Decaf Colombia, Sugarcane Process

Decaf Colombia, Sugarcane Process

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What is the Sugarcane decaf process?

Sugar cane ethyl acetate (E.A.) processing, also commonly referred to as natural decaffeinated, starts by fermenting molasses derived from sugar cane to create ethanol. This alcohol is then mixed with acetic acid (commonly known as vinegar), to create the compound ethyl acetate.

In Colombia, where sugar cane is readily available, it makes great economic sense to use this plentiful resource to complement the coffee industry. E.A. is also found in wine, beer, fruit, vegetables, and other food and beverage. 

When the coffee is received it is first submitted to a condition of water and steam.  This elevates the moisture contained and swells the bean in order to facilitate the extraction of caffeine.  It is at this point, that the bean experiences an E.A. wash, which dissolves the caffeine.  The beans are then cleaned with water, followed by steam, to clean the inner most portions of the bean.  Finally, the beans are dried until reaching the moisture similar to which they had prior to the process.

This method avoids excessive heat or pressure, which can radically disrupt a green bean's cellular structure.