value like the introduction of smart and inteligent molecules(which is the nanotechnology why doe feld able to give information about the properties of the food inside the package(quality, a. shelf life. microbiologcal safety and nutritional values. It is necessary to make researches on this kind of materst to enhance barrer properties, to ensure food properties Integrity, to incorporate intclugent labeling, to give to the consumer the possibuy to have more that is detailed product hormaten than the current system. that