Special silver nanoparticles deposited on the inner side of the box will help to decontaminate the food. While the method works only with cardboard boxes, which keep the eggs. Innovation greatly increase their shelf life, says Zee News.
Coating consists not only of silver. In addition to it used gelatin and chitosan. Apply the composition can be created only on the cardboard molds. With the plastic method is not working.
It is sufficient to sprinkle the usual cardboard cells with nanoparticles to increase the shelf life of eggs from two to four weeks. Silver kills pathogenic bacteria and viruses, greatly reducing the chance of food poisoning.