How does the quality of espresso beans affect a cup of espresso concentrate?

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The taste of espresso mainly depends on coffee concentration, so coffee concentration occupies a very important position. The taste of coffee is affected by the amount of powder, degree of grinding, amount of extraction, extraction time and temperature.

Although there are many factors that determine whether a cup of coffee tastes good or not, the most important one is coffee beans. Good coffee comes from high quality coffee beans.

This is the same as most food. A fish that is not fresh, no matter how gorgeous it is to cook, must not be very delicious, but a fresh fish, steamed with ginger, is very delicious. The same is true of coffee, poor quality coffee beans, no matter how good brewing skills or utensils can not be saved, destined to only make bad coffee.

So, what are high-quality coffee beans? Recall that you have had coffee that tastes good in the past, which probably has two characteristics: first, it has a charming aroma, and second, it tastes good. Different varieties of coffee beans have different tastes, and personal preferences vary, of course, but the so-called high-quality coffee beans should be able to retain the aroma and flavor of the coffee as much as possible and emit it completely when it is brewed.