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Common sense of Fine Coffee beans Chemical composition of coffee

Common sense of Fine Coffee beans Chemical composition of coffee

How many substances does a cup of coffee contain? Coffee extracted by traditional methods such as hand-brewing and Syphone contains more than 200 substances, while 1500 qualities can be extracted in an instant when using a Ruyi coffee machine and mocha pot. Unexpectedly, there are so many things in a cup of flavored water, the charm of coffee is made up of these substances. Coffee beans.

2015-01-04
The process of coffee extraction the relationship between grinding and extraction of coffee beans

The process of coffee extraction the relationship between grinding and extraction of coffee beans

From: Yun Fei private roaster (if you have a dream, take good care of her) 12:17:19 as a barista, you can't change the facilities in the store, such as the brand of the coffee machine, the choice of the water purifier, the temperature of the cooking head, the specifications of the powder bowl with the handle, which cannot be changed as an employee. But what best embodies the ability of a barista

2015-11-10
What is the harm of drinking instant coffee?

What is the harm of drinking instant coffee?

Instant coffee is produced by drying after extracting active ingredients from roasted coffee beans. In this process, some aromatic substances will inevitably be lost, so that the flavor and taste of the finished product is not as rich and pure as that of directly roasted coffee. The production process is generally as follows: pretreatment, roasting, grinding, extraction, concentration and drying, in which the pretreatment is to remove impurities, and the coffee bean contains substances in this process.

2016-06-05
Talk about making coffee and write to friends who don't know anything about coffee.

Talk about making coffee and write to friends who don't know anything about coffee.

Many young friends, including some old people, of course. They are very strange to coffee, and whenever they talk about making coffee, they find it very difficult to understand, thinking that it is a very skilled and complex activity. The Chinese tend to summarize the production of freshly ground coffee as a boiled word. Well, for these friends, I will try my best to introduce this question to you.

2014-10-10
The problem of descaling in Delong coffee machine (the cleaning key of descaling lamp keeps flashing red light) and its solution

The problem of descaling in Delong coffee machine (the cleaning key of descaling lamp keeps flashing red light) and its solution

First, why does the coffee machine need descaling? When we were young, we had some impression that when we boiled water in a kettle, the kettle would gradually be covered with layers of thick white substance, commonly known as water alkali, which actually refers to scale. We can imagine what it would be like if the scale of those white substances were formed in the boiler of the coffee machine. When the scale is formed, it will make the coffee

2015-12-29
Coffee roasting should master the yardstick

Coffee roasting should master the yardstick

Basically, the roasting of coffee is a kind of high temperature coking (Pyrolysis), which completely changes the substance inside the raw bean, produces new compounds, and recombines to form aroma and mellow flavor. This effect will only occur at high temperatures. If only low temperatures are used, it will not cause decomposition, no matter how long the coffee beans are not cooked.

2014-07-09
Talk about making coffee and write to friends who don't know anything about coffee.

Talk about making coffee and write to friends who don't know anything about coffee.

Many young friends, including some old people, of course. They are very strange to coffee, and whenever they talk about making coffee, they find it very difficult to understand, thinking that it is a very skilled and complex activity. The Chinese tend to summarize the production of freshly ground coffee as a boiled word. Well, for these friends, I will try my best to introduce this question to you.

2015-04-08
Analysis of Italian espresso oil Crema concentrated crema light color Italian blend blue mountain style

Analysis of Italian espresso oil Crema concentrated crema light color Italian blend blue mountain style

What is crema? Why did crema disappear? A series of complex chemical changes occur during coffee roasting to produce large amounts of carbon dioxide. Most of the carbon dioxide will be released naturally during the storage of ripe coffee beans, but more carbon dioxide will remain in the cell wall. The pump pressure correlation of 9 bar is the insoluble oil in emulsified coffee. actually

2016-07-11
How to correctly identify the main points of espresso?

How to correctly identify the main points of espresso?

Espresso is known as the soul of coffee, but it is not suitable to translate it into espresso in Chinese, because in addition, there is a stronger coffee that needs this name. For a coffee shop, a coffee shop that does not sell Espresso is not a coffee shop, which shows the importance of Espresso. Now Espresso has almost become a symbol of Italy, so it is defined by Italy.

2016-06-07
Boutique Coffee Common sense is drinking coffee beneficial or harmful?

Boutique Coffee Common sense is drinking coffee beneficial or harmful?

Leisure holiday life back to fast-paced work, office workers may find it difficult to adjust all of a sudden. At such times, people often think of coffee, which can fight fatigue and stimulate creativity. But at the same time, coffee makes many office women talk about it. Some people say that coffee is the killer of women. Below, the author has collected some recent research reports to teach you

2015-07-01
The consistency of Espresso coffee brings aroma and throat rhyme.

