Food preservation transforms seasonal harvests into long-lasting pantry staples, and two standout methods—dehydration and freeze-drying—take very different paths to get there. Both remove moisture, a key step in preventing spoilage,

Freeze drying transforms the way food lasts, ensuring flavor, texture, and nutrients remain remarkably intact. The process—technically known as lyophilization—removes moisture by first freezing the food, then reducing the surrounding

How Sublimation Preserves Food and Pharmaceuticals Freeze drying, also called lyophilization, strips away moisture while preserving structure, nutrients, and appearance. It’s used to extend shelf life without relying on high