Freeze-drying, also known as lyophilization, is a method of preserving food by removing the moisture content through a process of freezing and sublimation. The process was developed in the early 20th century and has been used to preserve a wide range of foods, including fruits, vegetables, meats, and dairy products. One of the earliest recorded uses of freeze-drying was during World War II, when the process was used to preserve blood plasma for the military. In the 1950s, freeze-drying was used to preserve food for NASA’s space program, as the process allowed for the production of lightweight, shelf-stable foods that could withstand the rigors of space travel. In the decades since, freeze-drying has been used to preserve a wide range of foods, including fruits, vegetables, meats, and dairy products. Today, freeze-dried food is widely available and is often used as a convenient and nutrient-rich option for people and pets on the go. Freeze-dried food has several potential benefits for dogs: Convenience: Freeze-dried food is lightweight and easy to store, making it a convenient option for travel or for people who don’t have a lot of space for storing dog food. Nutritional value: Freeze-drying preserves the nutritional value of the […] read more