Espresso extraction standard and time how to extract the perfect espresso
Espresso is a kind of strong coffee with high aroma and is obtained by infiltration under pressure, that is, it is made by quickly transferring hot water by roasting coffee under the pressure of 9 bar.
In general, espresso extraction standards, a good espresso must meet the following requirements:
The presets of these instructions may vary from machine to machine, with an extraction time of 23 to 26 seconds
36 to 40ml Krima
Pressure of 9 bar
Some machines show pressures of 15 bar and 19 bar. Why does the pressure of the machine exceed 9 bar, while the professional espresso machine runs at 9 bar? The reason is simple: they increase pressure to use a mixture of foam and foam, and have to do so, because coffee is ground very often in advance and does not have the performance of freshly ground coffee.
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Characteristics and taste of all kinds of coffee beans recommended for the best boutique coffee beans in the world
With regard to the best boutique coffee beans, opinions vary among different people, and personal preferences are the biggest. For example, some people like the mellow and sour nature of Kenyan coffee rather than the classic balance of Colombian coffee. Some like the floral smell of citric anhydride, while others like Manning's herbal mellow.
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How to select coffee beans novice coffee beans introduce and recommend coffee flavor characteristics in different countries
For the selection of coffee beans, of course, the choice of different coffee beans depends on individual preferences. I believe many people have been to Starbucks, and some people may not like Starbucks' homemade coffee, so choose light-colored dried beans, which have a smoother taste. If you like Starbucks coffee, choose deep-baked coffee.
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