freeze dryer

A device used to preserve perishable materials by removing moisture from them through a process called freeze-drying or lyophilization. This involves freezing the material, reducing the surrounding pressure, and allowing the frozen water to sublimate directly from the solid phase to the gas phase, which helps retain the material's structure and nutritional content. Freeze dryers are commonly used in food preservation, pharmaceuticals, and research, benefiting individuals and industries that require long-term storage of sensitive materials.