28.10.2014 • Topics

Espresso Crema

Espresso Crema
Espresso Crema

Espresso must be topped by a foamy, reddish-brown, consolidated surface layer called crema. This metastable foam with a specific lifetime of ≤ 40 min is a marker of quality for expresso. But: what does the crema consist of and how is it formed? ChemistryViews.org explains this phenomenom. Find out here and surprise your colleagues with your knowledge during the next coffee break!

most read