How much do you know about coffee stories?

Published: Sep 08, 2026 Author: World Gafei Last Updated: Sep/08/2026 214 views

The main ingredient of coffee the fiber of raw beans will be carbonized after baking and combine with caramel to form the hue of coffee. The main source of protein calories, the proportion is not high. Most of the protein in coffee powder will not dissolve out when brewing coffee, so the intake is limited. Sugar coffee raw beans contain about 8% sugar, most of which are converted into caramel after baking.

The main components of coffee

fiber

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

protein

The main source of calories is not a high proportion. Coffee powder protein in brewing coffee, most will not dissolve out, so intake is limited.

sugar

Green coffee beans contain about 8% sugar, most of which will be converted to caramel after roasting, making coffee brown and combining with tannins to produce sweetness.

minerals

Contains a small amount of lime, iron, phosphorus, sodium carbonate and so on.

caffeine

It 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.

tannic acid

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

fatty

The most important of these are acidic fats and volatile fats.

acid fat

That is, fat contains acid, and its strength varies according to the type of coffee.

volatile fatty

is that main source of coffee aroma, a compound that emit about forty aromatic substances

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 。