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Basic Analysis of barista training what is the Crema of Coffee

Basic Analysis of barista training what is the Crema of Coffee

What is Crema? How did it come about? During the roasting process, a large amount of carbon dioxide is produced in the coffee beans, most of which will be emitted during the cooling process, a few will continue to be kept inside, and the grinding will release these gases, so coffee must be made as soon as possible after grinding. When hot water hits coffee powder under high pressure, it will emulsify the insoluble oil of coffee powder and pass.

2014-10-08
How to make a good cup of coffee? & lt; II & gt

How to make a good cup of coffee? & lt; II & gt

Coffee powder thickness: Italian home espresso: medium to fine Italian espresso, machine-made Espresso halogen cup with seven grams of coffee and gently compacted, there should be a certain gap at the top, because the coffee will expand after immersion. Add water and observe the color of coffee oil (Crema) when it comes out of the coffee maker. When the coffee oil began to change from golden brown to white

2014-07-08
How to clean an espresso machine

How to clean an espresso machine

Cleaning Machine-Second Golden Rule-Coffee grease will stick to surfaces that coffee liquid will touch. Because of its chemical instability, the deposited oil quickly becomes bitter. When freshly brewed coffee comes into contact with these old oils, it will smell rancid. The bad news: American coffee shops have a common problem with dirty machines.

2015-05-25
Coffee bean roasting principle, fine coffee, general knowledge of coffee.

Coffee bean roasting principle, fine coffee, general knowledge of coffee.

The small, high-altitude raw Arabica coffee beans are like a warehouse full of chemicals. At present, scientists have identified more than 2, 000 known ingredients, of which 70 to 850 are aromatic ingredients, which can be called the most fragrant in the human diet. There are only 150 kinds of vanilla used for seasoning in the catering industry, and the mellow composition of wine is also far away.

2015-01-27
Principle of coffee bean baking basic knowledge of coffee bean

Principle of coffee bean baking basic knowledge of coffee bean

The small, high-altitude raw Arabica coffee beans are like a warehouse full of chemicals. At present, scientists have identified more than 2, 000 known ingredients, of which 70 to 850 are aromatic ingredients, which can be called the most fragrant in the human diet. There are only 150 kinds of vanilla used for seasoning in the catering industry, and the mellow composition of wine is also far away.

2015-04-14
The method of cleaning Espresso machine

The method of cleaning Espresso machine

As long as the coffee liquid touches the surface, the coffee oil will continue to stick to it. Because of its unstable chemical properties, the accumulated grease will soon become bitter. When freshly brewed coffee comes into contact with these old oils, it will smell rotten. The bad news is that there is a widespread problem of dirty machines in American cafes. The good news is: this problem is easy to solve, as long as you work hard

2014-08-30
The principle of roasting coffee beans the secret of baking coffee beans

The principle of roasting coffee beans the secret of baking coffee beans

The small, high-altitude raw Arabica coffee beans are like a warehouse full of chemicals. At present, scientists have identified more than 2, 000 known ingredients, of which 70 to 850 are aromatic ingredients, which can be called the most fragrant in the human diet. There are only 150 kinds of vanilla used for seasoning in the catering industry, and the mellow composition of wine is also far away.

2015-10-27
Coffee common sense making Espresso cleaning machine

Coffee common sense making Espresso cleaning machine

As long as the coffee liquid touches the surface, the coffee oil will continue to stick to it. Because of its unstable chemical properties, the accumulated grease will soon become bitter. When freshly brewed coffee comes into contact with these old oils, it will smell rotten. The bad news is that there is a widespread problem of dirty machines in American cafes. The good news is: this problem is easy to solve, as long as you work hard

2014-12-04
Introduction of coffee roasting stage introduction of coffee roaster introduction of roasting degree of different coffee beans

Introduction of coffee roasting stage introduction of coffee roaster introduction of roasting degree of different coffee beans

To sum up, coffee roasting is a science. The age, density, hardness and moisture content of raw beans will affect the quality of roasted coffee. Even the relative humidity and temperature on the day of roasting should not ignore the coffee beans that have just been roasted. It is best to put them for 2-5 days, so that a large amount of carbon dioxide out of the coffee beans will be easier to drink. Hong Kong Coffee Club will choose one-way breathable valve aluminum foil.

2016-07-19
How to better preserve coffee beans? coffee beans or coffee powder? how not to lose flavor?

How to better preserve coffee beans? coffee beans or coffee powder? how not to lose flavor?

