Freeze drying of drugs
Freeze drying of drugs: 1. The medicine is dispensed before freezing, and the dosage is accurate. 2. Dry at low temperature to retain the heat sensitive substance in the dried drug. 3. Drying under low pressure, the dried drugs are not easy to oxidize and deteriorate, and at the same time can sterilize or inhibit the vitality of certain bacteria due to lack of oxygen. 4. The dried drug can form a "skeleton" when frozen, and can maintain its original shape after drying, forming a porous structure and the color is basically unchanged. 5, Good rehydration, freeze-dried drugs can quickly absorb water to reduce the state before lyophilization. 6. Dehydrated thoroughly, suitable for long-distance transportation and long-term storage.
