Freeze drying is a hot new way to preserve food! Wondered how astronauts eat in space? Their food is yummy even in a weightless environment, thanks to freeze dryer! Let’s find out about this awesome process and how it helps keep food fresh for a prolonged period.
Freeze drying is a way to preserve food by eliminating all moisture from it. This process is sublimation, in which ice changes straight into water vapor without first becoming liquid. By dehydrating food, it can last much longer than if you were to just toss it in the fridge. This is significant because bacteria and molds require water to multiply. No water, they can’t ruin the food!
Freeze-drying isn’t only for food. It also has many other valuable uses! For example, scientists use freezedryers to preserve samples of cells and tissues for research. This enables them to study diseases and discover cures. And freeze drying is how we make medicines that can be stored and transported without spoiling. It’s an incredible amount for one process to accomplish!
Perishable items are things that go rotten fast, such as fruits, vegetables and meats. By freeze drying all these foods, we can make all these foods last for a very long time, and you don't compromise taste or nutrients. And that means we can still dabble in all our earthly delights - seasonally out of season! So the next time you find freeze-dried strawberries or a bag of beef jerky at the store, you’ll know how the thing stays viable for so long.
Freeze drying is more environmentally friendly than many other methods of preserving food, like canning or freezing. It takes less energy, and it makes less waste. We can all make a difference simply by reducing the scale of the food deserts around us and the food deserts we can touch in other locations. Non-GMO Freeze Dried Food So, not only is it easy to choose freeze-dried food, but we can limit our impact on the earth by doing so.
Freeze drying could revolutionize medical and science fields. Using this approach, vaccines and medicines might be maintained for longer without going bad. This is especially vital in remote areas where it is difficult to obtain medical supplies. And researchers can preserve samples of plants and animals. This is how they learn about our world and our place in it.
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