Sun treatment of Primary processing of Fine Coffee beans
Tanning is a traditional method for the initial processing of coffee beans, and at present, almost all coffee-growing countries such as Ethiopia and Yemen still use solarization to treat raw beans.
Sun treatment will first identify sunken beans in the sink, that is, ripe or half-ripe beans are spread in the drying farm for natural drying. The specific time depends on the local climatic conditions, which usually takes two to four weeks. When the moisture of the coffee bean is reduced to 12%, then use a sheller to grind off the hard pulp and silver skin.
The sun treatment has a very high requirement on the climate, and if you encounter a rainy day in the sun, it will make the beans moist and moldy.
When drying raw beans in the sun, the color is yellow, and the center will be brown after baking, rather than the white of washed beans.
Sun beans have relatively better sweetness and mellow thickness, while less sour taste, but the quality is more unstable, there will be greater fluctuations.
Due to the low cost of tanning, it is widely used not only in Ethiopia and Yemen, but also in Robbins grown in Africa and Indonesia.
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The method of washing the primary processing of high-quality coffee beans
Washing is the most popular and widely used method of raw bean treatment at present, and most of the boutique coffee beans will choose the washing method. In South America, all countries except Brazil choose to wash raw beans. Washing is the most scientific and technological method among all the treatment methods, and multiple screening is used to ensure the uniformity and stability of coffee bean quality. First of all, still
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Boutique Coffee Learning interesting Coffee processing process
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