Etiopia Sidamo Swiss Water Decaf

Czas dostawy 2 dni
26.00
Kawa bezkofeinowa, Delikatna kwasowość, średnie body, kwiaty.

Profil palenia: ciemny pod espresso


Informacje o ziarnie:

Sidamo region

Kraj pochodzenia

Etiopia

Region  

Sidamo region

Gospodarstwo

Sidamo 

Odmiana

Heirloom

Wysokość uprawy

1600 - 1900m n.p.m.

Metoda obróbki

Washed

Zbiór

2016/2017

 

Swiss Water decaf 

The company behind Swiss Water Process is Canadian – not Swiss, surprisingly. The technology itself pioneered in Switzerland though. Coffees decaffeinated through the Swiss Water Process are different in that the technology does not use any kind of chemical agent to extract caffeine from the beans. The decaffeination process relies on osmosis and solubility characteristics of coffee beans.

First, they created a liquid called Green Coffee Extract. This was created by soaking a batch of green coffee beans in a tank of hot water. The water takes out caffeine molecules, but also good flavour oils and other soluble components. A carbon filter then filters this water. Due to the porosity of the filter, it only traps caffeine molecules. The result of this is a flavourful and caffeine-free liquid, super-saturated with coffee solubles on one side, and flavourless, caffeine-free green coffee beans on the other side. This batch of beans is useless and is discarded. What remains is the Green Coffee Extract (GCE). With this extract, the real decaffeination can begin!

Next, a fresh batch of green coffee beans is soaked in this GCE. Because it is already completely saturated with coffee solubles (flavour molecules and oils), the GCE does not extract any flavour from the new batch of beans. It will only remove the caffeine molecules. The GCE now contains the caffeine from the beans. The carbon filters in the system trap and retain the caffeine molecules in the liquid. The GCE gets refreshed and is now free from caffeine as well. It flows back into the batch of coffee to extract more caffeine. This GCE flows continuously until the beans are 99.9% caffeine-free. The entire process takes 8 tot 10 hours.


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