Caffeine Content of Decaffeinated Coffee
Almost all brands of decaffeinated coffee still contain caffeine. Drinking five to ten cups of decaffeinated coffee could deliver as much caffeine as would one or two cups of regular coffee, according to research at the University of Florida Maples Center for Forensic Medicine. In one independent study of 10 popular decaffeinated coffees, researchers found that all but one contained detectable caffeine. The 16-ounce (473-milliliter) cups of coffee samples contained caffeine in the range of 8.6 milligrams to 13.9 milligrams. In another similar study of popular brands of decaf coffees, the caffeine content was anywhere from 3 milligrams up to 32 milligrams. For comparison, an 8-ounce (237-milliliter) cup of regular coffee contains 95-200 mg of caffeine, and a 12-ounce (355-milliliter) serving of Coca-Cola contains 36 mg.
Both of these studies tested the caffeine content of store-brewed coffee, suggesting that the caffeine may be residual from the normal coffee served rather than poorly decaffeinated coffee.
Read more about this topic: Decaffeination
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