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Why does the common sense of fine coffee emphasize freshly ground fresh coffee?

Why does the common sense of fine coffee emphasize freshly ground fresh coffee?

When you smell the fragrance of coffee powder, it shows that it is deteriorating and the essence of coffee is decreasing. If the diameter of the coffee powder is doubled, the volume of a single particle is reduced by 1 × 8, and the surface area of the corresponding total coffee powder is doubled. After the coffee bean is ground into coffee powder, its surface area increases exponentially, and the area of contact with air increases hundreds of times.

2015-01-22
Coffee should be freshly ground and roasted freshly. Well-preserved coffee beans

Coffee should be freshly ground and roasted freshly. Well-preserved coffee beans

When you smell the fragrance of coffee powder, it shows that it is deteriorating and the essence of coffee is decreasing. If the diameter of the coffee powder is doubled, the volume of a single particle is reduced by 1 × 8, and the surface area of the corresponding total coffee powder is doubled. After the coffee bean is ground into coffee powder, its surface area increases exponentially, and the area of contact with air increases hundreds of times.

2015-02-02
What is coffee fat?

What is coffee fat?

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.

2014-07-09
Is it true that coffee can not be extracted twice? What's the difference if the coffee is extracted twice?

Is it true that coffee can not be extracted twice? What's the difference if the coffee is extracted twice?

Is it true that the coffee granules used can not be extracted twice? This is obviously a funny question, because it really can't be extracted twice.

2016-01-08
Basic knowledge of boutique coffee is coffee good for your health?

Basic knowledge of boutique coffee is coffee good for your health?

Some people try to prove the medical legitimacy of coffee, while others do the opposite, citing coffee as a footnote to their theory. In the early 17th century, the four-body fluid theory inherited from ancient Greece still played a leading role in the medical field. this theory holds that natural matter is composed of air, water, fire and earth, with four properties: hot, dry, wet and cold. It is inferred to medicine that the human body is related to

2014-12-16
Why emphasize freshly ground coffee? Is the freshly ground coffee good? Why is freshly ground coffee so good?

Why emphasize freshly ground coffee? Is the freshly ground coffee good? Why is freshly ground coffee so good?

If the diameter of the coffee powder is doubled, the volume of a single particle is reduced by 1 × 8, and the surface area of the corresponding total coffee powder is doubled. After the coffee bean is ground into coffee powder, its surface area increases exponentially, and the area of contact with air increases hundreds of times. The extremely important acidic and volatile fats in roasted coffee beans once exposed to air

2016-03-17
Why emphasize freshly ground coffee? Is the freshly ground coffee good? Why is freshly ground coffee so good?

Why emphasize freshly ground coffee? Is the freshly ground coffee good? Why is freshly ground coffee so good?

If the diameter of the coffee powder is doubled, the volume of a single particle is reduced by 1 × 8, and the surface area of the corresponding total coffee powder is doubled. After the coffee bean is ground into coffee powder, its surface area increases exponentially, and the area of contact with air increases hundreds of times. The extremely important acidic and volatile fats in roasted coffee beans once exposed to air

2016-03-17
Coffee shop management manual how to train coffee shop staff?

Coffee shop management manual how to train coffee shop staff?

In order to promote the development of the coffee industry, it is necessary to cultivate baristas' working ability, professional self-confidence and product quality. The following Brissta barista barista training School will tell you the importance of training professional baristas in cafes. In order to make it easier to remember the reasons for barista training, we summarize them into four C. 1. Common goal (Common Goals) first of all, regardless of a coffee shop

2015-09-06
A healthy life of drinking coffee is coffee good for your health?

A healthy life of drinking coffee is coffee good for your health?

Some people try to prove the medical legitimacy of coffee, while others do the opposite, citing coffee as a footnote to their theory. In the early 17th century, the four-body fluid theory inherited from ancient Greece still played a leading role in the medical field. this theory holds that natural matter is composed of air, water, fire and earth, with four properties: hot, dry, wet and cold. It is inferred to medicine that the human body is related to

2015-01-28
The advantages and disadvantages of drinking coffee is coffee good for your health?

The advantages and disadvantages of drinking coffee is coffee good for your health?

