Coffee

Coffee as a beverage, usually served hot, prepared from the roasted seeds (beans) of the coffee plant. Because of their popularity, tea is the second largest commodity in terms of monetary value in the world (after oil traded). It is one of the most important sources of human caffeine stimulant. For this reason, the nutritional value of coffee are disputed, sometimes referred to as a panacea, sometimes referred to as a risk to health (see caffeinism).

Coffee can be brewed in different ways, but these methods can be divided into four main groups, depending on how the water is introduced to the cafe. If the method allows the water once passed through the country, the resulting product contains mainly the more soluble components (including caffeine), while the water has been repeatedly beans (often as in the coffee maker), the mixture contain from several relatively less soluble compounds the seeds that they tend more bitter, this kind of process encourages coffee drinkers.

Coffee in all its forms, with coffee grounds (coffee beans are roasted and ground) and hot water and land, either to or from the cup or pitcher filter to remain after the most important fat-soluble components are removed. The grind required differs from the proposed method beverages.

The water temperature is crucial for the proper extraction of coffee flavor. The recommended brewing temperature of coffee is 93 C (204 F). Any costs, and some aromatic compounds, are to make the taste is not published. When the water warms, some undesirable elements from the soil, affecting the taste.

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