Coffee Processing Methods: Washed, Natural, Honey, and Modern Fermentations

The coffee bean is the seed of a fruit. After harvest, the producer has to remove the pulp, the mucilage, and the skin, then dry the coffee until it becomes stable.

During these stages, the coffee interacts with water, oxygen, temperature, microorganisms, the sugars in the mucilage, and time. That’s why processing isn’t just logistics. It’s a real part of building the taste.

In the washed process, the coffee is depulped, fermented to remove the mucilage, washed, and then dried.

In the cup, washed can bring:

• clarity;
• cleaner acidity;
• a more transparent profile;
• better separation between notes;
• less of a fermented-fruit sensation.

Washed doesn’t automatically mean "better." It means the process puts more emphasis on the coffee’s natural structure and less on the influence of the pulp staying in contact with the seed.

In the natural process, the coffee dries inside the whole cherry. The pulp stays in contact with the seed for the whole drying period.

In the cup, natural can bring:

• more obvious fruit;
• bigger body;
• rounder sweetness;
• notes of ripe fruit or wine-like notes;
• sometimes more perceived fermentation.

Natural requires a lot of attention. If the drying isn’t controlled well, the result can become dirty or unstable.

In the honey process, the coffee is depulped, but part of the mucilage stays on the seed during drying.

In the cup, honey can bring:

• high sweetness;
• rounder body than washed;
• more present fruit than in many washed coffees;
• more clarity than some naturals.

Terms like white honey, yellow honey, red honey, or black honey describe, broadly, how much mucilage stays on and how the drying is managed.

Anaerobic fermentation means the fermentation happens in an environment with limited or no oxygen. That doesn’t describe the whole process, just a condition under which fermentation takes place.

A coffee can be washed anaerobic, natural anaerobic, or part of a more complex protocol. That’s why the term "anaerobic" should be explained, not used as a vague label.

In the cup, controlled fermentations can bring:

• more obvious fruit;
• more intense acidity;
• floral or tropical notes;
• more unusual profiles;
• sometimes winey, boozy, or candy-like sensations.

Co-fermentation means that during fermentation, the coffee interacts with other ingredients, cultures, or natural aromatic sources. It can involve fruit, musts, starter cultures, yeasts, or selected bacteria, depending on the protocol.

At OVRIDE, we don’t hide co-fermentation. The issue isn’t the method, it’s the lack of transparency. If a coffee is co-fermented, we want to say so clearly.

Culturing is a modern processing method practiced by producers such as Café Uba in Colombia. In the lots we carry from Julio Madrid and Julio Andres, Culturing appears as a controlled-fermentation protocol with starter cultures and, in some cases, ingredients prepared for fermentation.

Editorially, we treat it as a distinct method and explain it separately.

Nitro Fermentation is a variation within the Culturing category where anaerobic fermentation is controlled with the help of nitrogen. It sometimes appears as Nitro Washed, since the process keeps a washed-style logic: the coffee is depulped, fermented under control, then washed and dried.

In the OVRIDE lineup, Lubeniță is the main example of Nitro Washed.

Sugarcane decaf is a decaffeination method that uses ethyl acetate derived from sugarcane. It’s important to explain it separately, because "decaf" doesn’t automatically mean coffee without character.

Processing influences the taste, but it doesn’t explain everything. The same processing method can give different results depending on:

• variety;
• cherry ripeness;
• process hygiene;
• temperature;
• fermentation time;
• drying;
• stabilization;
• transport and storage;
• roasting.

That’s why we choose transparent producers and lots we can taste, not just interesting labels.

• Co-fermented: Logan, Juicy Madness, Captain Mark, Lumen Bloom, Peach Radiance, Lubeniță
• Culturing: Peach Radiance, SAKURA Legends
• Nitro / Nitro Washed: Lubeniță, SAKURA Legends
• Natural: Buena Vista, Gesha Farm, Beku Abel Natural
• Washed: Beku Abel Washed, Malitza
• Sugarcane Decaf: Popayán Decaf

Co-ferment

Culturing

Nitro Fermentation

See Experimental