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Coffee from Guatemala
In Guatemala coffee grows in the heart of what was once the center of the Great Mayan Civilization. The Maya ruled this region of Central America from around 2500 B.C. until the arrival of Spanish Conquistadors in mid 1500 A.D.Coffee arrived in Central ...
Guide To Bunn Coffee Makers
Are you one of those people who can't get moving in the morning without that morning cup of coffee? If you are, you aren't alone. Homes across the country are home to Bunn coffee makers, espresso or cappuccino makers to get people up and ready to face the ...
The Authentic Cuban expresso Coffee Recipes
Just imagine the old days in Havana where old men dressed in white linens playing dominos and sipping some of the finest espresso in the world, while cigar smoke and guitar music linger in the air. When one round of espresso is finished, women in ...
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Instant coffee, or soluble coffee, as it was originally called dates back as early as 1771 when the British government granted a patent for a ?coffee compound?. There have been many attempts since then to make instant coffee more palatable but capturing the essence of freshly roasted, freshly brewed coffee has proven a difficult task.
Instant coffee is made by brewing a concentrated liquid solution of real coffee, then removing the water through various means of dehydration. What is left, the residue, is instant coffee. Early methods of dehydration involved spraying the concentrated solution into heated stainless steel drums and after the water had evaporated the drums were scraped and the powdery residue was packaged. The taste was scorched, pungent and bitter to say the least. If you have ever left a pot on the burner too long and have ended up with a charred disgusting mess in the bottom of the carafe, then you have made instant coffee.
The next advancement in instant coffee came in the 1960?s when the process of agglomeration was introduced. Particles of instant coffee were steamed and made sticky so they would clump together. The
clumps were then redried by reheating. The result was a better looking product that closer resembled ground coffee but the flavor may have actually been degraded even further by the additional heating cycle.
Most recently the process of lyophilization or ?freeze-drying? has become the standard method of making instant coffee. This method is a vast improvement over other methods for two reasons. The first is that the coffee concentrate is extracted under high pressure so the water used never actually boils even though the water is well above the boiling point.
The second is that the water is removed without adding heat which helps preserve the coffee flavor. The concentrate is then frozen and placed in a vacuum chamber and the temperature is raised to just above freezing, at which point one would expect the mixture to melt. However, since it is in a vacuum the frozen water is prevented from becoming a liquid. But since the temperature is above freezing the solid water (ice) goes directly from a solid to a vapor. It is then vented to a separate chamber where it is refrozen as pure water. What is left in the vacuum chamber is the coffee residue.
Even with the improved process of freeze drying instant coffee remains a sad substitute for the real thing.
? Copyright Randy Wilson, All Rights Reserved.
About the Author
Randy has more articles on coffee such as Colombian Coffee, Coffee and Alzheimers and Coffee Breaks.
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Coffee
Coffee
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Discover An Inexpensive Yet
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Ingredient That Makes It Even More Effective.
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Written By An Experienced Shop Owner, Worker And Entrepreneur. Includes Many
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Book On 49 Mistakes We Made In The
Espresso Coffee Shop Cafe Business Plus 29 Recipes, Forms, Checklists. $104 Aff.
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Discover An Inexpensive Yet
Highly Effective Homemade Cat Urine And Odor Remover Recipe. Easy To Make And
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Bonuses And Extras Including Email And Personal Consult.
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Book On 49 Mistakes We Made In The
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Discover An Inexpensive Yet
Highly Effective Homemade Cat Urine And Odor Remover Recipe. Easy To Make And
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Ingredient That Makes It Even More Effective.
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Business Plan To Open A Coffee Shop,
Written By An Experienced Shop Owner, Worker And Entrepreneur. Includes Many
Bonuses And Extras Including Email And Personal Consult.
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Book On 49 Mistakes We Made In The
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Coffee
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