Some people try to prove the medical legitimacy of coffee, while others do the opposite, citing coffee as a footnote to their theory. In the early 17th century, the four-body fluid theory inherited from ancient Greece still played a leading role in the medical field. this theory holds that natural matter is composed of air, water, fire and earth, with four properties: hot, dry, wet and cold. It is inferred to medicine that the human body is related to

2015-03-24
Why is it emphasized that coffee should be freshly ground? Time for grinding coffee beans

Why is it emphasized that coffee should be freshly ground? Time for grinding coffee beans

Why emphasize freshly ground coffee? When you smell the fragrance of coffee powder, it shows that it is deteriorating and the essence of coffee is decreasing. If the diameter of the coffee powder is doubled, the volume of a single particle is reduced by 1 × 8, and the surface area of the corresponding total coffee powder is doubled. After the coffee bean is ground into coffee powder, its surface area increases exponentially and is in contact with the air.

2015-10-15
The quality of bean grinder is an important factor in determining the quality of coffee-the difference between manual and electric.

The quality of bean grinder is an important factor in determining the quality of coffee-the difference between manual and electric.

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 ignore the importance of the impact of bean grinders on the product, but do not realize that a cup of good coffee that can really be called a fine product.

2015-11-12
Classification of coffee grinders

Classification of coffee grinders

The operation method of this kind of bean grinder is quite simple, as long as you follow the instructions on the instructions, it can be easily used. Generally speaking, it has two setting functions, one is the grinding degree setting, the other is the grinding time setting. The degree of grinding is mostly expressed in Arabic numerals, and the smaller the number is, the finer the grinding is. Some clearly indicate the grinding range of various brewing methods. For example: Filter, E

2014-07-01
Let the heart accept more possible exclusive interviews with Wang Shiru, the runner-up in the annual Baker contest.

Let the heart accept more possible exclusive interviews with Wang Shiru, the runner-up in the annual Baker contest.

Let the heart accept more possible exclusive interviews with Wang Shiru, the runner-up in the annual bean baking contest, Wang Shiru, who has become famous for several years, may be able to make a good comment. When you walk in all the trade shows, courses, coffee industry activities, how to change from a visitor to an honorable competitor, Wang Shi if there are more people behind it.

2014-04-27
On the Strategy of Coffee Operation from the Perspective of Culture

On the Strategy of Coffee Operation from the Perspective of Culture

The phenomenon of "homogenization" of urban construction is very serious, no matter where the city is almost the same buildings, the same streets, the loss of its due characteristics.

2014-06-05
Six skills and methods of roasting high-quality coffee

Six skills and methods of roasting high-quality coffee

After writing, I found that the most difficult thing to talk about coffee roasting is the different understanding of the terms used to describe roasting. I will keep explaining the reason and purpose of using this concept. I try to avoid being polite and give practical information directly. Coffee roasting is an extremely complex process, but we can grasp it by three reference variables. Caramelization value: deep and shallow maturity: over and below

2015-09-02
Technical rules for cultivation of small seed Coffee basic knowledge of Coffee

Technical rules for cultivation of small seed Coffee basic knowledge of Coffee

1 scope this part stipulates the technical methods of small seed coffee garden selection, planning, reclamation, seeds, seedlings, planting, soil management and coffee tree management. This part is suitable for the cultivation of small seed coffee. 2 normative citation documents the provisions of the following documents become the provisions of this part through the citation of this section. For all dated reference documents, all subsequent revisions

2015-10-14
Key points of knowledge about coffee bean grinding: the importance of grinding degree of coffee beans and coffee powder

Key points of knowledge about coffee bean grinding: the importance of grinding degree of coffee beans and coffee powder

The freshness of coffee beans is one of the factors affecting the grinding degree. Freshly roasted coffee beans because of the high activity of flavor components, do not need too fine grinding degree to emit enough flavor, so the grinding degree can be adjusted properly. At this time, if the degree of grinding is still fine, the flavor components of coffee beans can be more divergent, but it is also easier to extract miscellaneous flavors at this time.

2015-12-24
Coffee pot hand drip filter coffee introduction pot thin mouth pot special apparatus for brewing coffee by hand

Coffee pot hand drip filter coffee introduction pot thin mouth pot special apparatus for brewing coffee by hand

Silver hand punch pot capacity: 1.2L color: silver material: stainless steel bottom diameter: 14CM spout diameter: 7MM handle: lift lid description: lid with its own bayonet, air outlet hole (hole can not be directly inserted into the thermometer) the whole pot with packaging weight: about 780g heating method: open fire, induction cooker, electric ceramic stove and so on can be heated. Friendship advice: for the better

2016-01-19
General knowledge of Fine Coffee explains Espresso principle

General knowledge of Fine Coffee explains Espresso principle

The aroma components dissipate easily-the rich aroma emitted when grinding fresh coffee has inspired the poet 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. Make the brewed coffee as fragrant as the freshly ground coffee

2014-12-04
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