Crema Coffee Garage and the University of Newcastle have released a report measuring the caffeine content of coffee when prepared via different brewing methods. Espresso was found to have the highest concentration, which extracted 4200 milligrams of caffeine per litre.
“While caffeine analysis of espresso has been explored, we found there was little information that showcased caffeine content in other methods and even fewer resources contextualised that data for the Australian market and consumers,” Crema Coffee Garage Project Manager Ravelle King says.
“The results of this study are a guide to understanding which brew methods produce more or less caffeine, allowing consumers to make more informed decisions about how they consume coffee.”
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