Italian coffee espresso tasting skills look at the appearance of Crema
Look at:
The standard amount of a perfect Single Espresso is to extract an ounce of coffee essence in 25 seconds.
Look at the appearance Crema:
A perfect Italian coffee espresso, the surface is always thick, brown red Krima crema, Krima crema is the protein, oil and other aromatic components extracted from the coffee under high pressure, is the essence of coffee concentrate.
Perfect espresso, perfect Krima crema must be at least as thick as 4mm, and can't be broken by blowing gently. In the case of correct operation, if it becomes yellowish, or even white, it means that the coffee has been put for too long, expired; floating on the surface of Krima crema can also judge the situation of espresso operation, if the color is a little yellowish, white, the amount of coffee is too fast, which indicates that the extraction pressure is too small, insufficient extraction, the need for finer grinding, tighter and more uniform filling pressure to increase the resistance of coffee cakes. If the color is too dark, the outflow is not coherent, or even drips out, which indicates that the extraction resistance is too high and the pressure is too high for the extraction transition, but for the whole cake, it is not enough extraction, which is caused by too fine powder, too tight powder and too much powder.
Smell:
The perfect espresso should have a pleasant aroma and should never have a charred taste. If there is a charred taste, it is a pity that what you drink is a cup of over-extracted espresso.
Product:
The perfect espresso should be thick, not simply bitter, but a combination of aroma or sour taste, which is mainly related to the variety and combination of coffee beans.
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The basic knowledge of Coffee Culture an important era in American Coffee History
People in Indian costumes (people dressed as Native Americans) throw boxes of tea overboard in the moonlit port of Boston, a famous event that led to the outbreak of the American War of Independence (Revolutionary War). 1652-the first coffee shop opened in England, when a cup of coffee cost a penny; now a cup costs Espresso
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Which do you prefer, coffee or tea? Do you prefer coffee or tea
Whether you prefer coffee or tea, you may have different answers. But if you think that coffee and tea are perceived only through taste, you are biased. Sometimes, the definition of culture goes far beyond taste. Let it integrate into life, become a way of life; let it stay in time, become a kind of history. Coffee time walks into Italy, Italy and coffee
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