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What can Crema of Espresso tell us?

What can Crema of Espresso tell us?

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, and a few will continue to be kept internally, and these gases will be released when the coffee powder is ground, so coffee must be made as soon as possible after grinding. When hot water strikes coffee powder under Espresso pressure, it will emulsify the insoluble oil of coffee powder and at the same time, it will be supersaturated.

2015-01-05
What can Espresso's Crema tell us?

What can Espresso's Crema tell us?

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, and a few will continue to be kept internally, and these gases will be released when the coffee powder is ground, so coffee must be made as soon as possible after grinding. When hot water strikes coffee powder under Espresso pressure, it will emulsify the insoluble oil of coffee powder and at the same time, it will be supersaturated.

2015-01-15
What can Espresso's Crema tell us?

What can Espresso's Crema tell us?

During the roasting process, a large amount of carbon dioxide will be produced in the coffee beans, most of which will be emitted during the cooling process, and a small amount will continue to be stored inside. These gases will be released when grinding the coffee powder, so it is necessary to make coffee as soon as possible after grinding. When hot water hits the coffee powder under high pressure, it emulsifies the insoluble fats of the coffee powder and at the same time, it dissolves in supersaturation.

2015-07-27
What can the Crema of Espresso learn from boutique coffee?

What can the Crema of Espresso learn from boutique coffee?

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, and a few will continue to be kept internally, and these gases will be released when the coffee powder is ground, so coffee must be made as soon as possible after grinding. When hot water strikes coffee powder under Espresso pressure, it will emulsify the insoluble oil of coffee powder and at the same time, it will be supersaturated.

2014-10-25
Barista training knowledge the concept and principle of Coffee Grinding

Barista training knowledge the concept and principle of Coffee Grinding

The operation of crushing roasted coffee beans is called grinding. The ideal time to grind coffee is to grind it before cooking. Because ground coffee is easy to oxidize and lose its flavor, especially without proper storage, coffee powder is also easy to change flavor, so it is naturally impossible to cook mellow coffee. Some people are afraid of trouble or don't want to buy more bean grinders. They usually buy coffee at home.

2014-12-30
What can the Crema of Espresso tell us about coffee basics?

What can the Crema of Espresso tell us about coffee basics?

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, and a few will continue to be kept internally, and these gases will be released when the coffee powder is ground, so coffee must be made as soon as possible after grinding. When hot water strikes coffee powder under Espresso pressure, it will emulsify the insoluble oil of coffee powder and at the same time, it will be supersaturated.

2014-10-28
Barista knowledge the concept and principle of Coffee Grinding

Barista knowledge the concept and principle of Coffee Grinding

The operation of crushing roasted coffee beans is called grinding. The ideal time to grind coffee is to grind it before cooking. Because ground coffee is easy to oxidize and lose its flavor, especially without proper storage, coffee powder is also easy to change flavor, so it is naturally impossible to cook mellow coffee. Some people are afraid of trouble or don't want to buy more bean grinders. They usually buy coffee at home.

2014-10-09
Coffee knowledge the concept and principle of Coffee Grinding

Coffee knowledge the concept and principle of Coffee Grinding

The operation of crushing roasted coffee beans is called grinding. The ideal time to grind coffee is to grind it before cooking. Because ground coffee is easy to oxidize and lose its flavor, especially without proper storage, coffee powder is also easy to change flavor, so it is naturally impossible to cook mellow coffee. Some people are afraid of trouble or don't want to buy more bean grinders. They usually buy coffee at home.

2014-11-22
Discussion on extraction area and time of Coffee

Discussion on extraction area and time of Coffee

In this article, I will talk about how to increase and decrease the amount of coffee at the theoretical level.

