With the continuous development of society, people's living standards improve, speed up the pace of life, reduce the kitchen work become people's needs, and frozen food with its convenient, delicious, variety favored by people, in frozen
food packaging is especially popular.
At present, the main frozen foods on the market is divided into four categories: 1, aquatic frozen food;
2, fruits and vegetables frozen food, such as bamboo shoots, edamame, etc;
3, livestock and quick-frozen food, such as pork, chicken, etc. ;
4, type of quick-frozen food, such as pasta dumplings, dumplings, steamed buns, hot pot fish dumplings, fish balls, meat balls, wrapped Fried chicken, squid row, dishes and cooking food, etc.
And now, the frozen food security problem is becoming more and more get the attention of the people.
Main aspects affecting the safety of frozen food are: one is the quality of processed food raw materials of fresh;
The second is whether the process is polluted;
Three packaging quality is good or bad, whether to break the bag pollution;
Four is whether the entire cold chain.
Packaging is an important part of frozen food is related to food safety, corporate reputation and benefits.
The new food safety law on food packaging safety special terms, such as legal responsibility in chapter 9, article one hundred and twelve of the give punishment to the violations against this law cases, shall be investigated for criminal responsibility according to law, including: the production and business operation by packaging materials, containers, transport and other pollution of food;
Procurement, food producers and traders use does not meet the food safety standards of food ingredients, food additives, food related products.
To this, frozen food, packaging enterprises should be very good learning, in order to ensure food safety.
So, frozen food packaging should be pay attention to?
For frozen food packaging should be paid attention to where there are seven aspects: the packaging standards and regulations;
The second is the characteristics of frozen food and its protection condition;
The performance of the three, packaging materials and the applicable scope;
Four is a food market positioning and circulation area;
。
Five is an integral structure and material of frozen food packaging;
Six is the reasonable structure of packaging design and decoration design;
Seven is packaging testing.
Frozen food packaging to meet the requirements of the large circulation from the production, transportation to sales, keep frozen product quality characteristics, to prevent contamination of bacteria and harmful substances.
Frozen dumplings, for example, many consumers to resist some brand after a consumer behavior no longer buy, its a lot of reason is a poor packaging materials dumplings moisture loss, lipid oxidation and air drying, yellowing, cracking, hardcover, such as clams taste quality problem.
Good frozen food packaging must have a five features: one is to have a high barrier property, to prevent contact with oxygen and moisture volatilizes product;
Second, the impact resistance and puncture resistance;
Third, low temperature resistant, even in - packaging materials
45 ℃ low temperature circumstances not deformation, not brittle.
Four is the oil resistance;
Five is health, prevent pervades migration of poisonous and harmful substances in food.
At present, the frozen food used in the field of plastic soft packing is mainly divided into two categories: one is composite packaging, it is the two layers of plastic film together with adhesive, and adhesive is containing ester, benzene and other harmful substances, it is easy to infiltrate the food contamination.
Second is the international advanced multi-layer co-extrusion high barrier packaging.
It is to use green environmental protection packaging materials production, five, seven, nine layers, it does not use glue but use more than 3 units of extruder, the resin raw materials of different functions such as PA, PE, PP, PET, EVOH, respectively, such as melt extrusion together, with no pollution, high separation, high intensity, flexible structure and so on, it makes the food packaging and packaging materials production process to achieve no pollution.
Like seven layers co-extrusion high barrier packaging is composed of two layers above the nylon, make packaging tensile and tear strength greatly improved, resistant to -
45 ℃ low temperature and 120 ℃ high temperature, vacuum degree can reach 100%, not easily damaged frost crack, high and low temperature resistant, resistant to storage and transportation, easy storage, can effectively avoid the water erosion, oxidation and food prevent microbes breeding, so as to extend the shelf life of frozen food.
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