How Do Natural and Washed Coffee Processing Differ?

Natural and washed are the two oldest coffee processing methods, and they decide how much fermentation the green beans undergo and which flavors reach the cup. Processing means removing skin, pulp, and pectin from harvested cherries, then drying the beans to a set moisture content so they store and roast predictably.

Because the steps differ, the same variety can taste quite unlike itself. Knowing how to process coffee beans, and why each route is chosen, gives a practical basis for comparison: experienced drinkers can often identify the method from a single sip. The two styles are the most widely used in specialty coffee, and each leaves a clear signature.

In the specialty coffee world, natural and washed are the two oldest and most widely used processing methods, and they directly determine the degree of fermentation in the green beans and the flavor direction in the final cup. So-called processing refers to the process of removing non-bean materials such as skin and pectin from harvested coffee cherries and drying them to a suitable moisture content. Because the procedures differ, the beans' individual characteristics show stark differences, and experienced enthusiasts can often tell the processing method from just one sip. This article will break down the complete steps of natural and washed one by one, compare the causes of their flavors, and share practical green bean identification tips, while combining Front Street Coffee's daily sharing to help you understand these two processing methods more systematically.

"Washed" and "Natural" are the two most classic and most commonly adopted green bean processing methods in the coffee world. So-called processing is the entire procedure of removing all tissues other than the coffee beans from harvested coffee cherries, then drying them to a certain moisture content.

In this process, because there are differences in processing methods, the degree of fermentation of the coffee beans also differs, ultimately presenting different flavor directions. The "personalities" of these two processing methods are both quite prominent, so as Front Street often mentions, many experienced coffee players can tell which processing method the beans in front of them used with just one sip.

The above content is compiled by CoffeeHunters, a coffee news website.