- With the development of food packaging technology, this has become possible extend the shelf life of food.
This caused a reducing food waste and hunger in the world, which currently affects more than 440 million people, of which 250 million are already on the verge of starvation.
In order to extend the shelf life of food, various technologies have been applied, including add or increase the packaging barrier. This can be done in different ways for packaging made of paper, cardboard, corrugated cardboard, steel, glass and flexible or rigid plastic.
These barriers can be incorporated by direct application, inside or outside the packaging of any material.
Additives and masterbatch (pigments for packaging) can be included in the prepared mass when it comes to plastic or cellulose packaging.
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Antibacterial packaging extends the shelf life of food
Active packaging aims to improve food safetypreserve the quality of packaged food and extend its shelf life.
Depending on the spoilage mechanisms of the food being packaged, different active packaging strategies can be used.
The concept of active packaging is based on incorporation of antimicrobial active substances on the container itself in the form of a functional coating, which achieves a controlled release of active compounds from the container wall to the surface of the food.
This process could give the advantage that preservatives are limited to the surface of the food, compared to the traditional method of direct addition to food.
Depending on the purpose of active packaging, if the goal is to contribute increase the shelf life or prevent the development of microorganisms pathogens that can threaten food safety, some methods are used.
Bad smart packagingIn addition to protecting food, they monitor its preservation and quality, avoid waste and ensure food safety for consumers.
Assunta Napolitano Camilo, director at INSTITUTE FOR PACKAGING, explained that they can be equipped with sensors to control the temperature of product storage; That is, it is possible to know whether the food was exposed to inadequate storage conditions.
Packaging is essential to guarantee the integrity of food in all logistical stages until it reaches the final consumer. It is also responsible for promoting a better consumer experience, offering convenience and ease of use, while communicating legal information, in the case of food, drink and medicine,” Napolitano concluded.
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