What is used to decaffeinate your coffee?

Coffee is almost always decaffeinated in the green bean form, before roasting. The first successful extraction of caffeine was achieved in 1820. The caffeine content of decaffeinated coffee cannot exceed 0.1% in the case of green beans OR 0.3% in the case of coffee extracts (instant coffee). All decaffeinated methods remove at least 97% of the caffeine naturally present in the coffee bean. A cup of decaf contains about 1-5 mg. of caffeine depending on the strength of the brew.

Chemicals are used to decaffeinate most coffees, but at Caswell's Coffee we use only the beans that have been decaffeinated using the Swiss Water process. This patented process results in great tasting coffee that is never subjected to chemicals. In the Swiss Water Process the green beans are immersed in water and the resulting extract passed over activated carbon to remove the caffeine. The caffeine-free mixture is then added to the partially dried coffee beans before they are fully dried and roasted. See the detailed process below:

The Swiss Water Decaffeination Process
  1. Start with green beans.
    Starting with top quality unroasted green beans. If they have been organically certified, they'll still be that way after decaffeination.
  2. Add pure water.
    Soak these beans in hot water. This hot water draws out the flavor essences of the beans just the way hot water does with ground coffee on a coffee press. The water becomes 'flavor-saturated' in coffee essences, then take these beans and discard them.
  3. Remove the caffeine
    Run this 'flavor-saturated water' through a carbon filter. This traps and removes the caffeine molecules, but no the coffee essences.
  4. Immerse new beans
    New coffee beans are added tot his 'flavor-saturated water'. Because this water is already saturated in coffee essences, only the caffeine is drawn out of the beans. This results in a full flavored, decaffeinated bean. In fact, our process removes 97% of the caffeine, which is the industry standard.
  5. One of the Greatest Decaf
    Free of caffeine and chemicals, but full of flavor, these beans are then dried. They are now ready to be roasted and brewed into decaffeinated coffee.