Classification of coffee bean varieties how to grade coffee beans
Types of coffee beans
Arabica Coffee (Coffee Arabica)
(1) flavor characteristics
Arabica coffee has a varied and broad potential flavor. Arabica coffee produced in different regions, different elevations and different climatic areas usually has its own characteristics. It smells like grass when it is not roasted. After proper roasting, it shows fruity (medium-light roasting) and caramel sweet (deep roasting).
(2) Market price and use
Good Arabica coffee requires complicated manual picking, selection and meticulous processing, so Arabica coffee is the most expensive and best coffee bean in the world.
2. Robsta Coffee (Coffee Robusta)
(1) flavor characteristics
Robusta coffee, commonly known as thick beans, usually has an ordinary and rigid flavor, and there is little difference in flavor between different regions and different climates. it smells like raw peanuts when it is not baked. The taste after baking is usually between wheat tea (light baking) and rubber tire flavor (deep baking), so it is difficult to show meticulous flavor.
(2) Market price and use
Robusta coffee is usually used to make instant coffee and canned coffee because of its low cost. A small number of better quality robusta coffee are also used in blending (mixed with Arabica coffee) espresso beans. In addition, Robusta coffee contains about twice as much caffeine as Arabica coffee, which is why drinking canned coffee is more likely to cause palpitations and insomnia.
3. Liberian coffee (Coffee Liberica)
Native to the lowland forests of Liberia on the west coast of Africa, widely planted in tropical low-altitude areas, evergreen trees, up to about 10 meters high, branches spread. Leaves thick leathery, large, elliptic, Obovate-elliptic. The flowers are white and the fruit is few. Generally, there are only 6 flowers in a section. The fruit is large and reddish when ripe, with a hard and thick rind and pulp. The main root is thick and long, drought resistance, wind resistance, cold resistance is strong, but disease resistance is weak, the most likely to be infected with leaf rust. The product has a strong and hot taste, strong irritation and poor quality. There is a small amount of cultivation in Hainan Island, China.
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Screening of coffee beans Coffee bean grade
1. Graded coffee beans are graded first by size, then by density. With the exception of two exceptions, all coffee beans have a considerable size and the same proportion, with flat on one side and semi-oval on the other. The special cases are pea-shaped coffee beans that tend to be oval in shape and giant coffee beans with large particles (that is, Marragol peel coffee beans), the price of these two kinds of coffee beans.
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Basic knowledge of specifications and grades of coffee beans
Coffee beans are graded in different countries according to different grading systems. Some of these classification processes are overly complex and ineffective, such as the Haitian classification method, while the classification devices used in Brazil, despite their complex structure, are indeed necessary. Overall, there are six export grades, the highest being SHB (strictlyhardbean) extra hard coffee beans, or highland coffee beans.
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