Decide the characteristics of macchiato coffee four flavors and one fragrance

All the colors, aromas and flavors of macchiato coffee are characteristic of the chemical changes that occur in the green beans after roasting. Bitterness: Caffeine, one of the basic taste elements of coffee. Acidity: Tannin, the second essential taste element of coffee. Espresso: Strong, aromatic taste of coffee. Sweetness: Sugar in coffee beans when roasted