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  2. Freeze drying - Wikipedia

    en.wikipedia.org/wiki/Freeze_drying

    Freeze drying. Freeze-dried strawberries. Freeze drying, also known as lyophilization or cryodesiccation, is a low temperature dehydration process [ 1] that involves freezing the product and lowering pressure, thereby removing the ice by sublimation. [ 2] This is in contrast to dehydration by most conventional methods that evaporate water using ...

  3. Food dehydrator - Wikipedia

    en.wikipedia.org/wiki/Food_dehydrator

    Food dehydrator. Tomato slices ready to be dried in a convection-type food dehydrator. In this model, multiple trays can be stacked on top of each other and warm air flows around the food. A food dehydrator is a device that removes moisture from food to aid in its preservation. Food drying is a method of preserving fruit, vegetables and meats ...

  4. Food preservation - Wikipedia

    en.wikipedia.org/wiki/Food_preservation

    Food preservation. A food scientist is preparing a meal for astronauts in space. Food preservation includes processes that make food more resistant to microorganism growth and slow the oxidation of fats. This slows down the decomposition and rancidification process. Food preservation may also include processes that inhibit visual deterioration ...

  5. Freeze-dried fruit can be a healthy snack, but keep 1 thing ...

    www.aol.com/news/freeze-dried-fruit-healthy...

    Freeze drying is particularly effective for retaining antioxidants and other phytonutrients present in the fruit, she adds. Even vitamins, like vitamin C, remain well preserved, Gentile says.

  6. Food drying - Wikipedia

    en.wikipedia.org/wiki/Food_drying

    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 Middle East and ...

  7. Freeze-dried ice cream - Wikipedia

    en.wikipedia.org/wiki/Freeze-dried_ice_cream

    A freeze-dried Ice cream sandwich in a bag. Freeze-dried ice cream, also called astronaut ice cream or space ice cream, is ice cream that has had most of the water removed from it by a freeze-drying process. Compared to regular ice cream, it can be kept at room temperature without melting, is dry and more brittle and rigid, but still soft when ...

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