Coffee Processing

Coffee processing of the world’s top gourmet coffees is achieved by many different methods. These processing techniques can be grouped into four categories: Wet Processing, Dry Processing, Pulped Natural Processing, and Semi-Washed Processing.

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Espresso Coffee Guide provides detailed explanations of all of these coffee processing methods. Here is a quick overview:

Wet Processing involves washing the coffee beans of fruity material while the beans are still moist right after they are picked.

Dry Processing involves first drying the coffee cherry in the sun while regularly raking the beans free of any dried fruit.

Pulped Natural Processing involves initially pulping the coffee but without a fermentation stage as in Wet Processing, then drying the beans with much of the mucilage still attached.

In the Semi-Washed Processing method a demucilaging machine is used to remove the coffee cherry’s skin and most of the mucilage.

Aquapulp is another method which cleans the coffee cherry initially and has recently been adopted by many areas that formerly used wet processing.

Espresso and Coffee Brewing Tips

For tips on brewing the perfect cup of coffee see the Espresso Coffee Guide’s section on Coffee Brewing. For detailed definitions of coffee terminology see the Coffee and Espresso Glossary. You can also read detailed specialty coffee flavor profiles see Gourmet Coffees and Espresso Drink Recipes.

Also check out the evolution of coffee and espresso recounted in detail in our World’s Best History of Coffee.

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