Coffee knowledge Coffee growing Zone
Coffee grows in the tropics between the Tropic of Cancer and the Tropic of Cancer, with sufficient precipitation and an average annual temperature of 21 ℃ without frost. The suitable altitude for coffee growth is from sea level to 1500m. Coffee trees need five years to begin to bear fruit, and the production period is about 15 years.
Planting coffee trees is by no means easy. Soil temperature is a key condition, and the suitable temperature is about 27.7 ℃. At the same time, there are higher requirements for sunshine and humidity.
The coffee tree produces coffee fruit. This evergreen shrub can grow to more than 7m, but it is usually kept at a height of 2m for easy harvesting. The flowers of the tree have the shape and fragrance of jasmine.
Coffee fruit has a thin skin with a slightly bitter feel, which is fruit, similar to grape texture and sweet taste; coffee beans are protected by a layer of substance called sheepskin, which is protected by a layer of viscose; coffee beans are generally green with a layer of silver
Coffee beans are the seeds of coffee fruits, which are full in shape and bright red in color, much like the cherries we usually eat, except that each fruit has two beans and less pulp.
A coffee tree can produce an average of 1 to 1.5 pounds of roasted coffee beans a year, and it takes 4000 fresh beans to make a pound of coffee by hand.
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Brief introduction of Coffee varieties three kinds of original Coffee beans
Coffee beans are mainly divided into three kinds: Arabica Arabica, Robusta Roberta and Liberica Liberica. The origin of Arabica coffee is Ethiopia, which accounts for 70% to 80% of the world output. Almost all the world famous coffee varieties are Arabica Robusta coffee origin in the Congo, which accounts for about 20% of the world output.
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Processing of coffee beans two processing methods of raw coffee beans
Wet method: remove the pulp from the outer layer of the coffee cherry and then soak it in a large cement tank filled with water. After fermentation, the water-washed coffee will have a distinctive and clear flavor. The fermented coffee beans are washed with clean water, then removed from the water and dried in the sun or machine. Finally, the pulp is peeled with a sheller.
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