Organic Freeze Dried

Organic Freeze Dried
Pure FREEZE DRIED ORGANIC Ultra ACAI BERRY Burn POWDER
Pure FREEZE DRIED ORGANIC Ultra ACAI BERRY Burn POWDER
Paypal   US $18.99 		Sambazon ORGANIC FREEZE DRIED ACAI POWDER TWO x 90 Gram Jars FRESH PRODUCT
Sambazon ORGANIC FREEZE DRIED ACAI POWDER TWO x 90 Gram Jars FRESH PRODUCT
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Acai Berry Gum Acai Slim Energy Organic Freeze Dried 12 Chewing Gums
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Acai Berry100 OrganicFreeze Dried Powder1 2 Lb8 OzBrazilKosherDetoxBurn
Acai Berry100 OrganicFreeze Dried Powder1 2 Lb8 OzBrazilKosherDetoxBurn
Paypal   US $36.00 		Sambazon ORGANIC FREEZE DRIED ACAI POWDER 90 Gram Jar FREE PRIORITY SHIPPING
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Pure Organic MAQUI berry powder FREEZE DRIED SuperFruit
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Organic Freeze Dried

How Freeze Dried Coffee is Made

Although nobody would pretend that instant freeze dried coffee tastes as good as freshly prepared coffee from the bean there is no doubt it has a large market, both commercially and in the home.

It's sheer convenience and ease of use is probably its main advantage and with the improvements of modern production processes the flavour of the final beverage has improved dramatically. Just add a spoonful of freeze dried coffee granules to a mug, add hot water and you can enjoy a decent cup of coffee.

We have all probably drunk freeze dried coffee at some stage, but what actually is it and how is it made?

Initially fresh brew coffee is made in the usual way using a very large industrial bulk brewer in which very hot water is passed though fresh coffee grounds in a filter system to produce the hot coffee liquor we are all familiar with.

This coffee liquor is then concentrated through a series of evaporators under vacuum where some of the aroma and flavour compounds are also removed and stored. This ensures that some of the flavour and aroma of the coffee that is lost during the freeze drying process can be 'put-back' into the final product just before packing.

The concentrated coffee liquor then moves on to the actual freeze-dry processing equipment. Here the coffee liquor is initially foamed and then frozen to a temperature of -450 degrees centigrade. It is then ground to the required particle size.

The ice crystals that formed in the freezing process from the water content in the beverage are then removed in a process called sublimation. Here the frozen granules are subjected to a high vacuum which results in much of the water ice content to be transformed directly into gas (without a liquid stage it would normally undergo) before being returned to room temperature.

The resulting freeze dried coffee typically contains just 3 to 5 percent water. The more volatile flavour and aroma compounds extracted at the initial brewing stage are then returned to the dried product just before packing.

A large quantity of used coffee grounds are produced at a typical freeze dried coffee factory during the process but these are put to good use. They are usually sold on as animal feed, compost or organic fuel.

Freeze dried coffee is considered to be of superior quality to spray dried coffee which is made by a different process. The spray dried production of coffee will be the subject of another article.

About the Author

For more information about coffee and coffee brewing equipment visit http://www.cafebar.co.uk

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