The characteristics of Solar treatment A brief introduction to the steps of making coffee beans by solarization
Professional coffee knowledge exchange more coffee bean information please follow the coffee workshop (Wechat official account cafe_style)
Brief introduction of Qianjie-Sun treatment
Sun treatment (Natural process) is a very ancient treatment, which can also be called "whole berry drying".
The history of sun treatment is very long, and it is the simplest of all treatments at present. Sun treatment is simply to spread the coffee fruit directly on the ground for drying, the main purpose is to make the coffee sun drying and dehydration. The drying time is usually 15-30 days. Coffee in the drying process, the need to manually constantly turn the coffee fruit, so that coffee beans are heated evenly, ventilated, conducive to drying, but also can avoid coffee bottom contact with the ground for too long and lead to mildew. After drying, the coffee fruit turns dark brown and the moisture content is about 12%.
Coffee treatment is equal to coffee fermentation?
In the processing of coffee, the fermentation of coffee is a crucial step, which can not only remove the mucus of coffee, but also affect the taste and sensory characteristics of coffee. Controlling coffee in the process of coffee processing means that the quality and consistency of coffee beans can be improved. However, the fermentation process is very complex. Fermentation is a natural process in which microorganisms such as yeasts and bacteria consume and metabolize compounds in coffee cherries, such as sugars and acids, resulting in the breakdown of these compounds into acids and alcohols.
To put it simply, sunburn coffee treatment, because beans are whole for the sun, not only a higher degree of fermentation, but also for a long time, usually can develop more tropical fruit flavor.
The advantages of sun-treated coffee: easy to operate, low cost, very suitable for water-deficient regions and countries.
Most importantly, this treatment can also retain more flavor of the coffee. Sun-treated coffee peel will become very light and crisp, using a sheller for easy shelling. However, the disadvantages of sun treatment are also obvious, due to the weather, rainy and humid areas are not suitable for this method. Secondly, it takes a long time, and quality control should be carried out frequently, which is very important. Finally, the probability of defective beans or impurities has increased.
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