Separating bean from fruit:

There are two methods for processing the Cherries.
• Dry Method
• Wet Method

The dry method – an age old method of processing coffee and still used in many countries  where water resources are limited. The freshly picked cherries are spread out on huge surfaces to dry in the sun. To prevent spoiling they are raked and turned throughout the day, and covered at night.

The wet method – pulp is removed from the coffee cherry after  harvesting and the bean is dried with only the parchment skin left on. the freshly harvested cherries are passed  through a pulping machine where the skin and pulp is separated from the bean.  The pulp is washed away with water. The  beans are separated by weight through water channels, the  lighter beans floating to the top, the heavier, ripe beans sink to the bottom. They are passed through a series of rotating drums which separate them by size. The beans are then transported to large, water filled fermentation tanks. They remain in these tanks for anywhere from 12 to 48 hours. This will remove the slick layer of mucilage (called the parenchyma) that is still attached to the parchment. While resting in the tanks, naturally occurring enzymes will cause this layer to dissolve. When fermentation is complete the beans will feel rough, rather than slick, to the touch.  At this time, the beans are rinsed by being sent through additional water channels.  only then will they be ready for drying.

If processed with the wet method, the pulped and fermented  beans must be dried to approximately 11 percent moisture for proper storage. They can be sun dried by spreading them on drying tables or floors, where  they are turned regularly, or they can be machine dried in large tumblers.  Once  dried, these beans, referred to as 'parchment coffee,' are warehoused in sisal or jute bags until they are readied for export.

Drying the beans:

If processed with the wet method, the pulped and fermented  beans must be dried to approximately 11 percent moisture for proper storage. They can be sun dried by spreading them on drying tables or floors, where  they are turned regularly, or they can be machine dried in large tumblers.  Once  dried, these beans, referred to as 'parchment coffee,' are warehoused in sisal or jute bags until they are readied for export.


About green coffee beans:

Green coffee beans are unfrosted and can be purchased for this who want to roast there own beans. Here are some places to get you started.

Grading process
Transporting
Cupping
Roasting
Grinding
Brewing
Storing

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