29 May '12, 7pm

Voor wie duidelijke uitleg wil over Decafé espresso enzo > 'decaffeïneren' zie: #koffieRT

Water method; When green coffee is immersed in water the caffeine content is dissolved and removed, but along with this much of the coffee’s aromatic character can be lost. To overcome this drawback, the liquid is saturated with the water-soluble components of the coffee. The caffeine is subsequently removed from the solution using activated carbon or other adsorbents, which retain the caffeine, and the extract deprived of the caffeine can then be recycled. Ethyl - Acetate method: Ethyl - Acetate (EA) occurs in several natural products and contributes to the characteristic aroma of many fruit. EA is also found in varying concentrations in foodstuffs including green and roasted coffee. In the decaffeination process the combination of water and ethyl-acetate is used. In the extracting vessel the EA is circulated around the water soaked beans for extracting the caffeine. Then...

Full article: http://www.ico.org/decaffeination.asp

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