Freeze-drying, also called lyophilization, is a process where food is quickly frozen, and then the ice is turned into water vapor and removed by placing the frozen food in a vacuum, resulting in a dehydrated product. Freeze-drying food requires special equipment, so people do not usually do this at home, instead purchasing products from companies that specialize in this process.
Fruits, vegetables, pastas and even meats fare well after freeze-drying. Defrosting takes just minutes, requiring little more than a pot of hot water. This makes freeze-dried foods the perfect staple for campers and people on t...
Organic kosher freeze-dried foods must pass separate certification inspections to qualify as both kosher and organic. Such foods are often vegetarian due to the kosher restrictions on meats, and may also be vegan, which makes t...
You don't need any extra dishes beyond a spoon or fork to eat with and a pot to boil water in. You can also use pouches of freeze-dried food as long-lasting food stores in case of emergency. Freeze-dried foods are almost as nut...
Astronauts in space and soldiers in combat use freeze-dried foods because they don't spoil, they weigh less and they're more convenient. But freeze-dried foods aren't necessarily quite as healthful as regular foods, with the le...
When you're backpacking, your body needs protein, carbohydrates and other nutrients to sustain your energy levels -- especially if you're on a strenuous trail. The best foods for your trip don't just provide these critical nutr...
Freeze-dried foods are lightweight and easy to store in a handbag or backpack, making it convenient to eat healthy on the go. Freeze-drying involves removing 98 percent of the water and oxygen from foods to preserve them, accor...
People should eat at least two cups of fresh fruit each day, according to a 2008 article in "The New York Times." Dried fruit, such as dried apricots, can make it easier to meet these goals since it can be kept in the pantry fo...
According to the Mayo Clinic, hiking can burn between about 430 and 650 calories per hour. To finish the trip safely and enjoyably, you will need to replenish the calories you use. Freeze-dried foods can help you do this, but t...
Oftentimes deciding what foods to take camping can be one of the most time-consuming parts of planning the trip. You need to consider how long you will be gone, where you will be going and what external resources may be availab...
From fruits and vegetables to elaborate meals, packing freeze-dried and dehydrated foods can reduce your food weight by 60 to 90 percent, while typically lasting much longer than other foods. With ample preparation and an eye f...