The consistency of Espresso coffee brings aroma and throat rhyme.

Espresso's thick and rhyming Espresso coffee tastes particularly thick, and its consistency comes from the consistency caused by carbon dioxide bubbles suspended in the coffee juice liquid and emulsified by a trigger gel when the water instantly flows through the coffee powder to the cup. These gelatinous substances inhibit the taste buds' sense of bitterness and make us feel special when drinking Espresso coffee.

2015-02-04
The consistency of Espresso coffee brings aroma and throat rhyme.

The consistency of Espresso coffee brings aroma and throat rhyme.

Espresso's thick and rhyming Espresso coffee tastes particularly thick, and its consistency comes from the consistency caused by carbon dioxide bubbles suspended in the coffee juice liquid and emulsified by a trigger gel when the water instantly flows through the coffee powder to the cup. These gelatinous substances inhibit the taste buds' sense of bitterness and make us feel special when drinking Espresso coffee.

2015-03-11
Detailed Analysis of Coffee Bean ingredients basic knowledge of Fine Coffee

Detailed Analysis of Coffee Bean ingredients basic knowledge of Fine Coffee

Moisture: the water content of coffee beans varies greatly with different processing stages and products. The moisture content of wet coffee beans with film is about 50%, while that of dried raw coffee beans is about 10%-13%. The water content of roasted coffee beans is only less than 5%. The existence of water in coffee beans is the same as other kinds of food and beverages, because it contains a considerable amount of hydration colloid macromolecules.

2015-06-06
Uncle Dou told you: why should coffee be

Uncle Dou told you: why should coffee be "brewed"? Why doesn't instant coffee need to be brewed?

Many young friends, including some old people, are very strange to coffee. Whenever they talk about making coffee, they find it very difficult to understand, thinking that it is a very skilled and complex activity. The Chinese tend to summarize the production of freshly ground coffee as a boiled word. So for these friends, the editor will try his best to introduce this question to you.

2015-07-28
Advantages and disadvantages of instant coffee instant coffee nutrition eliminates fatigue coffee bean flavor

Advantages and disadvantages of instant coffee instant coffee nutrition eliminates fatigue coffee bean flavor

Instant coffee is a dry coffee extract obtained by evaporating the water in the coffee extract. Instant coffee can dissolve in hot water quickly, and it takes up less space and volume in the process of storage and transportation, so it is more durable to store. As a result, instant coffee has gradually gained widespread popularity. So, what are the benefits and precautions of drinking instant coffee? Together with yjbys Junior

2016-03-15
About extraction and powder quantity

About extraction and powder quantity

Recently, I have encountered some problems with many friends about extraction. I will put my thoughts here first. For your reference and correction.

2014-06-12
How to judge a good espresso

How to judge a good espresso

The use of high-pressure and rapid coffee brewing method is called Espresso, that is, Espresso originally refers to a coffee brewing method, and later the coffee brewed by this brewing method is also called Espresso. A perfect cup of Espresso coffee is made with 7 grams of 8 grams of deep-roasted blended coffee beans, ground to a very fine powder, and properly pressed (20Kg)

2015-03-24
The expression of alcohol and strength in the analysis of coffee components

The expression of alcohol and strength in the analysis of coffee components

For coffee, the touch of the mouth and palate comes from fatty oil, a liquid ingredient insoluble in water, and a sediment suspended in coffee water after brewing. In addition to providing texture for the overall taste of coffee, suspended matter in coffee also affects the taste of coffee by forming colloids. 1.Fatty oil raw coffee beans contain 7% Mui 17% fat.

2015-09-16
How to drink coffee and how to drink it is correct.

How to drink coffee and how to drink it is correct.

French filter press (my favorite) I think the filter press can best show the original flavor and wild, its operation principle, directly brew coffee with hot water, and filter with iron mesh, almost extract all the substances that can be extracted, so it will form a cup of turbid coffee. And the flavor is very primitive and complicated. General high-quality coffee is very suitable for this brewing method. But

2016-05-27
Processing methods of coffee beans with low caffeine

Processing methods of coffee beans with low caffeine

CO2 low-caffeine treatment and other low-caffeine treatments are described as follows: at present, there are three ways to remove caffeine from coffee beans: 1. Water treatment can remove 9496% of the caffeine. 2. Chemical extraction method, early use of chloroform (Chloroform) and benzene (Benzene) as solvents to extract caffeine, and later understand that these chemicals cause cancer, and then gradually become other low-hazard chemicals.

2015-01-23
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