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Your Location: Home >> News >> Technical support >> Freeze drying of drugs

Freeze drying of drugs

Release Date: 2018/7/23 17:28:30 .
Browse: 1436

The freeze dryer is a relatively advanced material dehydration and drying equipment. The principle is to freeze the water at low temperature, and then directly sublimate the water in a vacuum state, and condense the sublimated water vapor by condensation. Achieve the purpose of dehydration and drying of the substance. Freeze dryers are therefore widely used in all walks of life.
   Freeze dryer application range:
   Food industry: Freeze dryers are often used for drying fruits and vegetables, meat and poultry, aquatic products, condiments, convenience foods and specialty products. Therefore, freeze dryers are also known as food freeze dryers to maintain the original color, aroma, taste and shape of food. The purpose of the freshness is unchanged, and the rehydration is good, the finished product is easy to store and transport, the cost is reduced, and the storage period is prolonged.
   Medicinal health: in the drying of royal jelly, ginseng, turtles, cockroaches, cockroaches and other nutraceuticals, vacuum freeze-drying process, better preserve the original nutritional value, and make people believe that the nutritional products are pure and natural.
   Pharmaceutical industry: used for dehydration and preservation of Chinese and Western medicines such as serum, plasma, vaccines, enzymes, antibiotics, and hormones.

   Biological research: The long-term preservation of blood, bacteria, arteries, bones, skin, cornea, nerve tissue and various organs using vacuum freeze-drying technology can be regenerated only by supplying water during use, and still maintain its physical properties.

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.

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