6 Facts About Coffee Everyone Thinks Are True

A Guide to Coffee Roasting

Coffee is a brewed drink, which is loved all over the world and in time memorial for its flavorful aroma, which is produced from drying and roasting green coffee beans.

Roasting coffee brings out the aroma and unique flavor of coffee which is locked inside the green coffee beans, as the heating process allows the transformation of the chemical and physical properties of the green coffee beans to produce coffee. Levels of organic compounds, such as amino acids, protein, sugars and caffeine, a stimulant which is linked with the central nervous system, are contained in green coffee beans and when these beans are roasted a chemical reaction takes place, which is known as the Maillard reaction, which is a chemical reaction between amino acids and sugars, and this reaction produces brown, roasted beans that possess a distinct aroma and flavor.

Roasting coffee is a mastery of having the ability to know when the beans are roasted to give that aroma and flavor and not burnt. Only coffee masters know how to produce the four categories of roasted coffee – light, medium, medium-dark, and dark. All categories give that aromatic smell but the flavor of each differs.
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Coffee roasters know when the coffee beans are roasted into which category based on the sound it produces during roasting and at specific temperatures, such that at 196 degrees Centigrade the first crack sound is produced, marking the beginning of a light roast coffee, and at 224 degrees Centigrade, the second crack is sounded.
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When the roasting is just enough to produce a light roast coffee, the following characteristics of this coffee comes out – light brown color, mild taste, and no visible oil on the surface of the roasted beans. The following commercial names of this light roast coffee are: Light City, Half City, and Cinnamon Coffee.

The characteristics of medium roast coffee are medium brown, has a stronger flavor than light roast coffee and, still, non-oily. City Coffee, American Coffee, and Breakfast Coffee are examples of names which refer to medium roast coffee.

For medium dark roast coffee, the results come out as a rich, dark color coffee, slightly oily, and having a bittersweet aftertaste. Medium dark roast coffee is also referred to as Full City coffee.

These are the distinct characteristics of dark roast coffee – shiny due to the oil that comes out during roasting, has a bitter taste, less acidity and slightly dark to charred color. They are in popular demand than the other categories, such that they come in different names: High, Continental, New Orleans, European, Espresso, Viennese, Italian, and French.