Hot summer, coffee control are increasingly dissatisfied with the hot coffee, whether it is packaging coffee drinks or home-made, ice-cold coffee gradually attract people's attention, coffee valve to teach you to distinguish between the cold, drops, cold boil these kinds of ice coffee.
Iced coffee, refers to the rapid extraction of ground coffee with hot water, and then add ice cooling coffee, it belongs to the hot extraction method. Production takes about 2-3 minutes. Ice coffee is usually produced in two ways: shrinking outside method and shrinking inside method. The outer shrinkage is about to brew a good cup of hot coffee, into the coffee pot, into the cold water cooling, and then placed in the refrigerator. Shrink method is to add crushed ice in the glass, and then pour the cooked hot coffee, rapid cooling.
Cold coffee refers to cold water below 5 ℃ for a long time low temperature soaking coffee powder, waiting for fermentation, about 8-12 hours, after the coffee residue filter net. This method is simple and easy to operate at home. Cold coffee sweetness, smoothness will increase, reduce acidity.
Ice drip coffee is the use of natural water droplets of ice, drip out of coffee. Ice drip coffee due to low temperature, the role of a single external, extraction time, about 4 to 6 hours. Good ice drip coffee can continue to ferment at low temperatures, better flavor.
Coffee extracted with cold water and coffee extracted with hot water can maximize the flavor and aroma of coffee while softening the sourness and bitterness. Because cold red coffee is not easy to oxidation, it can inhibit the emergence of sour taste. If you want to give a taste of the three kinds of ice coffee to make a contrast, then drip coffee stronger than cold coffee, cold coffee is stronger than ice coffee.