Single-origin coffee is pure coffee ground from a single coffee bean produced in the country of origin, and is generally consumed without adding milk or sugar. It has strong characteristics and a special taste: either fresh and soft, or mellow and smooth; the cost is higher, so the price is also more expensive. For example, the famous Blue Mountain coffee, Brazilian coffee, Colombian coffee... are all single products named after the place where the coffee beans are produced. Although mocha coffee and charcoal roasted coffee are also single products, their names are quite special. Mocha is a port in Yemen. The coffee produced in this port is called Mocha, but these coffees may come from different origins, so the taste of each batch of Mocha beans is different.

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Espresso is made by passing hot water at 80 to 96 degrees Celsius through compacted coffee powder cakes at a pressure of 8 to 9 atmospheres. Usually, a cup of coffee is only 30 ml. It is one of the strongest coffees available, with a unique aroma and a touch of crema floating on the surface. It can be consumed on its own or further formulated into a variety of other drinks. Due to its fast brewing, high concentration, and low caffeine content, this method is used in many chain coffee shops or flavored coffees.

The Moka pot, also called "Italian coffee pot", is a stove with a three-layer structure. After the boiling water is boiled in the bottom layer, the coffee powder in the middle layer is pushed through the steam pressure into the upper layer. The resulting coffee concentration is comparable to espresso, but there is no floating oil. However, if a pressure gasket is installed at the coffee overflow outlet, extraction can be achieved A golden crema emerges. The structure of the Moka pot and the semi-automatic espresso machine are the same, but the water discharge method is upside down. After the coffee overflows about 30 to 40cc, remove the fire source from the bottom of the pot as soon as possible, and then use a cold towel to cover the bottom of the pot. Just wipe it off.