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What are the requirements for food carton packaging design

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in addition to ensuring food safety, food carton packaging is also an important means to ensure the sensory quality of food, such as color, aroma and taste. In the modern developed commercial field, food carton packaging also plays an important role in food promotion. Therefore, as food packaging, it should at least meet the following requirements:
1. Strength requirements:
since food can reach consumers only after the packaging is completed through the circulation processes such as stacking, transportation and storage, it is required that the food carton packaging has a certain strength and will not be damaged in the circulation process
2. Barrier property requirements:
the barrier property requirements of food carton packaging are determined by the characteristics of the food itself, and different foods have different requirements for the barrier property of their packaging. On the one hand, the barrier of food carton packaging ensures that all kinds of bacteria, dust, light, gas and moisture in the external environment can not enter the food in the package. On the other hand, it ensures that the moisture, oil and aromatic components contained in the food do not penetrate outward, which is essential to food quality, so as to ensure that the packaged food does not deteriorate. Other foods require that packaging materials should be selective in blocking gas. For example, fruit and vegetable fresh-keeping packaging can selectively pass through O2 and CO2 by controlling the pore size of materials, so as to control the respiratory intensity of packaged foods and achieve the purpose of fruit and vegetable fresh-keeping
3. Safety and hygiene:
while the packaging materials of food have the necessary impermeability, they must ensure that the packaging materials themselves are safe, non-toxic and free from volatile substances, that is, the packaging materials themselves are required to have stable tissue components. In addition, during the implementation of the packaging process, substances and chemical components that react chemically with food components will not be produced. In the process of storage and transfer, there will be no chemical changes due to the changes of climate and normal environmental factors
4. Requirements for temperature resistance:
most food processing processes are subject to heat treatment. Some are processed at high temperature after packaging, such as canned food and small cooking food, some are hot filled, such as many hot poured beverages, and many foods have a long shelf life. If it reaches or exceeds one year, it is inevitable that this kind of food stored at room temperature will go through hot summer and must be above 300C continuously during storage, All these require food packaging to have certain temperature resistance. With the different food and processing technology, the requirements for temperature resistance are also different
5. Requirements for light protection:
light is very unfavorable to the maintenance of food quality and nutrition. In particular, ultraviolet radiation will oxidize the oil in food, lead to rancidity, oxidize the natural pigment in food and change the color of food, which will promote the loss of vitamin B and vitamin C in food. In addition, light will also cause physical and chemical changes such as amino acid decomposition and sugar melting, which are not conducive to the maintenance of food quality. Therefore, for good food carton packaging, light shielding is also very important
6. Safety requirements:
as food is a daily consumer product, it can reach consumers only through the circulation link, which requires that the food carton packaging should be suitable for placement, handling, display and convenient purchase, without edges and corners or burrs that hurt people, and try to have special hand-held equipment to facilitate purchase. It should also be considered that when opening the package, even if it is not operated correctly, it will not cause harm to consumers
7. Promotional requirements:
promotional is one of the important functions of food carton packaging. Promotional requirements food carton packaging materials should have the characteristics of easy printing, easy modeling, easy coloring, light weight and so on. In this regard, plastic undoubtedly has unique advantages
8. Convenience requirements:
convenient packaging is often an important reason for consumers to choose a certain food. The convenience of packaging includes the convenience of use, such as the packaging of condiments, and the convenience of form, such as the newly launched milk flakes (dry milk powder); Convenient places, such as travel and leisure food for outdoor consumption, which are required to have the characteristics of light weight, small volume and convenient opening; Requirements for convenient carrying, measurement, operation and selection.

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