How to distinguish between washed and sunburned coffee beans?
A successful cup of coffee should be treated strictly from the beginning of a raw coffee bean. the treatment methods of raw coffee beans can be divided into sun-drying method and water washing method, which method should be used according to the local climate, environment and the characteristics of coffee beans. After processing, raw coffee beans can be roasted and ground, but a cup of coffee is decided mainly on the freshness of coffee beans.
1. Look at the water content
The water content of washed coffee is 12% 13%, while that of dry coffee is 11% 12%. General coffee beans show different colors due to their different water content, with higher water content being green or cyan, and less brown or near white. Therefore, the washed coffee beans show a darker green.
How to tell whether coffee beans are insolated or washed?
2. See if the silver skin is in good condition.
In the process of processing, the washing method usually removes the silver skin from the coffee beans, showing a special luster, but the law of drying and refinement only takes off the coffee shell, and the silver skin is still intact.
How to tell whether coffee beans are insolated or washed?
3. Look at the degree of baking
Different processing methods use different degrees of baking, the effect is also different. In general, if the water-washed coffee beans have not been deeply roasted, the residual silver skin of the central line still exists. Although the silver skins of dry coffee beans are intact during processing, they are all gone after baking. The deeper the roasting, the darker the coffee beans will be.
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