As a result of the pressurized brewing process, the flavors and chemicals in a typical cup of espresso are very concentrated.Įspresso contains more caffeine per unit volume than most coffee beverages, but as its usual serving size of 25–30 ml (1 US oz) is much smaller than for other coffee drinks, the overall caffeine content of a single serving of espresso is generally lower than that of other coffees.

This is due to the higher concentration of suspended and dissolved solids, and the crema on top (a foam with a creamy consistency). Espresso is the most common way of making coffee in southern Europe, especially in Italy, France, Spain, and Portugal, but it is also popular in the rest of the world.Įspresso is generally thicker than coffee brewed by other methods, with a viscosity similar to that of warm honey. Espresso can be made with a wide variety of coffee beans and roast degrees, in which a small amount of nearly boiling water (about 90 ☌ or 190 ☏) is forced under 9–10 bars (900–1,000 kPa 130–150 psi) of pressure through finely-ground coffee beans. The French also made a significant contribution to the invention of the first coffee makers, predecessors of today's espresso machines, and generally to the café culture. A cup of espresso from Ventimiglia, ItalyĮspresso ( / ɛ ˈ s p r ɛ s oʊ/ ( listen), Italian: ) is one of the most popular coffee-brewing methods, of Italian origin.

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