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Coffee bean extraction area and extraction time self-brewing coffee training school

Coffee bean extraction area and extraction time self-brewing coffee training school

If you increase the contact time between water and coffee powder, more flavor substances will be extracted. If the water comes into contact with the coffee long enough, the extraction will continue until no more is dissolved. All we have to do is to find out when the extraction reaches the best flavor value. With regard to the variable of extraction time, there are actually two different aspects that need to be considered separately.

2016-07-29
Milk, Sugar and Coffee Grinding Coffee Powder spaghetti with beans Caf é lattes

Milk, Sugar and Coffee Grinding Coffee Powder spaghetti with beans Caf é lattes

The degree of grinding of coffee will also affect the bitterness of coffee. If the coffee powder is too coarse, the coffee will not be extracted enough, resulting in the coffee taste too light; if too fine, the extraction of soluble substances in the coffee is too high, the coffee taste will be more bitter. In order to make the perfect coffee, you must find the best balance between the two. Milk, sugar and coffee. If there's nothing you can do, you can still use cattle.

2016-07-12
How to make a cup of espresso or American espresso with a concentrator?

How to make a cup of espresso or American espresso with a concentrator?

The production technology of espresso has beans and suitable equipment, and finally there are human factors that we can control. Because the extraction conditions of espresso are very extreme, there are slight changes in the process of making espresso. Finally, the coffee cup will be several cups, dozens of times or even hundreds of times magnification, reflected in the feeling after the entrance is very strong and unbearable.

2016-03-29
Coffee machine common sense Italian coffee grinder data collation 2

Coffee machine common sense Italian coffee grinder data collation 2

There are more words described here, which will be boring compared with the evaluation of coffee and flower drawing in the past. But as far as I understand it, it is the most important part of coffee extraction. At the same time, after writing this diary, it can be regarded as a paragraph on the exposition of coffee from the perspective of scientific theory. Not as a barista, this is the end of the knowledge, in fact, there are many ways to improve coffee

2014-10-14
Italian style Coffee introduces American Coffee

Italian style Coffee introduces American Coffee

Black coffee is a little thankless compared to a latte. (Americano, Long Black Lungo) A cup of Italian concentrate uses a variety of ways to heat water, there are many factors to consider and there is no visual sense like latte flower. How to describe the flavor can only be seen and not drunk. But even so, I think black coffee comes from people who like milk coffee.

2014-10-14
Effect of Coffee extraction and stirring on Coffee

Effect of Coffee extraction and stirring on Coffee

In my opinion, making coffee is a very small thing, and it's always fun to forget the form and try new ways. The way of stirring and cooking is simple, common and cool. The main results are as follows: 1, in the steaming stage, the amount of water is the standard of direct water injection, while in the later stage, the amount of water is 50 grams (corresponding to 20 grams of powder).

2016-05-31
[how to make a good cup of coffee]-- eight factors affecting coffee flavor

[how to make a good cup of coffee]-- eight factors affecting coffee flavor

⑴ raw beans are of high quality in season because we all know that freshly baked coffee beans should be drunk fresh, but we don't know that coffee beans should be as fresh as possible. Generally speaking, the raw beans within a year of harvest belong to the new beans in the season. As long as they are baked properly, they can easily drink the lively sweet and sour taste of flowers and fruits and rich oil.

2014-06-06
Bean grinder: on the importance of bean grinder in extraction the technology of making a cup of coffee

Bean grinder: on the importance of bean grinder in extraction the technology of making a cup of coffee

No matter what kind of extraction method we use, what kind of coffee beans and equipment we use to make a cup of coffee, the grinding quality plays a key role from beginning to end. Many beginners pay great attention to how to choose equipment and equipment, pay attention to brewing methods, but often underestimate the importance of the impact of bean grinders on the product, but do not realize that a cup of good coffee can really be called a fine product.