2015-03-11
A brief talk on the Story of Milk Coffee and Milk

A brief talk on the Story of Milk Coffee and Milk

Before combing the conclusion, the spectators who need to come in should first understand the following three concepts. Emulsification is a very old concept used in espresso, but only one result of emulsification is given. in fact, oil and some fat-soluble, insoluble substances are extracted under high pressure and used as a surface agent by proteins and other strange things in coffee, making these lipids suspended in

2015-09-10
Consciousness, coffee knowledge | Secrets in coffee Crema

Consciousness, coffee knowledge | Secrets in coffee Crema

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

2015-11-09
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
The concept and principle of Coffee Grinding basic knowledge of Coffee

The concept and principle of Coffee Grinding basic knowledge of Coffee

The operation of crushing roasted coffee beans is called grinding. The ideal time to grind coffee is to grind it before cooking. Because ground coffee is easy to oxidize and lose its flavor, especially without proper storage, coffee powder is also easy to change flavor, so it is naturally impossible to cook mellow coffee. Some people are afraid of trouble or don't want to buy more bean grinders. They usually buy coffee at home.

2015-10-15
General knowledge of boutique coffee the concept and principle of coffee grinding

General knowledge of boutique coffee the concept and principle of coffee grinding

The operation of crushing roasted coffee beans is called grinding. The ideal time to grind coffee is to grind it before cooking. Because ground coffee is easy to oxidize and lose its flavor, especially without proper storage, coffee powder is also easy to change flavor, so it is naturally impossible to cook mellow coffee. Some people are afraid of trouble or don't want to buy more bean grinders. They usually buy coffee at home.

2015-03-16
Espresso extraction time and area the most standard time and pressure of espresso extraction

Espresso extraction time and area the most standard time and pressure of espresso extraction

In this article, I will talk about how to increase and decrease the amount of coffee at the theoretical level.

2016-01-18
China Coffee Network teaches you coffee bean extraction area and extraction time what water can extract and when to boil.

China Coffee Network teaches you coffee bean extraction area and extraction time what water can extract and when to boil.

There are many factors that affect coffee extraction. Baristas need to control these factors reasonably before they can get the perfect coffee and produce the taste they want. today, the barista barista training teacher in Chongqing will tell you about controlling the time and area of coffee extraction to meet the extraction requirements. Extraction time and extraction area are at any time

2016-04-05
On the important factors affecting the extraction area and extraction time of coffee powder on a good cup of coffee

On the important factors affecting the extraction area and extraction time of coffee powder on a good cup of coffee

There are many factors that affect coffee extraction. Baristas need to control these factors reasonably before they can get the perfect coffee and produce the taste they want. today, the barista barista training teacher in Chongqing will tell you about controlling the time and area of coffee extraction to meet the extraction requirements. Extraction time and extraction area are at any time

2016-01-12
Coffee grinders should pay attention to what

Coffee grinders should pay attention to what

The ideal time to grind coffee is before it is cooked. Because ground coffee is easy to oxidize and lose flavor, especially in the absence of proper storage, coffee powder is also easy to change flavor, naturally unable to brew a fragrant coffee. Some people are afraid of trouble or do not want to buy a grinder, usually at home to drink coffee to buy ready-made ground coffee powder, then pay special attention to storage

2016-05-26
Italian Coffee making course: explanation of extraction area and extraction time of Coffee Powder

Italian Coffee making course: explanation of extraction area and extraction time of Coffee Powder

There are several variables that can be adjusted for extraction, the two most important of which are extraction time and extraction area. In any way of cooking, these two variables are closely related and inseparable, and you can't change one variable without touching the other. Extraction time (Time) if you increase the contact time between water and coffee powder, more flavors will be extracted.

2015-12-22
The method of brewing coffee beans introduces the technique of pressing coffee powder.

The method of brewing coffee beans introduces the technique of pressing coffee powder.

The brewing of coffee beans dissolves the water-soluble components of ground coffee in any way. this process can be called brewing or extraction, just like coffee beans, no one is flawless, and the extraction of coffee is the same. no method is flawless. In a cup of coffee, water accounts for more than 98%. Choosing the appropriate water quality is the first condition for brewing coffee.

2016-06-13
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