanomaterials and their role in food security [6-9].

Nanomaterials	Role in Food Security
ZnO NPs	Antifungal, antibacterial protection in food packaging, fertilizer and seed treatment.
TiO₂ NPs	Antimicrobial activity and UV blocking.
Si NPs	Improve nutrients delivery, absorption and fertility of soil.
Fe₂O₃ NPs	Optimize the precision of nutrients delivery.
CuO NPs	Improve harvest and protect from fungal diseases on crops.
Ag NPs	Antimicrobial activity and reduce risk of contamination of food packaged.
CNTs	Sensor to monitor soil condition and detect contaminants.
Graphene (C_n)	High quality of sensors to monitor food safety from contaminants.
QDs	Sensor to monitor real-time the condition of crop with high precision.