Harvest and Processing
Apart from the coffee plant, harvesting and processing of the coffee is one of the main additional factors that significantly affect the quality.
The picking method is essential, as a coffee branch can bear both ripe and unripe fruits.
A distinction is made:
After picking the coffee cherries, the outer layer - the shell - has to be removed, to separate the two beans (2).
Coffee beans are the seeds of the fruit which looks like ripe cheeries with a red skin(Exocarp (7) ).
Elements of a coffee cherry
The two beans (2) lie in the the pulp (Mesocarp (6)), and are each covered by a parchment (Endokarp (4)).
When the fruit is ripe, the beans are surrounded by a thin gelatenous layer, the parchment.
In the parchment the beans are covered by another thin membrane, the silver skin (3)).
Each cherry usually contains two coffee beans.
Before coffee beans can be roasted, they must be removed from the fruit and dried
There are basically two methods for processing the beans: