The usual temperature of espresso espresso is 90.5C
Espresso commonly used temperature: 90.5C
Forgetting who measured this temperature may be the result of a long trial, just like traditional Chinese medicine, rituals and experience all play a role. If the temperature is lower than this, espresso will become sour, while higher will be bitter. This is not fooling people casually. For a while, the temperature of my coffee machine dropped to more than 80 degrees, and the aftertaste of the espresso became very astringent. I thought it was the bean problem. Later, I used the temperature to measure the water temperature to find out the problem.
But 90.5 degrees is not a standard value, a senior brista will understand that air pressure and other factors can also affect coffee, high altitude areas will increase a small temperature to match coffee beans, and French filter pot coffee making, the temperature will often be as high as 95 degrees. So don't trust coffee drinkers who spread the temperature as if it were a Bible.
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The aroma of hand-brewed coffee is the life of coffee quality
Aroma: Aroma is the life of coffee quality, but also the best performance of coffee production process and roasting technology, the climate of the production place, elevation, variety, refining treatment, harvest, storage, whether the roasting technology of the consumer country is appropriate, etc., are the conditions that control the aroma of coffee beans. The aroma of coffee was proved to be composed of acids, alcohols, aldehydes, ketones, esters, sulfur compounds,
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Espresso coffee beans come from beans commonly used in Espresso.
Espresso commonly used beans we know that coffee beans are generally divided into Arabica and Robusta, the former is usually more advanced, the latter is promoted because the latter is easy to feed, like weeds with strong vitality. The former is not only usually raised at high elevations, but also vulnerable to insect pests. Robusta is usually the main ingredient of instant coffee.
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