There is a wide variety of flexible containers for food products on the market. There are different models and sizes, ranging from 33 ml to 1.5 liters.
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As mentioned above, these containers have three seals, two longitudinal seals on the sides and one on the top. And they are made with:
- Two layers of plastic film:
- One layer of polypropylene (PP) which is a thermoplastic polymer suitable for pasteurizing, sterilizing, modified atmosphere packaging (MAP), blast chilling, freezing, etc.
- And another layer of thermoplastic polyester, usually polyethylene terephthalate (PET).
- A metal foil, usually made of aluminum.
You have probably seen, either on the shelves or in the refrigerators of your local stores, that more and more brands are using this type of heat-sealable bags. Some of the foods we usually find are:
- Salad dressings
- Infant food
- Pet food
- Fruit in small pieces
- Olives
- Ready-to-eat prepared dishes, such as pasta with sauce, meatballs in sauce, creams, etc.
- Stir-fries and sauces
- Soups
- Eggs or liquid egg yolks
Many of the products we find packaged in pouches tend to be sterilized, although this is not a general rule.
Remember that a container does not determine the heat treatment to be applied; what does is the food and the objective of the person who prepares it.
Although there are products that can be found at room temperature and have a shelf life of up to 5 years, there are others that are kept in refrigerators and have a shorter shelf life. This is because they are canned food or ready-made meals that have been pasteurized.
Before turning our attention to pasteurization or sterilization of gourmet canned food or ready-made meals, we believe it is appropriate to talk about the previous steps as well as the processing of food.
Just as you prepare the ingredients for your recipe when cooking, you should do the same with your containers. It is important to make sure that you have enough pouches and that all of them are in perfect condition.
Do you have enough containers? Are they intact? Without any deformation or breakage? Are they completely clean? Do the spouts close tightly? Great, now you can start preparing your product.
Contact us to discuss your requirements of OPP bag for storing canned fruits. Our experienced sales team can help you identify the options that best suit your needs.
You may notice that the smell, color, texture or flavor of your food has changed a little during cooking and you are afraid that it will change even more when you pasteurize or sterilize it, but you can always take certain measures beforehand. Here are some tips to avoid organoleptic changes in your gourmet preserves and/or ready-made meals.
We remind you not to cook your product completely, as it will finish its cooking process inside the autoclave during the heat treatment.
Now it is time to package the food in your doypacks. This step will depend on the container you have purchased. Generally, when packaging food products, this type of bag is usually purchased already sealed on the sides, but not on the top, so that the product can be added from above.
After this step, they are sealed with a thermosealing machine and placed in an autoclave to pasteurize or sterilize them. Once the cycle is finished, they can be stored or prepared for transport. This type of container does not need labeling because it has been previously screen-printed with your brand image.
At TERRA Food-Tech® we help you to analyze the productivity level that you will obtain with each model and type of container.
The information obtained in these studies will be very useful when deciding which model of autoclave is the most suitable for your project.
The specific productivity study is also very useful after the acquisition of an autoclave, since it allows us to know the fluctuation of the production capacity if we change the size of the container.
In addition, we create customized stands and racks based on the needs of your business.
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