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Roasting technology of boutique coffee reactions and changes in the roasting process of coffee

Roasting technology of boutique coffee reactions and changes in the roasting process of coffee

Coffee roasting (coffee roasting) means that through heating raw beans, starch in raw beans is converted into sugars and acids at high temperature, substances such as cellulose will be carbonized to varying degrees, water and carbon dioxide will be volatilized, proteins will be converted into enzymes and fats, and the remaining substances will be combined to form an oil film on the surface of coffee beans, and in the process coffee acids will be formed.

2015-01-08
The interpretation of coffee content makes you know more about coffee.

The interpretation of coffee content makes you know more about coffee.

Tannic acid: after extraction, tannin will turn into a yellowish powder, which can easily blend into water. After boiling, it will decompose and produce pyrosylic acid, which will make the coffee taste worse. If the coffee is soaked and left for several hours, the color of the coffee will become stronger than when it was just soaked, and it is not tasty enough, so there is a saying that it is best to finish it as soon as possible. Fat: the fat in coffee, in flavor.

2015-10-16
The nutritional composition of coffee beans introduces the taste of Irish coffee

The nutritional composition of coffee beans introduces the taste of Irish coffee

The nutrient caffeine is the most eye-catching of all the ingredients in coffee. It is a kind of phytoflavin (animal muscle ingredient). Its properties are the same as theobromine in cocoa, green tea contains the same theophylline, and the percentage of reduction after baking is very small. Caffeine has a wide range of effects. It can accelerate the metabolism of the human body and keep people clear-headed and sensitive. Coffee

2016-06-12
The knowledge of espresso,

The knowledge of espresso,

I think one of the 4 groups of spaces is particularly good to share. I hereby send it to the forum for everyone to share it. The article comes from: 4 groups: Hilton-Shijiazhuang 1. Italian professional coffee machines are divided into four types according to the brewing and heating system of boilers. They are single boiler system, parent boiler system, double boiler system and multiple boiler system. Four different boiler brewing heating systems

2014-08-28
Uncle Coffee taught you to make a good cup of coffee.

Uncle Coffee taught you to make a good cup of coffee.

If we want to make a good cup of coffee, we have already mentioned the importance of choosing beans and the ways to preserve them. But to have good beans also requires good skill to brew a cup of mellow coffee. Although you and I are not professional coffee brewers, we only need to master a few key points to avoid drinking coffee that tastes bad. GQ asked Uncle Coffee to untie us this time.

2015-05-20
In the future, coffee will have an unexpected flavor innovation that changes the focus of innovation.

In the future, coffee will have an unexpected flavor innovation that changes the focus of innovation.

Stumptown (Stapleton): in my opinion, hot coffee has been the focus of innovation in the past decade, especially with a lot of flavor innovation. However, in the past few years, cold coffee has also become popular. Three weeks ago, we held a cold coffee competition at the coffee headquarters in Stapleton, where roasters and baristas from the northwest demonstrated their creation.

2016-01-06
The exhaust of Coffee-scented Coffee and the skills of cultivating beans

The exhaust of Coffee-scented Coffee and the skills of cultivating beans

Beans are not as fresh as possible, so why should they be kept? Will coffee beans taste better after sitting for a few days? When it comes to raising beans, first of all, there will be the so-called exhaust atmosphere when coffee beans are roasted, that is to say, the volume of coffee beans will expand when roasted, and the expanding space in coffee beans contains carbon dioxide. Over time, this carbon dioxide will also break away from the coffee beans. That's why coffee beans need to be used.

2015-10-12
Production method and nutritional composition of coffee beans

Production method and nutritional composition of coffee beans

Production method Coffee beans Coffee beans after harvest to the market before shipping to remove the skin, pulp, sesame peel and silver skin. There are two kinds of methods: drying (also known as natural or non-washing) and washing. The drying method is relatively simple. First of all, spread the freshly harvested fruit on the sun field for a week or two until the fruit crackles and dries naturally. After that

2016-06-01
The interpretation of coffee ingredients makes you better understand the taste of coffee.

The interpretation of coffee ingredients makes you better understand the taste of coffee.

Tannic acid: after extraction, tannin will turn into a yellowish powder, which can easily blend into water. After boiling, it will decompose and produce pyrosylic acid, which will make the coffee taste worse. If the coffee is soaked and left for several hours, the color of the coffee will become stronger than when it was just soaked, and it is not tasty enough, so there is a saying that it is best to finish it as soon as possible. Fat: the fat in coffee, in flavor.

