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Beginners in coffee must learn-what is the channel effect in coffee?

Beginners in coffee must learn-what is the channel effect in coffee?

What is the coffee channel effect? To put it simply, the channel effect of coffee is that in the process of making coffee, water does not pass through or quickly flows through coffee powder for some reason. this phenomenon is called coffee channel effect. Second, where does the coffee channel effect often appear? The channel effect of coffee is common in two places: 1. Manual brewing: familiarity with manual brewing.

2015-11-30
Coffee brewing by hand: analysis and treatment of the

Coffee brewing by hand: analysis and treatment of the "channel effect" of hand-brewed coffee

Previously, we only know that the channel effect often encountered in espresso extraction is that in the process of extraction, the flow caused by the uneven degree of grinding, powder distribution, packing and the outlet of the machine head water distribution network passes through the weakest part of the coffee pressed powder, resulting in uneven espresso extraction, excessive extraction of the part passed by the water flow, insufficient extraction of the rest, and often get a strong cup in the end.

2015-12-17
The

The "Channel effect" of hand-made Coffee

Previously, we only know that the channel effect often encountered in espresso extraction is that in the process of extraction, the flow caused by the uneven degree of grinding, powder distribution, packing and the outlet of the machine head water distribution network passes through the weakest part of the coffee pressed powder, resulting in uneven espresso extraction, excessive extraction of the part passed by the water flow, insufficient extraction of the rest, and often get a strong cup in the end.

2014-09-11
Matters needing attention for pressing powder of Italian coffee how to press powder for Italian concentration

Matters needing attention for pressing powder of Italian coffee how to press powder for Italian concentration

Let me explain a little bit now that this is actually related to the problem of uniform extraction. But before I begin, I want you to refer to my previous diary about powder pressing. (http://www.douban.com/note/177204875/) I took great pains to mention the extract in the extraction article.

2016-04-27
The technique of brewing coffee is about the technology of pressing coffee powder.

The technique of brewing coffee is about the technology of pressing coffee powder.

I thought it had been described in my early diary, but later I found that it seemed simple and clear. I was negligent. Yes, it's easy to explain the problem. But I like the way this friend asks questions, because he mentioned in his email that many authoritative baristas suggested not to do so, but I don't know why. Let me explain a little bit now that this is actually related to the uniform extraction.

2014-10-14
Research on domestic Coffee Bean Market

Research on domestic Coffee Bean Market

First: the market background of coffee beans, coffee beans have flourished in the Chinese market in recent years, thanks to the rapid promotion and growth of table coffee chains in China, so that siphon coffee (single coffee) has been preached and rooted in various cities and towns in China. Shangdao Coffee and its derivation or imitation of many brands, but also gradually formed the bar technology of the above Island Coffee Coffee.

2014-07-24
A brief discussion on the Product Distribution of Coffee Bean Professional Market

A brief discussion on the Product Distribution of Coffee Bean Professional Market

First: the market background of coffee beans, coffee beans have flourished in the Chinese market in recent years, thanks to the rapid promotion and growth of table coffee chains in China, so that siphon coffee (single coffee) has been preached and rooted in various cities and towns in China. Shangdao Coffee and its derivation or imitation of many brands, but also gradually formed the bar technology of the above Island Coffee Coffee.

2014-07-04
Some technical terms for coffee extraction

Some technical terms for coffee extraction

Blonding: describes the conversion of the liquid from dark brown with tiger stripes to uniform light yellow. This usually occurs in the last 1amp 3 stage, indicating that the extraction operation can be ended. The over-yellowing part of espresso has a light taste and almost no aroma. If it lasts too long, it will dilute the mellowness and is no longer a pleasant taste. Channel effect (c

2014-08-30
Some concepts of common words in extraction

Some concepts of common words in extraction

Blonding: describes the conversion of the liquid from dark brown with tiger stripes to uniform light yellow. This usually occurs in the last 1amp 3 stage, indicating that the extraction operation can be ended. The over-yellowing part of espresso has a light taste and almost no aroma. If it lasts too long, it will dilute the mellowness and is no longer a pleasant taste. Channel effect (ch)

2014-08-05
The

The "handle" is the filter handle we use to extract Espresso.

You may be wondering if there are any cool coffee artifacts to improve your skills. Of course, there are everywhere powder presses and sexy electronic scales to measure the strength of powder pressing. If you are willing to revamp your espresso machine, keep reading. There is a new thing in the coffee circle. It is not only a good barista training tool, but also has a beautiful appearance. It is called bottomless.

