swiss-water-processing
regular coffee (drip method, 5oz) contains 60-180mg of caffeine, regular coffee (percolated, 5oz) contains 40-170mg of caffeine, regular coffee (instant, 5oz) contains 30-120mg of caffeine, decaffeinated coffee (drip method, 5oz) contains 2-5mg of caffeine, and decaffeinated coffee (instant, 5oz) contains