![]() ![]() However, for this incredibly cheap and easy-to-do freeze-drying process, it's definitely worth trying out. Freeze-dried food retains up to 90 of its nutritional value, while other drying methods, like dehydrating, will destroy nutrients and are often not shelf. It takes about a week to freeze-dry, which is much longer than a commercial machine: the latter can freeze-dry items in 24 hours. After a day, check if you need to replace the desiccant inside and then re-vacuum the container. To mimic the low temperatures required for the process to work, place the low-pressure container in the coldest part of your freezer. Inside this container, place the desiccators at the bottom to adsorb moisture, with the food you want to freeze-dry placed on the top (a divider is placed in between). ![]() In place of a vacuum pump, you simply need a wine-saver hand pump to lower the pressure inside the container you want to use. Top 10 features/factors respondents look for when purchasing a freeze dryer: Service and support, 63 Accurate vacuum control, 58 Warranty, 58 Ease of. Using desiccators to draw moisture, and a freezer to lower the temperature, you can effectively freeze-dry your food-it just takes a bit longer. The collector coil of your freeze dryer must be at least 15 to 20 degrees colder than the freezing point of the types of foods or concentrates you want to. This Instructables project was designed by someone who works in a lab with desiccators, aka those small packets of beads that are included in the packaging to keep products dry. Finally, if you want to try freeze-drying food without purchasing a specialized freeze dry machine, there is a way. ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |