Freeze Drying Systems Pvt. Ltd.

Freeze Drying Systems Pvt. Ltd.

Manjusar, Vadodara, Gujarat
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About Us

Freeze Drying- Much More Than Just Drying

Freeze-Drying, also known as lyophilization is a dehydration process typically used to preserve a perishable material or to make the material more shelf stable and convenient for transport. Freeze-drying works by freezing the material and than reducing the surrounding pressure to allow the frozen water in the material to sublimate directly from the solid phase to the gaseous phase.
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Freeze Drying- Much More Than Just Drying

What is Freeze Drying?

To begin with, let us first clear a misconception that freeze drying results in frozen food product, rather it results in a perfectly dried product with moisture content as low as 4% or below. Freeze drying removes only water content present in loose form or in bonded form i.e. solvent, leaving intact the molecular structure of the product. The end product is light in weight with least or no change in volume. The food product neither requires any treatment with chemical nor it is subjected to harsh temperature during drying. The quality of freeze dried product is unmatched to any other product processed by conventional drying methods. In fact, it is the same method by which life saving vaccines and pharmaceutical drugs are preserved.


Definition: As the name suggests, Freeze Drying means freezing the product below its eutectic point (i.e. deep frozen) and then drying. Drying is done under very high vacuum and at temperatures well below the freezing point. Freeze drying is a sublimation process where water in frozen state is converted into water vapours with out allowing it to go through liquid state. Vacuum condition ensures sublimation and hence the process is also called as Vacuum Freeze Drying.The end product retains most of its original characteristics like structure, size, flavor, color and most importantly the active nutrients. The water phase diagram above illustrates various drying methods.

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What is Freeze Drying?

Application Of Freeze Drying

Freeze dried ingredients finds its application in wide range of industries e.g. soup mixes, snacks which are fat & salt free, breakfast cereals, bakery, baby food, dairy, instant meals, confectionery industry and so on. Freeze Drying can be applied to variety of products like:

  • Vegetables : Onions, Beans, Green Peas, Carrots, Capsicum, Lady finger, Sweet Corn, Spinach, Mushrooms etc.
  • Fruits : Banana, Strawberry, Sapota, Mango, Pineapple, Guava, Jack fruit  etc.
  • Poultry and Marine Products : Chicken, Prawns, Shrimps, Fish etc.
  • Spices and Herbs : Garlic, Ginger, Pepper, Coriander,   Mint, Chives, Basil, Parsley, Fenugreek etc.
  • Precooked Meals : Instant Soups, Instant Gravies, Dal Makhani, Dal Tadka, Mix Veg, Sprouts, Chicken Curry etc.
  • Pet Foods : Meat Balls, Chicken Balls, Liver Sticks, Red Worms etc.
  • Dairy Products : Flavored Milk, Yogurt, Lassi, Tofu, Cottage Cheese etc.
  • Tea & Coffee : Instant Tea, Flavoured Tea and Instant Coffee.
  • Food for astronauts, military & navy personnel, mountaineers expeditions etc.
  • Pharmaceutical  Products  :  Immune  Serum,  Whole  Plasma,  Blood  Products,  Penicillin,  certain  Enzymes,  a variety  of  Viral  and  Bacterial  preparations,  Yeast  Cultures,  Plant  Extracts,  Cosmetics,  Diagnostics,  Vaccines, Hormones, Mammalian Tissues useful in skin and bone grafting etc.
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Other Benefits

REF VAC offers full food freeze drying project on turnkey basis.

Few of the areas where we can assist you like none other are as follows :

  • Preparation of project report with feasibility study on various food products
  • Factory planning and layout
  • Manpower planning
  • Training of technical staff for operation and maintenance of plant and machinery
  • Training of production staff for producing high quality of freeze dried products
  • Preparing standard operating procedures (SOP) for various products
  • Setting up of Quality Control Lab for keeping check on the physical and microbiological specifications as specified under international standards
  • Preparation of pre-shipment samples and final packaging
  • Marketing assistance by keeping you informed about international food expos and providing you list of prospective buyers across the world
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Advantages of Freeze Drying

  • No change in original shape, color & texture
  • Retention of aroma, taste or flavor
  • Nutritional values like proteins and vitamins are retained
  • Quick and easy rehydration
  • Stable product with long shelf life
  • All natural - no need to add artificial flavor, preservatives or colors during storage
  • No costly refrigeration required during transportation or storage
  • Light weight and easy to handle thereby lowering transportation cost
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Reva FFD - Salient Features

Reva FFDs are fully indigenous plants, which means low capital investment as compared to imported plants. Since we have long been involved with maintenance and refurbishing of imported freeze dryers, we are aware of the problems associated with operation and maintenance of these plants. While designing Reva FFDs every care is being taken to overcome such difficulties so as to make them suited to Indian operating conditions with out compromising with the sophistication of international standards.


Other benefits are:

  • Reva FFD proves to be economically viable due to low cost. Consumes less power, which means more profitability
  • Ruggedly built in high class steel to give years of trouble free operation. Compact in size with easy accessibility to internal surfaces
  • Simple and reliable operation meant for nonstop production
  • Ease in maintenance with ready availability of spares, which considerably reduces shut down time and results in minimum production losses
  • Fully automatic PLC & PC based systems also available
  • Guaranteed Process Control parameters like temperature and vacuum. Commitment to timely delivery
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Reach Us
Rajendra N. Honarao (Director And Promotor)
Freeze Drying Systems Pvt. Ltd.
Plot No. 505, Manjusar, GIDC, Tal. Savli
Vadodara - 391775, Gujarat, India
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