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Decomposition diagram of structural names of various parts of coffee beans

Published: 2026-04-03 Author: World Gafei

Last Updated: 2026/04/03, The structure and name decomposition diagram of coffee beans generally there are two pairs of seeds in the fruit, but occasionally there is only one seed in the fruit, which is called Pea berry. The coffee we usually drink is made by grinding, brewing and other steps after roasting the seeds at the center of the coffee fruit. Coffee fruit is mainly transformed into raw coffee beans by the following three treatments.

Generally speaking, there are two pairs of seeds in the fruit, but occasionally there is only one seed in the fruit, which is called Pea berry.

The coffee we usually drink is made by grinding, brewing and other steps after roasting the seeds at the center of the coffee fruit.

Coffee fruit is mainly transformed into raw coffee beans by the following three treatments: dried, washed and semi-washed.

The coffee fruit is wrapped in a hard outer skin (cut skin), the inner layer is gelatinous pulp (pulp), and then the inner layer is endocarp (parchament), and the inside is tightly wrapped in the seed called silver skin, and the inside is wrapped in green seeds, that is, coffee beans.

There are usually two pairs of seeds, each hemispherical, with a plane opposite to each other, forming an ellipsoidal bean called flat bean, and about 5% of the seeds are single ellipsoidal, and this bean is called pea berry. Due to the scarcity of round beans, they are often made into brand-name products with high prices. There is also a sunken groove in the middle of the seed, called center cut, which is also covered with silver skin.

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