2016-05-07
On the Concepts of some Common words in extraction

On the Concepts of some Common words in extraction

Blonding: describes the conversion of the liquid from dark brown with tiger stripes to uniform light yellow. This usually occurs in the last 1amp 3 stage, indicating that the extraction operation can be ended. The over-yellowing part of espresso has a light taste and almost no aroma. If it lasts too long, it will dilute the mellowness and is no longer a pleasant taste. Channel effect (ch)

2014-05-15
Some common word concepts in fine coffee extraction

Some common word concepts in fine coffee extraction

Blonding: Describes the process by which the effluent changes from a dark brown with tiger stripes to a uniform pale yellow. This usually occurs in the last 1/3 of the paragraph, indicating that the extraction operation can be completed. The over-yellowing part of the espresso has a weak taste and little aroma. If it lasts too long, it will dilute the alcohol and no longer be a pleasant taste sensation. channel effect

2014-09-13
Some common words in extraction basic knowledge of coffee

Some common words in extraction basic knowledge of coffee

Blonding: describes the conversion of the liquid from dark brown with tiger stripes to uniform light yellow. This usually occurs in the last 1amp 3 stage, indicating that the extraction operation can be ended. The over-yellowing part of espresso has a light taste and almost no aroma. If it lasts too long, it will dilute the mellowness and is no longer a pleasant taste. Channel effect (ch)

2015-07-29
Coffee common sense Some common words in coffee extraction Concept

Coffee common sense Some common words in coffee extraction Concept

Yellowing: Describes the process by which the effluent changes from a dark brown color with tiger stripes to a uniform pale yellow color. This usually occurs in the last 1/3 of the paragraph, indicating that the extraction operation can be completed. The over-yellowing part of the espresso has a weak taste and little aroma. If it lasts too long, it will dilute the alcohol and no longer be a pleasant taste sensation. channel effect

2015-03-14
Doctor of Chemistry's masterpiece Chemex Coffee Pot

Doctor of Chemistry's masterpiece Chemex Coffee Pot

To get a good cup of hand-brewed coffee, in addition to strict selection of beans and careful roasting, brewing utensils are also important. Good coffee pots, coffee cups, or filter paper can effectively improve the flavor of coffee. Chemex, a classic of the history of hand-brewed coffee utensils, is literally translated as chemical exchange. It is so named because the founder Peter J.Schlumbohm is a chemical worker.

2015-03-13
Some Concepts of Common words in the extraction of Fine Coffee

Some Concepts of Common words in the extraction of Fine Coffee

Blonding: describes the conversion of the liquid from dark brown with tiger stripes to uniform light yellow. This usually occurs in the last 1amp 3 stage, indicating that the extraction operation can be ended. The over-yellowing part of espresso has a light taste and almost no aroma. If it lasts too long, it will dilute the mellowness and is no longer a pleasant taste. Channel effect (ch)

2015-01-17
Some concepts of common words in extraction of boutique coffee beans

Some concepts of common words in extraction of boutique coffee beans

Blonding: describes the conversion of the liquid from dark brown with tiger stripes to uniform light yellow. This usually occurs in the last 1amp 3 stage, indicating that the extraction operation can be ended. The over-yellowing part of espresso has a light taste and almost no aroma. If it lasts too long, it will dilute the mellowness and is no longer a pleasant taste. Channel effect (ch)

2014-12-31
Classic Chemex Coffee Pot in the History of hand Coffee utensils

Classic Chemex Coffee Pot in the History of hand Coffee utensils

Chemex, a classic in the history of hand-brewing coffee utensils, is literally translated as chemical exchange, so named because its founder Peter J.Schlumbohm is a chemist. To get a good cup of hand-brewed coffee, in addition to strict selection of beans and careful roasting, brewing utensils are also very important. Good coffee pots, coffee cups, or filter paper can effectively improve the coffee.

2015-01-05
The phenomenon of overextraction of packed coffee powder Italian blending of coffee beans and commercial blending of Italian flavor

The phenomenon of overextraction of packed coffee powder Italian blending of coffee beans and commercial blending of Italian flavor

Filling the coffee powder into the powder bowl, the amount of coffee powder should be just right, neither too much nor too little. My general habit is about 17 grams. After the coffee powder is loaded into the powder bowl, wrap the coffee powder with tools or hands, and distribute the coffee powder evenly in the whole powder bowl, so as to make the extraction uniform and avoid the channel effect (

2016-07-12
Doctor of Chemistry's masterpiece: Chemex Coffee maker using Chemex Coffee maker

Doctor of Chemistry's masterpiece: Chemex Coffee maker using Chemex Coffee maker

To get a good cup of hand-brewed coffee, in addition to strict selection of beans and careful roasting, brewing utensils are also important. Good coffee pots, coffee cups, or filter paper can effectively improve the flavor of coffee. Chemex, a classic of the history of hand-brewed coffee utensils, is literally translated as chemical exchange. It is so named because the founder PeterJ.Schlumbohm is a chemical worker.

2016-05-09
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