Coffee solarization is the oldest and most primitive treatment of coffee beans.
Professional coffee knowledge exchange more coffee bean information please follow the coffee workshop (Wechat official account cafe_style)
Solarization (Dry process/Natural method)
Tanning is the oldest and most primitive treatment of coffee beans. Arabs used this method to deal with coffee more than a thousand years ago. The harvested coffee cherries are directly exposed to the sun on the terrace and receive direct sunlight exposure (about 27-30 days). The moisture content is changed from 60% to only 12%. The concept of this treatment is simple and inexpensive, but it has a lot of variables and risks; it has been used for a long time to deal with beans that are not of such good quality.
Flavor: soft acidity and uniform bitterness, thick, rich layers, obvious sweetness. Good quality sun beans will have a fruity or wine flavor.
Sun-drying: the fresh coffee fruit is put into the exposure field for sun-drying, and the water content is about 12% after 4 weeks of continuous turning and drying. Make the coffee cherry evenly heated, after drying, the coffee core and skin will be separated, and then use the sheller to remove the pulp, peel and so on, the screening will be completed.
Coffee beans from Moka in Yemen, Hara in Ethiopia, Brazil and Sulawesi in Indonesia are often treated in this way.
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