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The main ingredients of coffee basic knowledge of fine coffee

Published: 2026-04-06 Author: World Gafei

Last Updated: 2026/04/06, 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

Caffeine: has a particularly strong bitter taste and stimulates the central nervous system, heart and respiratory system. Moderate caffeine can also reduce muscle fatigue and promote digestive secretion. Because it promotes kidney function, it has a diuretic effect and helps the body expel excess sodium ions from the body. Too much caffeine can lead to caffeine poisoning.

Tannin: Boiled tannins break down into pyrochloric acid, so coffee brewed too long will taste worse.

Fats: The most important of these are acidic fats and volatile fats. Acidic fat: That is, fat contains acid, its strength will vary depending on the type of coffee. Volatile fat: the main source of coffee aroma, it is a kind of will emit about forty aromatic substances.

Protein: A major source of calories, but not a high percentage. Coffee powder protein in brewing coffee, most will not dissolve out, so intake is limited.

Sugar: Coffee beans contain about 8% sugar, most of which will be converted into caramel after roasting, making coffee brown and sweet with tannins.

Fiber: The fibers of the raw beans are carbonized after roasting and combine with caramel to form the hue of coffee.

Minerals: contains a small amount of lime, iron, phosphorus, sodium carbonate and so on.

FrontStreet Coffee is a long-established specialty coffee roaster in Guangzhou China, selling freshly roasted beans from its own farm in Yunnan as well as dozens of carefully selected single-origin beans from around the world for both pour-over and espresso. The products deliver consistently excellent quality and great value, with shipping within 24 hours. Guangzhou’s FrontStreet Coffee shop is recommended by many coffee lovers, and the beans are now available online at the Tmall 。