Freeze-dried food is the abbreviation of vacuum freeze-dried food, also called FD food. Due to the special treatment process of freeze-drying, the color, aroma, nutrients, appearance, and shape of the original fresh food can be maintained to the maximum extent.
How long does freeze-dried food last? Will it expire?
Freeze-dried products can be kept at room temperature for more than 5 years without preservatives, and with good sealing conditions, the shelf life can be up to 20 to 30 years.
The freeze-dried foods available in the market are mainly various freeze-dried vegetables, meat products, flour cereals, and other ready-to-eat foods, such as rice, beans, broccoli, bananas, chicken, etc. They can be consumed by just bubbling hot water, which is convenient and tasty.
Most of these freeze-dried foods have a shelf life of 25 years or more, and some can even be stored for 30 years.
Vacuum freeze-drying technology: In a vacuum environment, the technology of sublimation in which the water in the ice state of frozen items is directly changed from ice state to gas state without melting into water is the vacuum freeze-drying technology.
Advantages of freeze-dried food.
Freeze-dried dehydrated food is dehydrated at a very low temperature, the loss of nutrients and flavor of the food is very little, the original nutrition and flavor can be retained to the maximum, the rehydration is excellent, the recovery can be completed within a few seconds to a few minutes, its color, aroma, taste, shape and fresh products are basically or the same, dehydration is complete, lightweight, easy to eat, easy to carry, easy to preserve.
Features and applications of vacuum freeze-dried products.
Vacuum freeze-dried dehydrated food is referred to as “freeze-dried food”, which is the most advanced technology in the world for preserving food – vacuum freeze-drying technology to freeze the water in fresh food (vegetables, meat, seafood, mushrooms, etc.) into ice and dry it under vacuum with heat sublimation to make dehydrated food.
Since the freeze-drying process is carried out under a low-temperature vacuum, freeze-dried dehydrated food has the following advantages that other drying methods cannot be compared.
1. It can maintain the color, aroma, taste, and nutrients of the original fresh food to the maximum extent
2. Can maintain the appearance and shape of fresh food
3. Excellent rehydration can be restored to a state close to fresh food in a very short time
4. Natural and hygienic food without any additives
5. Good preservation, can be stored at room temperature for more than a year, without refrigeration
6. Good weight of finished products, easy to transport