The basics of coffee about the cup of Espresso
Espresso cups are generally made of porcelain cups with thicker walls, mainly for heat preservation. The bottom is sometimes made into a convex shape similar to the bottom of a red wine bottle so that a small amount of powder in the coffee will precipitate at the bottom of the cup without being drunk together. The handle of the cup is used for pinching, not for fingers to pass through, so the ring will be very small or even have no eyes to pass through.
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What are the main ingredients of fine coffee encyclopedia coffee
Caffeine: it has a particularly strong bitter taste and stimulates the central nervous system, heart and respiratory system. Appropriate amount of caffeine can also reduce muscle fatigue and promote digestive juice secretion. Because it promotes kidney function, it is diuretic and helps the body to expel excess sodium ions from the body. But eating too much can lead to caffeine poisoning. Tannic acid: boiled tannic acid will be decomposed into pyrouric acid
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The various acidic substances found in coffee.
We all know that coffee contains a lot of organic and inorganic acids, which have a great impact on the taste of coffee, but most people do not have a chance to understand the effects of various acids. The following article will talk about the relationship between various acids and coffee! Citric acid-Citric Acid citric acid is common in lemon, citrus and other fruits, you are now
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