Description
Dehydrating and freeze-drying are food preservation techniques that involve the removal of water from food to prevent spoilage and foodborne illness.
Technical
Dehydration involves the removal of water from food through evaporation, while freeze-drying involves the removal of water from food by freezing the water and then reducing the surrounding pressure to allow the frozen water to sublimate (change directly from a solid to a gas).
Science
Primary Reaction
evaporation|sublimation
Sensory Profile
Aroma ()
dryconcentratedearthynuttycaramelized
Wine Analogy
Like Amarone wine's concentrated dried fruit character
Coffee Analogy
Similar to freeze-dried instant coffee's preserved volatile aromatics
Perfume Analogy