Coffee review

Analysis of the components of Fine Coffee beans

Published: 2026-04-08 Author: World Gafei
Last Updated: 2026/04/08, Fat: there are many kinds of fat in coffee, the most important of which are acidic fat and volatile fat; acidic fat refers to the presence of acid in fat, and its acidity varies with different types of coffee. Volatile fat is the main source of coffee aroma, emitting 40 aromatic substances, is a very complex and subtle ingredient. Sugar: coffee beans contain about 8% sugar

Fat:

There are many kinds of fat in coffee, and the most important of them are acidic fat and volatile fat; acidic fat refers to the acid contained in fat, and its acidity varies according to different types of coffee. Volatile fat is the main source of coffee aroma, emitting 40 aromatic substances, is a very complex and subtle components.

Sugar:

Coffee beans contain about 8% sugar, most of which is converted to caramel after roasting, giving coffee its distinctive brown color.

Essence:

It can be divided into several kinds, accounting for nearly one-third of baked beans.

caffeine

Caffeine is the most noticeable of all ingredients. Its role is extremely extensive, will affect the human body's brain, heart, blood vessels, gastrointestinal, muscle, kidney and other departments for the position. Moderate caffeine will stimulate the cerebral cortex, promote sensory, judgment, memory, emotional activities, so that cardiac function becomes more active, vasodilation blood circulation enhanced, and improve metabolic function. Caffeine can also reduce muscle fatigue and promote digestive secretion. In addition, it also promotes kidney function and helps the body to expel excess sodium ions from the body. Therefore, under the improvement of diuretic effect, caffeine is not accumulated in the body like other narcotic and excitatory substances, and will be excreted in about two hours.

Tannin:

After extraction, tannin will turn into a pale yellow powder, which is easily dissolved in water. Once boiled, it will decompose to produce coke acid, which will make coffee taste worse.

Minerals:

Lime, iron, sulfur, phosphorus, sodium carbonate, chlorine, etc., but because the proportion is not high, so the impact of coffee flavor is not large, combined with only a little astringent taste.

Crude fiber:

The fibers of the raw beans are carbonized after baking. This caramelization of carbon and sugar combines to form the hue of coffee, but the powdered fiber can have a considerable impact on coffee flavor.

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 。

Important Notice :

前街咖啡 FrontStreet Coffee has moved to new addredd:

FrontStreet Coffee Address: 315,Donghua East Road,GuangZhou

Tel:020 38364473

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