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Allgemein
September 1, 2026
How is coffee decaffeinated? Comparing the four methods
Philipp Schallberger
Four methods, one goal: the caffeine must come out of the bean, everything else should stay in. Dichloromethane, ethyl acetate, water and CO₂ compared, with pressure, time, residues and limit values. We spoke with the decaffeinators at CR3 in Bremen, Descamex in Mexico and Swiss Water in Canada.
Allgemein
September 1, 2026
How is coffee decaffeinated? Comparing the four methods
Four methods, one goal: the caffeine must come out of the bean, everything else should stay in. Dichloromethane, ethyl acetate, water and CO₂ compared, with pressure, time, residues and limit values. We spoke with the decaffeinators at CR3 in Bremen, Descamex in Mexico and Swiss Water in Canada.