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Portal:Coffee

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Introduction

A cup of black coffee

Coffee is a beverage brewed from roasted, ground coffee beans. Darkly colored, bitter, and slightly acidic, coffee has a stimulating effect on humans, primarily due to its caffeine content, but decaffeinated coffee is also commercially available. There are also various coffee substitutes. Typically served hot, coffee has the highest sales in the world market for hot drinks.

Coffee production begins when the seeds from coffee cherries (the Coffea plant's fruits) are separated to produce unroasted green coffee beans. The "beans" are roasted and then ground into fine particles. Coffee is brewed from the ground roasted beans, which are typically steeped in hot water before being filtered out. It is usually served hot, although chilled or iced coffee is common. Coffee can be prepared and presented in a variety of ways (e.g., espresso, French press, caffè latte, or already-brewed canned coffee). Sugar, sugar substitutes, milk, and cream are often added to mask the bitter taste or enhance the flavor.

Though coffee is now a global commodity, it has a long history tied closely to food traditions around the Red Sea. Credible evidence of coffee drinking as the modern beverage subsequently appears in modern-day Yemen in southern Arabia in the middle of the 15th century in Sufi shrines, where coffee seeds were first roasted and brewed in a manner similar to how it is now prepared for drinking. The coffee beans were procured by the Yemenis from the Ethiopian Highlands via coastal Somali intermediaries, and cultivated in Yemen. By the 16th century, the drink had reached the rest of the Middle East and North Africa, later spreading to Europe. (Full article...)

Coffee landscape, Gia Lai province

Coffee production has been a major source of income for Vietnam since the early 20th century. First introduced by the French in 1857, the Vietnamese coffee industry developed through the plantation system, becoming a major economic force in the country. After an interruption during and immediately following the Vietnam War, production rose once again after Đổi mới economic reforms, making coffee second only to rice in value of agricultural products exported from Vietnam. (Full article...)

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Extracting a doppio

Doppio espresso (Italian: [ˈdoppjo]) is a double shot which is extracted using double the amount of ground coffee in a larger-sized portafilter basket. This results in 60 ml (2.1 imp fl oz; 2.0 US fl oz) of drink, double the amount of a single shot espresso. Doppio is Italian multiplier, meaning 'double'. It is commonly called a standard double, due to its standard in judging the espresso quality in barista competitions, where four single espresso are made using two double portafilters.

A single shot of espresso, by contrast, is called a solo ('single') and was developed because it was the maximum amount of ground coffee that could practically be extracted by lever espresso machines. At most cafés outside of Italy, a doppio is the standard shot. Because solos require a smaller portafilter basket, solo shots are often produced by making ("pulling") a doppio in a two-spout portafilter and only serving one of the streams; the other stream may be discarded or used in another drink. (Full article...)

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