Global quantitative food losses and waste per year are roughly 30% for cereals, 40-50% for root crops, fruits and vegetables, 20% for oil seeds, meat and dairy plus 35% for fish.

Every year, consumers in rich countries waste almost as much food (222 million tonnes) as the entire net food production of sub-Saharan Africa (230 million tonnes). Per capita waste by consumers is between 95-115 kg a year in Europe and North America, while consumers in sub- Saharan Africa, south and south-eastern Asia, each throw away only 6-11 kg a year.

In recent years there has been increased demand and objective necessity of building a plant for freeze-dried foods in Bulgaria. Lyophilized foods can replace traditional preservation, but without the use of preservatives. The method has the following advantages:

• Fully preserved taste, nutritional, organoleptic properties and vitamins, without any harmful preservatives and additives. The dry-heat procedure retains only 50-60% of the original nutritional properties;

• Saving the form and color of freeze-dried products, unlike drying with hot air;
• Durability of storage under ambient conditions (room temperature) 5-15 years (residual humidity up to 2-5%). No need for storage in freezers and refrigerators and related costs during this long period;
• Rapid rehydration, unlike drying with hot air;

• Packaging in hermetic quality three-layer packaging materials with aluminum intermediate layer - vacuum packing and non-oxidative environment of protective gas - nitrogen or argon.

• Saves weight and volume of the metal cans and glass jars, and up to 90% of weight of the food itself.

Fruits are most often to be freeze-dried (strawberries, wild strawberries, apples, pears, melons, apricots, peaches, kiwi, watermelon, blueberries, wild blueberries, cherries, grapes, raspberries and blackberries, sliced lemons and oranges, fruit mix); vegetables (original,

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The term Refrigerator means an electric refrigerator and the term Refrigerator-freezer means an electric refrigerator-freezer.

Electric refrigerator means a cabinet designed for the refrigerated storage of food at temperatures above 32 degrees Fahrenheit (°F) and below 39 °F, configured for general refrigerated food storage, and having a source of refrigeration requiring single phase, alternating current electric energy input only. An electric refrigerator may include a compartment for freezing and storage of food at temperatures below 32 °F, but does not provide a separate low temperature compartment designed for the freezing and storage of food at temperatures below 8 °F.

Electric refrigerator-freezer means a cabinet which consists of two or more compartments with at least one of the compartments designed for the refrigerated storage of food at temperatures above 32 °F. and with at least one of the compartments designed for the freezing and storage of food at temperatures below 8 °F. which may be adjusted by the user to a temperature of 0 °F. or below. The source of refrigeration requires single phase, alternating current electric energy input only.

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They  are available in sizes ranging from about 4 cubic ft. over  20 cubic ft.

Unless you have a very large kitchen area, this type of freezer is often stored in the garage or basement, due to its  size.

This type of freezer opens from the top, which means that cold air is retained well, due to the fact that cold air falls downwards rather than upwards.

Therefore this machine is cheaper to run, as less cold air is lost when the freezer door is opened.

Project Reports Cover:

•     Introduction
•     Uses and Applications
•     Properties
•     Market Survey with future aspects
•     Present Manufacturers
•     B.I.S. Specifications
•     Manufacturing Process with Formulae
•    Cost Economics with Profitability Analysis
•     Capacity
•     Land & Building Requirements with Rates
•     List & Details of Plant and Machinery with their Costs
•     Raw Materials
•     Details/List and Costs
•     Power & Water Requirements
•     Labour/Staff Requirements
•     Utilities and Overheads
•     Total Capital Investment
•     Turnover
•     Cost of Production
•     Break Even Point
•     Profitability
•     Land Man Ratio
•     Suppliers of Plant & Machineries and Raw Materials.

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