The real question isn't how much caffeine do the tea leaves contain, but how much of it migrates into the water during steeping. My understanding is that the p

The real question isn't how much caffeine do the tea leaves contain, but how much of it migrates into the water during steeping. My understanding is that the preparation of the tea (drying process, water temperature, steeping time, first vs second infusion, etc) has as much to do with the final caffeine content as the leaves themselves.