How Much Caffine Is in Coffee?

Coffee industry has been opposed to putting caffine measurements on their products. Different species produce different caffin contents, and then in the brew process, caffine's highly water soluble. If you don't do a great job brewing the coffee, you won't actually get all the caffine out. The limits to day are about 27 degrees north and south the equator. So you can find it reading in many places in india, eastern africa, but also in south east asia.