2014-12-31
The basic knowledge of coffee beans what are the ingredients of coffee beans? Caffeine and eggs in coffee beans

The basic knowledge of coffee beans what are the ingredients of coffee beans? Caffeine and eggs in coffee beans

Caffeine is the most eye-catching of all the ingredients in coffee. It is a kind of phytoxanthin (animal muscle component). It has the same properties as theobromine contained in cocoa, green tea contains the same theophylline, and the percentage of reduction after baking is very small. Caffeine has a very wide range of effects. will affect the human brain, heart, blood vessels, gastrointestinal, muscle and kidney and other parts, the right amount of caffeine

2016-04-07
The main ingredients of a cup of strong coffee

The main ingredients of a cup of strong coffee

Caffeine: caffeine is the most eye-catching of all the ingredients in coffee. It belongs to a kind of phytoxanthin (animal muscle component). It has the same properties as theobromine contained in cocoa, green tea contains the same theophylline, and the percentage of reduction after baking is very small. Caffeine has a very wide range of effects. will affect the human brain, heart, blood vessels, gastrointestinal, muscle and kidney and other parts, the right amount of coffee

2015-02-04
Selection and purchase skills of Coffee Bean Grinder

Selection and purchase skills of Coffee Bean Grinder

For many beginners in coffee, choosing a bean grinder may be a headache. Whether to choose a manual coffee grinder or an electric coffee grinder. Today, I will introduce the selection and purchase skills of the coffee grinder to the coffee novice. Understand the coffee grinder purchase skills, for everyone to choose a practical coffee grinding opportunity is helpful. Coffee tastes good or bad, not only

2015-02-06
Coffee bean processing coffee washing method or drying method is better

Coffee bean processing coffee washing method or drying method is better

The refined processing of coffee beans has about 8 processes, such as rough processing, separation, classification, fermentation, drying, shelling, polishing, sorting and so on. There are two ways to prepare coffee beans for the baking process. The method chosen has a significant impact on the final value and quality of coffee. The cheapest processing method is called drying, which is used for lower grade coffee beans and higher quality coffee beans.

2015-11-04
The interpretation of the ingredients of fine coffee makes you know more about coffee.

The interpretation of the ingredients of fine coffee makes you know more about coffee.

Tannic acid: after extraction, tannin will turn into a yellowish powder, which can easily blend into water. After boiling, it will decompose and produce pyrosylic acid, which will make the coffee taste worse. If the coffee is soaked and left for several hours, the color of the coffee will become stronger than when it was just soaked, and it is not tasty enough, so there is a saying that it is best to finish it as soon as possible. Fat: the fat in coffee, in flavor.

2015-03-14
What are the main ingredients of a cup of espresso?

What are the main ingredients of a cup of espresso?

Caffeine: caffeine is the most eye-catching of all the ingredients in coffee. It belongs to a kind of phytoxanthin (animal muscle component). It has the same properties as theobromine contained in cocoa, green tea contains the same theophylline, and the percentage of reduction after baking is very small. Caffeine has a very wide range of effects. will affect the human brain, heart, blood vessels, gastrointestinal, muscle and kidney and other parts, the right amount of coffee

2015-05-04
Be careful: drinking more coffee will affect women's fertility.

Be careful: drinking more coffee will affect women's fertility.

With the warming of the climate and the acceleration of the pace of work and life, many friends unwittingly have a "spring sleepy". They can't sleep at night and can't wake up during the day.

2014-06-11
Open a coffee shop (3)

Open a coffee shop (3)

Open a coffee shop (3) OK, now that we have a good cup of coffee, what are we going to do next? We think we should confirm our sexuality! Don't talk about it, it's not sexual orientation. We need to make sure that we can make coffee for others, especially strangers! We understand that we are not willing to "serve" others! This

2014-09-01
The importance of correct Grinding of Coffee

The importance of correct Grinding of Coffee

The importance of correct grinding of coffee the finer the degree of grinding, the stronger the bitterness, the thicker the degree of grinding, the weaker the bitterness. This is the basic law of immutability. This is caused by the different amount of hot water covering the surface area of coffee powder, so we can know the relationship between the extraction apparatus and the grinding degree of coffee powder. Espresso, for example, grinds deeply roasted beans and uses a semi-automatic coffee machine to extract them in a short period of time.

2016-06-12
Boutique coffee the main ingredients of a cup of espresso

Boutique coffee the main ingredients of a cup of espresso

Caffeine: caffeine is the most eye-catching of all the ingredients in coffee. It belongs to a kind of phytoxanthin (animal muscle component). It has the same properties as theobromine contained in cocoa, green tea contains the same theophylline, and the percentage of reduction after baking is very small. Caffeine has a very wide range of effects. will affect the human brain, heart, blood vessels, gastrointestinal, muscle and kidney and other parts, the right amount of coffee

2014-12-05
What are the coffee brewing methods and steps?

What are the coffee brewing methods and steps?

Flannel Filter Brewing Flannel Filter Brewing-Maximize the flavor of coffee brewed with flannel filter, the most mellow and delicious coffee. Do not filter the finishing and storage to pay special attention, otherwise the coffee taste will be low. steam pressure coffee maker steam pressure coffee maker Italian flavor steam pressure coffee maker characterized by utilizing steam pressure to instantaneously

2016-06-13
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