Coffee review

Manual picking of coffee beans to deal with the processing process

Published: 2024-09-21 Author: World Gafei
Last Updated: 2024/09/21, Manual picking of coffee beans: the fresh coffee fruit after cleaning is put into a peeling machine to remove the peel and ferment: because, the peeled coffee beans are also covered with a layer of mucous membrane (also known as pectin) that cannot be dissolved in water, and the coffee beans are piled up for the fermentation process, which quickly decomposes the mucous membrane and makes it easy to be washed off by water. But

Manual picking of coffee beans to deal with the processing process

Remove the peel and pulp: the washed fresh coffee fruit is put into the peeling machine to remove the peel.

Fermentation: because the peeled coffee beans are also covered with a layer of insoluble mucous membrane (also known as "pectin") in water, these coffee beans are piled up for the fermentation process, which quickly decomposes the mucous membrane and makes it easy to be washed off by water.

Wet fermentation can be carried out by immersing coffee beans in the fermentation tank, or dry fermentation can be carried out without soaking. The fermentation time depends on the fermentation temperature, the variety of coffee, the quantity of coffee and the maturity of the fruit. In most areas, fermentation takes an average of 36 hours.

Washed beans with shells need to be dried, usually dried in the open air, and coffee beans need to be turned constantly to prevent unnecessary fermentation. But it should not be dried too fast and gradually, otherwise, it will lead to the rupture of coffee beans and the loss of aromatic substances.

After shelling coffee beans for specific weight, size screening and other grading procedures. Usually, the more these procedures are done, the better the quality of the coffee will be.

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