Espresso Why blend? Should sugar be added to espresso?

Professional coffee knowledge exchange More coffee bean information Please pay attention to coffee workshop (Weixin Official Accounts cafe_style)
Espresso is mixed with beans in order to increase the richness and harmony of taste, but it is not absolutely necessary, but espresso is extracted with hot water and pressure. If you drink it directly without stirring, the water-soluble components and fat-soluble components will be separated, and the taste will not be smooth.
Espresso coffee is extracted with hot water and pressure, so in addition to the water-soluble components, some fat-soluble components will be extracted. Water-soluble ingredients are heavier, so they sink to the bottom as coffee liquid, while fat-soluble ingredients float to the top as foam. Crema, the ingredient in this foam form, contains many components that influence aroma, consistency and texture. The water-soluble ingredients that sink below are mainly substances that make the tongue feel the taste. In short, crema is responsible for the aroma part and extract for the taste part.
If you drink it without stirring, the water-soluble and fat-soluble components will be separated. Stir or shake the ingredients of espresso coffee before drinking, so that you can feel rich and harmonious taste and aroma. So espresso always comes with a spoon.
Should there be sugar in espresso?
Espresso is a matter of personal preference. However, adding sugar to the rich crema, watching the sugar slowly sink, while fantasizing about the rich taste of coffee, is also a happy experience--
Sugar can also be used to judge crema abundance: carefully put a spoonful of sugar on crema, do not let crema be broken, if the sugar stays for 2- 3 seconds, slowly wet from the edge, slowly sink, crema is very abundant.
Since sugar reduces the bitterness of coffee, the sourness that was originally masked by bitterness will be highlighted at this time because the bitterness is reduced, making the impression of coffee more advanced. And sugar can make coffee texture become mild, can be said to be an excellent helper coffee.
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Is the espresso Crema as much as possible? Does espresso have to be mixed with beans?
Professional coffee knowledge exchange more coffee bean information Please pay attention to the coffee workshop (Wechat official account cafe_style) Italian espresso will be mixed beans, in order to increase the richness and harmony of the taste, but not absolutely necessary, but the Italian espresso is extracted with hot water and pressure, if you drink directly without stirring, the water-soluble and fat-soluble ingredients will be separated and drunk.
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