What's the Difference Between Light And Dark Roast Coffee?
During the roasting process of coffee beans, the caffeine content barely changes. Whether the bean is of light roast or dark roast does not determine its caffeine content necessarily, seeing as the difference between the two is a mere few seconds in the roaster.
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from Nick Uhas
Key Facts In This Video
During the roasting process of coffee beans, the caffeine content barely changes. (0:33)
The roasting temperature would have to exceed 600 degrees Fahrenheit in order to affect caffeine content. (0:43)
The difference between light and dark roast coffee beans is a mere few seconds. (1:30)