冷凍乾燥

a dehydration process used to preserve perishable material by freezing and then reducing the surrounding pressure to allow the frozen water to sublimate.

a method of drying food or blood plasma or pharmaceuticals or tissue without destroying their physical structure; material is frozen and then warmed in a vacuum so that the ice sublimes

食品や血漿、医薬品、組織などを物理構造を破壊せずに乾燥させる方法。材料を凍結し、真空中で暖めて氷を昇華させます。