Decaffeination of coffee seeds is finished when the seeds are still green. Lots of procedures can remove caffeine from coffee, but all contain either soaking the eco-friendly seeds in very hot h2o (normally known as the "Swiss water process")[107] or steaming them, then using a solvent to dissolve caffeine-containing oils. https://ninja54219.tnpwiki.com/6006201/coffee_things_to_know_before_you_buy