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The primary purpose of freeze drying within the food industry is to extend the shelf-life of the food while maintaining the quality. [1] Freeze-drying is known to result in the highest quality of foods of all drying techniques because structural integrity is maintained along with preservation of flavors. [1]
Food drying is a method of food preservation in which food is dried (dehydrated or desiccated). Drying inhibits the growth of bacteria , yeasts , and mold through the removal of water . Dehydration has been used widely for this purpose since ancient times; the earliest known practice is 12,000 B.C. by inhabitants of the modern Asian and Middle ...
The food is in individual pieces, and is frozen quickly. Products commonly frozen with IQF technologies are typically smaller pieces of food, and can include berries, fruits and vegetables both diced or sliced, seafood such as shrimp and small fish, meat, poultry, pasta, cheese and grains. [1]
Freeze drying can produce healthy snacks with fruits and vegetables, as well as reduce food waste.
A good solar food dryer may dry food much faster than some air dryers. Some solar driers can achieve higher food drying temperatures than some air driers. However, direct sun drying can chemically alter some foods, making them less appetizing. [5] Food drying primarily requires heat, and solar radiation can easily be converted to heat.
Various dried foods in a dried foods store An electric food dehydrator with mango and papaya slices being dried. This is a list of dried foods.Food drying is a method of food preservation that works by removing water from the food, which inhibits the growth of bacteria and has been practiced worldwide since ancient times to preserve food.
Dried fruit is widely used by the confectionery, baking, and sweets industries. Food manufacturing plants use dried fruits in various sauces, soups, marinades, garnishes, puddings, and food for infants and children. As ingredients in prepared food, dried fruit juices, purées, and pastes impart sensory and functional characteristics to recipes:
For example, lycopene, which is an antioxidant, is found in several fruits and vegetables that have red-toned flesh or skin. Does microwaving kill nutrients in your food? Here's the truth about nuking