Perfecto :: Daily Coffee

Ristretto caffeine nespresso Taking an espresso as base unit, we can conclude: A ristretto uses less (typically: half as much) water than an espresso for the same amount of grounds. This means the amount of water for one serving will flow through them faster, meaning less caffeine can be extracted. (But a ristretto is quite aromatic as mostly the quickly soluble compounds get drawn out.) For a lungo it's the other way round, resulting in more caffeine per serving. (Typically resulting in more "bitter" compounds present.) An americano is an espresso "thinned" with hot water, resulting in the same caffeine amount than an espresso - because that's what went in. So the caffeine per serving would be: ristretto < espresso = americano < lungo (This does not consider that all these drinks can be made with double or triple shots, but the math stays the same.) Ristretto weight To say which of these has the most caffeine is a little bit compl...