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.
In contrast, a latte macchiato is steamed and frothed milk marked with espresso that's poured over the top, and a caramel macchiato is a variation of a latte macchiato with vanilla syrup and caramel drizzle on top.t coffee college, Starbucks coffee masters set the record straight on the definition of this drink. Macchiato is simply Italian for marked, and typically refers to an espresso macchiato â an espresso shot that's been dotted with a dollop of frothed milk.