ETHIOPIA - WORKA CHELICHELE - NATURAL ANAEROBIC
ETHIOPIA - WORKA CHELICHELE - NATURAL ANAEROBIC
ETHIOPIA - WORKA CHELICHELE - NATURAL ANAEROBIC
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ETHIOPIA - WORKA CHELICHELE - NATURAL ANAEROBIC

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ETHIOPIA - WORKA CHELICHELE

The sealed, oxygen-less environment encourages specific microbial interactions, resulting in bright, fruity Naturals with complex floral and citrus notes.

FARM: Worka Chelichele Washing Station

VARIETAL: JARC varieties , Local Landraces

PROCESSING: Anaerobic Natural

ALTITUDE: 1,945 to 1970 meters above sea level

PRODUCER: Various Farmers

REGION: Yirgacheffe

TASTING NOTES: Blueberry, Tropical Fruits, Sparkling Grape Soda

 

CULTIVATION

Farming methods in the region remain largely traditional. Yirgacheffe farmers typically intercrop their coffee plants with other food crops. This method is common among smallholders because it maximizes land use and provides food for their families.
In addition to remaining traditionally intercropped, most farms are also organic-by default. Farmers in Yirgacheffe typically use very few — if any — fertilizers or pesticides. Most farm work is done manually by the immediate family. To capitalize on the magnificent climate, Worka Chelichele provides training to help farmers produce better quality cherry. Training focuses on procedures for harvesting and transporting cherry.

 

HARVEST & POST-HARVEST

Farmers selectively handpick ripe cherry and deliver it to the station. At intake, employees visually inspect cherry and accept only fully ripe cherry for anaerobic fermentation. Selected cherry is tightly packed in GrainPro bags and sealed shut. Cherry ferments anaerobically (without oxygen) for 18 to 24 hours.
After fermentation, cherry is carefully removed from bags and laid to dry in direct sunlight on raised beds. Workers turn cherry frequently to promote even drying. It takes approximately 2 to 3 weeks for cherry to dry.

ANAEROBIC FERMENTATION

As more producers and washing stations enter specialty coffee, unique processing methods are a new way to stand out among the increasing number of sellers. One of those newer processing methods is anaerobic fermentation.
Anaerobic fermentation occurs in sealed containers. The seal means the microbes fueling fermentation quickly consume all the oxygen in the container. At that point, the environment become anaerobic (without oxygen). In this new environment, the microbes that typically breath oxygen have a harder time surviving and those that flourish on carbon dioxide (the typical byproduct of oxygen-breathing microbes) are able dominate fermentation. Microbes are immensely diverse and have the potential to produce a wide array of flavors in coffees. Aerobic (oxygen-breathing) microbes produce different flavor outcomes than anaerobic ones, so we have the potential to produce vastly different flavors simply by changing the available resources for microbes.

 

 

COFFEE IN ETHIOPIA

While Ethiopia is famous as coffee’s birthplace, today it remains a specialty coffee industry darling for its incredible variety of flavors. While full traceability has been difficult in recent history, new regulations have made direct purchasing possible. We’re
partnering directly with farmers to help them produce top quality specialty lots that are now completely traceable, adding value for farmers and roasters, alike.
The exceptional quality of Ethiopian coffee is due to a combination of factors. The genetic diversity of coffee varieties means that we find a diversity of flavor, even between (or within) farms with similar growing conditions and processing. In addition to varieties, processing methods also contribute to end quality. The final key ingredients for excellent coffee in Ethiopia are the producing traditions that have created the genetic diversity, processing infrastructure and great coffee we enjoy today.
Most producers in Ethiopia are smallholders, and the majority continue to cultivate coffee using traditional methods. As a result, most coffee is grown with no chemical fertilizer or pesticide use. Coffee is almost entirely cultivated, harvested and dried using manual systems.