Search results
Results from the WOW.Com Content Network
No further freeze drying information was documented until Tival in 1927 and Elser in 1934 had patented freeze drying systems with improvements to freezing and condenser steps. [ 9 ] A significant turning point for freeze drying occurred during World War II when blood plasma and penicillin were needed to treat the wounded in the field.
Spray drying is preferred to freeze-drying in some cases because it allows larger scale economic production, shorter drying times, and because it produces fine rounded particles. The process produces spherical particles about 300 micrometres (0.012 in) in size with a density of 0.22 g/cm 3. [20] To achieve this, nozzle atomization is used.
Flattened fish drying in the Sun in Madagascar. Fish are preserved through such traditional methods as drying, smoking, and salting. [1] A whole potato, sliced pieces (right), and dried sliced pieces (left), 1943. Food drying is a method of food preservation in which food is dried (dehydrated or desiccated).
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.
In planning for the long-duration Apollo missions, NASA conducted extensive research into space food. One of the techniques developed in 1938 by Nestlé was freeze drying. In the United States, Action Products later commercialized this technique for other foods, concentrating on snack food resulting in products like Space ice cream. The foods ...
Freeze-dried apples have been around for a while, and we are big fans of freeze-dried berries; now, the code has been cracked on freeze-drying less common fruits such as rambutan and mangosteen ...
Freeze-drying – the Andean civilizations learned to freeze dry potatoes and other food items, so that the resultant dehydrated powder could be stored for years and then later transported across vast distances to feed countless peoples.
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!