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The variety of food options continued to expand for the Apollo missions, as the new availability of hot water made rehydrating freeze-dried foods simpler and produced a more appetizing result. This was an important aspect during the Apollo missions, since astronauts would be spending longer amounts of time in space.
Freeze-dried ice cream. Freeze-dried foods became a major component of astronaut and military rations. What began for astronaut crews as tubed meals and freeze-dried snacks that were difficult to rehydrate, [13] were transformed into hot meals in space by improving the process of rehydrating freeze-dried meals with water. [13]
A freeze-dried Ice cream sandwich in a bag. Freeze-dried Neapolitan ice cream, shown with air-tight foil partially unwrapped. 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 ...
Well-known products that NASA claims as spin-offs include memory foam (originally named temper foam), freeze-dried food, firefighting equipment, emergency "space blankets", DustBusters, cochlear implants, LZR Racer swimsuits, and CMOS image sensors. As of 2016, NASA has published over 2,000 other spin-offs in the fields of computer technology ...
In addition to maintaining a shelf-life and reducing total mass, the ability to grow food in space would help reduce the vitamin gap in astronaut's diets and provide fresh food with improved taste and texture. Currently, much of the food supplied to astronauts is heat treated or freeze dried. Both of these methods, for the most part, retain the ...
Examples of hurdles in a food system are high temperature during processing, low temperature during storage, increasing the acidity, lowering the water activity or redox potential, and the presence of preservatives or biopreservatives. According to the type of pathogens and how risky they are, the intensity of the hurdles can be adjusted ...
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