How Come An Espresso Shot Has Less Caffeine Than Your Regular Cup Of (Drip) Joe?

Question

Espresso around 70. A cup of drip around 100. You need like a fistful of ground to make a single shot of E but barely a spoonful for a cup of brew. Ya’ll?

In: Chemistry

Answer 1

Because you extract for much longer with drip coffee. After you brew an espresso, there’s still loads of caffeine left in those grounds. With drip coffee, you get much more of that caffeine in your cup.