Carbonic anhydrase 1 is an enzyme that in humans is encoded by the CA1 gene. Carbonic anhydrases are a large family of zinc metalloenzymes that catalyze the reversible hydration of carbon dioxide.
It is becoming more common that the latte macchiato will have a layer of milk foam on the top of the drink as well. A latte is steamed milk, espresso, and a 1/4 inch of foam ontop. It is prepared in this order: flavored syrup (if applicable), espresso, steamed milk, topped with 1/4 inch of foam.
â¢ In coffee drinks, latte means coffee mixed with milk, while macchiato means coffee with a milk âstainâ. â¢ In latte, the addition of milk was used for its flavor and the artwork on top with milk foam is for visual presentation whereas, in macchiato, milk is added for visual presentation.