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They wash the coffe with solvent. They used to use dichloromethane (better known as paint stripper) I think they now use liquid CO2.The tricky bit is then returning some of the other stuff that gets extracted in order to preserve the flavour.As for why, that's easy. Where else would you get the caffeine that goes into those little pills?
Does that make caffeinated coffee less harmful than decaffeinated?
Quote from: Carolyn on 16/08/2007 22:37:29Does that make caffeinated coffee less harmful than decaffeinated?I hope you are not intending to add extra caffeine to your coffee.Anyway, it will depend on the person : if you are subject to high blood pressure, to insomnia or to two or three other things, caffeine is more harmful to you than these solvent(s) would be. AFIK dichloromethane is no longer used for decaffeinating, and I take it that any solvent that is used nowadays is considered "safe", which does not mean that they may not be considered "suspect" or "harmful" somewhere in the future.