Retort pouch food is a kind of composite plastic film bag which can be heated. It has
the advantages of can container and boiling water-resistant plastic
bag, so it is also called "soft can". After more than ten years of
use, it is proved to be an ideal sales packaging container.
Structure and Material of Retort Bag
Retort bags are usually made of three-layer materials and the
representative structure of retort pouches for sale is: the outer layer is polyester film used to strengthen the
effect; the middle layer is aluminum foil used for preventing
light, moisture, and air leakage; the inner layer is polyolefin
film (such as polypropylene film) used for heat sealing and
contacting food.
Advantages and Disadvantages of Retort Bag
In food packaging, aluminium retort pouches have many unique advantages compared with metal cans and frozen
food packaging bags.
lKeep the color, fragrance, taste, and shape of food.
lEasy to use. The retort bag can be easily opened and you only need
to put the food together with the retort pouch bag into boiling water and heat it for 5 minutes.
lConvenient storage and transportation. The retort bag is light in
weight, so it can be stacked and stored in small space. The space
of retort pouch pack is smaller than that of metal can, so it can make full use of
storage and transportation space and save storage and
transportation cost.
lSave energy. The energy consumption of the retort bag is 30-40%
less than that of the iron can.
lEasy to sell. The retort bag with nozzle can be divided or combined with different foods according to the
market demand, so that customers can choose at will.
lLong storage time. The food packed in retort pouch zip bags does not need to be refrigerated or frozen, whose shelf life is
stable, so it is convenient for sale or family use.
lLow manufacturing cost. The price of composite film for retort food bags is lower than that of metal plate,whose production process and
equipment are very simple.
Sterilization Safety of Cooked Bagged Food
lWhen applying for food registration, the enterprise must present
the scientific basis for the sufficiency of heating sterilization,
which require that the investigation data of temperature
distribution on the sterilizer used, the heat transfer test, and
the measured data be submitted as attachments.
lThe purpose of the temperature distribution investigation is to
confirm the uniformity of the temperature distribution of the food
placed in the sterilizer. It is composed of two parts: the specific
test for the area with the slowest temperature rise in the
sterilizer and the specific test for the part with the lowest
temperature (low temperature point) in the area.
lThe heat transfer test can prove the effect under the designed
sterilization conditions by measuring the temperature change of
food placed at a specific low temperature point. Even in the worst
condition position, it can get sufficient heating sterilization
effect.
We hope to introduce an effective weapon to improve the safety
management of retort packing bag, that is, the critical control point of hazard analysis (HACCP
system). This system can be used to check the important management
points that need to be controlled to effectively reduce the great
harm of the food to human health. If deviation from the management
point is found, the product must be isolated, reprocessed, or
discarded according to the pre-defined method.
YANTAI BAGEASE PACKAGING PRODUCTS CO.,LTD.
CUSTOM PACKAGING PRODUCTS MADE TO YOUR EXACT SPECS.
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