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!

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Circular Plastics Economy
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Circular Plastics Economy

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