Crema is a golden foam composed of oils, proteins, and sugars, which floats on the surface of espresso coffee. It is a key component in the flavor of espresso. It has elements of both emulsion and colloid.
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... median income for a household in the town is $69,819, and the median income for a family is $80,952. Males have a median income of $53,125 versus $36,008 for females. ...