How much caffeine is in decaffeinated coffee?
Federal regulations in the U. S. require 97% of a coffees original caffeine content to be removed in order to be considered decaffeinated. Prior to being subjected to a decaffeinating process, Arabica coffees typically contain between 0.58 1.89% caffeine by weight, while Robusta coffees typically contain between 1.16 4.0% caffeine by weight (based upon research provided by the Research Center of the Coffee Board of India).
