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Analysis of espresso
Espresso is not only stronger than filtered. It also has layers:
Crema
This is the golden brown surface of a photo, made up of proteins, oils and melanoids (a combination of sugars and amino acids). Not all coffee produces crema, which is also a controversial topic: some people think it's too bitter, while others think it's a sign of a good shot.
Liquid
This is the main part of espresso and brings sour and sweet taste. It can also be thought of as two different parts: BODY and HEART. The main part of the coffee is the middle part of the espresso, usually caramel. As the basis of espresso, it is usually a fuller, darker brown.
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