Cutlery which could be Self-cleaned. This could be made possible by the engineering, at atomic level of hydrophobic surfaces that allow dirt to break down and drop off
Nano-coatings on some foods so as to make life span of them even longer.
Researchers are trying to make a type of packaging that absorbs oxygen, making food last longer.
Nano-filters are in development will would allow us to choose the amount of caffeine we want to remove from our coffee.
Nano-scale sensors are also in process that will monitor toxins and bacteria at all stages of food processing
Reductions in fats and salts in processed foods.