Washed (wet)
In this method, the fruit peels are first mechanically removed from the beans. Then, the beans covered with pulps are drained down water basins and mixed man times in order to remove the pulps from the beans. The time coffee spends in the water varies from a few hours to a few days, depending on the type of equipment, climate and intentions of the washing station. Next, the beans are either sun-dried or dried in special machines.
Washed coffees are known for their pure taste and strong acidity. The idea behind washing is that the coffee beans already have everything they need from the time they had spent on trees and that they do not need any extra exposure to the pulp. Removing the pulp lets the coffee beans better keep their individual traits they gain from their location, genetic variety and so on.
Double washed
A unique process mostly confined to
Kenya. Compared to normal, fully washed coffee, there is an extra night the coffee spends floating in water before being pulped, which warrants a greater water purity during the fermentation following the pulping and thus the removal of unwanted influence on the taste of the coffee beans is minimalized even more.
Hand washed
A primitive form of full washing typical for isolated and undeveloped locations, such as the
Ugandan hinterlands. The cherries are hand-pulped in mechanical mills, put into woven baskets and hand-washed in mountain stream water. It is a difficult method, but the final coffee is washed pretty much perfectly.
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