We should know what is the enemy of coffee bean preservation, such as high temperature, humidity, oxygen and sunlight. Coffee beans are more durable than coffee powder, so we should maintain the principle of getting on the sedan chair and piercing our ears when grinding coffee. So where are the coffee beans suitable for storage? Sealed storage tanks for coffee beans are a good choice. There are two kinds of metal and plastic, the latter is cheaper. About

2016-01-06
Clean Italian coffee machine the second golden rule

Clean Italian coffee machine the second golden rule

As long as the coffee liquid touches the surface, the coffee oil will continue to stick to it. Because of its unstable chemical properties, the accumulated grease will soon become bitter. When freshly brewed coffee comes into contact with these old oils, it will smell rotten. The bad news is that there is a widespread problem of dirty machines in American cafes. The good news is: this problem is easy to solve, as long as you work hard

2015-02-28
Coffee bean roasting theory

Coffee bean roasting theory

Grab a handful of coffee raw beans smell, there is always a pungent smell, very different from the impression of the charming smell of coffee. However, after roasting "fragrance" correctly, raw beans will emit the strongest aroma in the world.

2014-08-26
Coffee bean roasting common sense coffee roasting tips

Coffee bean roasting common sense coffee roasting tips

Roasting secret: tip 1: to achieve the highest caramelization-caramelization is an important factor affecting coffee flavor, as raw beans will absorb a lot of heat when roasting, then there is the first explosive sound (1st cracking), at this time, the sugar begins to be converted into carbon dioxide, water continues to evaporate, and the aroma of coffee will gradually come out and form coffee oil. This pyrolysis reaction can last until

2016-06-13
How to make follicular coffee and hang earbags to taste good the changes of coffee grounds oil after brewing

How to make follicular coffee and hang earbags to taste good the changes of coffee grounds oil after brewing

The earbag of follicular coffee should be the integration of filter coffee at this stage. People who see this kind of earbag for the first time will think that it is a smart design. It puts the ground coffee powder into the inner filter bag, pulls open the movable ear next to it, hangs it on the edge of the coffee cup, and then brews it with hot water of about 85 degrees Celsius, which can easily filter out a cup with strong aroma.

2016-01-12
Bake Choice Flavor

Bake Choice Flavor

Baking must be even, the most important thing is to be able to cook beans evenly inside and out.

2014-06-20
Understand espresso and control crema oil to observe the quality and freshness of coffee beans from oil.

Understand espresso and control crema oil to observe the quality and freshness of coffee beans from oil.

Knowing more about crema can not only improve the ability of baristas to make coffee, but also help to improve the method of making espresso, so that guests who come to cafes can fully experience the charm of a perfect cup of coffee. Today, follow the Chongqing Barista barista barista training teachers into the espresso crema, in-depth understanding and control of espresso crema, promotion

2016-01-12
The aroma components of coffee are easy to dissipate. How to preserve the best aroma quality of coffee?

The aroma components of coffee are easy to dissipate. How to preserve the best aroma quality of coffee?

The aroma components tend to dissipate the rich aroma of fresh coffee when ground, inspiring poets for hundreds of years. In order to capture these aromas in coffee cups, all kinds of beautiful shapes and strange coffee machines have come out one after another, thus achieving this arduous super task. Why is it so difficult to make brewed coffee as fragrant as freshly ground coffee?

2016-01-18
Coffee roaster training and terminology how can coffee roasting produce oil coffee beans roast degree

Coffee roaster training and terminology how can coffee roasting produce oil coffee beans roast degree

After the end of the endothermic reaction stage and the first explosion, the heat-proof reaction is carried out immediately. The sound produced by the expansion effect produced by the preheating of raw beans during the first burst, the sound and time of bursting will vary with the variety, density and vitality of the endothermic reaction stage. Under the condition of high temperature baking, direct fire baking will occur 1 explosion in 7 minutes, while semi-hot air.

2016-06-24
Common problems and solutions when making espresso

Common problems and solutions when making espresso

To make espresso coffee, first check the roasting date of the coffee beans. If more than 3 weeks, then the coffee will be greatly reduced the mellow feeling. Second, check the water flow rate. If the flow rate is too slow, the coffee will become greasy and sharp. Remember, the coarser the ground coffee, the faster the water flow; the finer the ground coffee, the slower the water flow. At the same time, you

2015-01-05
How to preserve coffee beans correctly and how to add milk to coffee

How to preserve coffee beans correctly and how to add milk to coffee

How to add milk to the coffee? I also have a suggestion. The first choice: fresh milk. Imported brands are the best. Light cream, that's even more advanced. And the best. It is especially suitable for deep-roasted coffee like Manning. Second, no trans fat coffee partner, this kind of partner is only available abroad. I've never seen it in China. On the question of adding sugar. Uncle Dou suggested Ning.

2015-08-05
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