2015-12-14
Some things about coffee bean grinder Common questions and parts answers of Italian Coffee Grinder

Some things about coffee bean grinder Common questions and parts answers of Italian Coffee Grinder

The importance of the grinder first of all, I feel it necessary to explain the importance of the grinder. In a sense, the grinder plays a more important role in the espresso machine than the coffee machine itself has always liked to say: what exactly is the coffee machine for? As mentioned earlier, the three main functions are extracting coffee, milking, and heating water. But today, due to talking about research,

2016-01-08
Some flashbacks of Espresso 3

Some flashbacks of Espresso 3

The first two chapters were written about a year ago, and the third part began to be written only after the delay. But the advantage is that there is a deeper understanding of coffee than in the past. According to the description in the second chapter, the coffee starts to flow out in about 5 seconds. The coffee extracted at this time should be the part with the highest concentration, which is also coffee.

2014-10-14
Is it true that coffee can not be extracted twice?

Is it true that coffee can not be extracted twice?

"is it true that coffee can't be extracted twice?" This is obviously a funny question.

2014-06-16
Use chemical knowledge to help you analyze the coffee ingredients of individual coffee products.

Use chemical knowledge to help you analyze the coffee ingredients of individual coffee products.

Any coffee enthusiast who knows how to drink coffee knows that really high-quality coffee is not too bitter, but for most of us, most of the coffee we drink is bitter. Fortunately, through the principles of chemistry, even laymen without professional training can make coffee of good quality! It's like adding salt to coffee to lighten the bitterness, science can

2016-05-30
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
A brief introduction to the methods of brewing coffee at home

A brief introduction to the methods of brewing coffee at home

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 here.

2014-11-06
Coffee making briefly describes the process of brewing coffee at home

Coffee making briefly describes the process of brewing coffee at home

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 here.

2014-09-17
How to judge the oil of Italian coffee Color judgment Master the quality of extracted coffee

How to judge the oil of Italian coffee Color judgment Master the quality of extracted coffee

The color of espresso oil can reflect whether the extraction degree of ESPRESSO is moderate, whether the amount of powder is enough, whether the filling force is in place, whether the water temperature of the coffee machine is correct and whether the beans are fresh, and many other factors. Italian coffee oil color is best golden yellow slightly brown, oil color tends to milky white, we generally call it under extraction, tend to

2016-01-08
Effect of stirring on extraction of hand-brewed coffee standard steaming coffee utensils

Effect of stirring on extraction of hand-brewed coffee standard steaming coffee utensils

The main results are as follows: 1, in the steaming stage, the amount of water is the standard of direct water injection and stifling; however, if the initial amount of stifling is 50 grams (corresponding to 20 grams of powder), then the whole instantaneous water trend chart will be different; the amount of water injected in the steaming stage will determine the instantaneous water trend in the later stage, so the instantaneous water trend chart in the article is also

2016-07-29
The production technology of espresso how to make espresso and espresso

The production technology of espresso how to make espresso and espresso

The production technology of espresso has beans and suitable equipment, and finally there are human factors that we can control. Because the extraction conditions of espresso are very extreme, there are slight changes in the process of making espresso. Finally, the coffee cup will be several cups, dozens of times or even hundreds of times magnification, reflected in the feeling after the entrance is very strong and unbearable.

2016-03-28
Coffee brewing utensils: a detailed introduction to the evaluation of Stumptown coffee filter paper and filter screen

Coffee brewing utensils: a detailed introduction to the evaluation of Stumptown coffee filter paper and filter screen

We are die-hard fans of hand-brewed coffee, and we are also keen on experiments. Therefore, we decided to join hands with the coffee teaching team to have a discussion on coffee filter paper to see if the choice of coffee filter paper would affect the result of coffee extraction. Here is a spoiler: it will really affect! First of all, with regard to this experiment, one of our main goals is to find out how filter paper affects coffee.

2015-12-15
Coffee knowledge | take stock of dozens of factors affecting coffee blossom

Coffee knowledge | take stock of dozens of factors affecting coffee blossom

Coffee refers to espresso, first of all, let's talk about extraction: 1.1.The amount of ESP extracted is directly related to the extraction rate of esp. Under the same conditions, the less the liquid is extracted, the higher the concentration is, and the lower the extraction rate is, the better the fluidity and contrast of the oil will be. On the contrary, if there is too much liquid, the oil will be very hard, very watery and the color is very light.

2016-08-06
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