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Chapter 8 of David Schomer's

Chapter 8 of David Schomer's "ESPRESSO COFFEE"

(Ⅷ) Chapter 8 cleaning machines-the second golden rule is that coffee grease will continue to stick to the surface that the coffee liquid touches. 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.

2015-10-17
Introduction to the production of Coffee Flavor Wheel Coffee in SCAA Professional Coffee Cup Evaluation system of American Fine Coffee Association

Introduction to the production of Coffee Flavor Wheel Coffee in SCAA Professional Coffee Cup Evaluation system of American Fine Coffee Association

As one of the most authoritative professional coffee institutions in the world, the professional coffee cup evaluation system established by SCAA is used as a collection of methods, processes and standards for coffee quality evaluation. Although most cafes in China are not suitable to use this method for cup evaluation, some methods and details in the process may be helpful for us to understand the taste of coffee.

2016-01-16
The production of high-quality coffee learning Espresso is a technical work.

The production of high-quality coffee learning Espresso is a technical work.

The Espresso boiled at the ideal water temperature is dark reddish brown, and the foam on the surface will have dark brown spots (known as el tigre in Italy), and the foam should be more than 4mm thick. Production of Espresso: generally speaking, large coffee beans can produce better coffee. Under the condition that the quality of coffee beans is fully assured, first of all,

2014-10-22
The 26th World Coffee Science Congress settled in Yunnan

The 26th World Coffee Science Congress settled in Yunnan

A few days ago, with the approval of the people's Government of Yunnan Province, the 26th World Coffee Science Congress will be held in Kunming from November 13 to November 19, 2016, when scientists from all over the world will gather in Kunming. there will be a Huashan debate on coffee and health, coffee chemistry, coffee agronomy and other scientific topics. According to the organizing committee of the conference, the main venue of the conference is located in Kunming.

2016-09-08
The cloth powder and pressing powder from the bean grinder flatten the coffee powder in the powder bowl with a hammer.

The cloth powder and pressing powder from the bean grinder flatten the coffee powder in the powder bowl with a hammer.

First of all, the powder from the bean grinder. Ideally, the powder from the bean grinder should be micro-particles of fixed size, and to reach a certain fineness, it should be evenly placed in the powder bowl on the handle of the coffee machine, because the density is the same, when the water pressure of the boiling head is evenly distributed on the whole pressed powder, the pressure obtained in this way is stable. But in fact, it's hard to do that, thousands of dollars.

2016-04-08
China's first Internet of Things Coffee Phase I co-sponsor officially confirmed

China's first Internet of Things Coffee Phase I co-sponsor officially confirmed

On October 30, on the 30th day of the Internet of Things Coffee crowdfunding launch, the Internet of Things Coffee Preparatory Group reported to the crowdfunding participants on the progress of the Internet of Things Coffee preparation work and identified the first phase of the co-sponsor list. Based on the most urgent needs of Internet of Things Coffee at present, the Internet of Things Coffee Preparatory Group prioritizes more industry resources, has been engaged in the Internet of Things industry for many years, and is the most enthusiastic Internet of Things Coffee.

2014-11-03
The relationship between coffee roasting curve and coffee flavor how to brew espresso in mocha pot

The relationship between coffee roasting curve and coffee flavor how to brew espresso in mocha pot

1. The air in this seam has a different thermal conductivity from the beans outside. If it will cause the two temperatures to be different. Most of the problem is that the air inside is much hotter than beans. For example, the oven is too hot, or the beans are not thoroughly dry. You will see that the middle is more scorched than the two sides. Generally speaking, after a scorch, the explosion will be faster, or not dense. At this time, it is possible to take out some of the beans.

2016-06-08
Roasting process of coffee beans and matters needing attention

Roasting process of coffee beans and matters needing attention

Among the many factors affecting the taste and flavor of coffee, roasting is the most important link. And baking itself is both a science and an art. During the roasting process of 8-20 minutes, raw coffee beans (Green coffee been) produce a series of complex changes: from the appearance, the coffee beans gradually change from light green to light yellow, light brown, brown, dark brown, such as

2015-06-08
What are the ways to make coffee? The brewing method of coffee powder illustrating the brewing method of individual coffee beans

What are the ways to make coffee? The brewing method of coffee powder illustrating the brewing method of individual coffee beans

Filter paper brewing is the easiest way to make coffee. The filter paper can be discarded immediately after being used once, which is more sanitary and easy to clean up. The amount of boiled water and the method of injection can also be adjusted. One person can also brew, which is the best way to brew a small number of people. Brewing coffee filter paper brewing filter paper brewing the easiest way to brew coffee the easiest way to brew coffee. Filter paper can be used immediately after one use

2016-01-20
The second Golden Rule of Chapter 8 of ESPRESSO COFFEE

The second Golden Rule of Chapter 8 of ESPRESSO COFFEE

(Ⅷ) Chapter 8 cleaning machines-the second golden rule is that coffee grease will continue to stick to the surface that the coffee liquid touches. 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.

2015-03-13
Cafe owner vs. Science and technology upstart

Cafe owner vs. Science and technology upstart

One weekend afternoon, I saw a cafe by the side of the road. The window furnishings caught my eye. A handsome young boy immediately came out to greet me and introduced how mellow and delicious their coffee was. I don't usually have the habit of drinking coffee, and I don't have any special research on coffee, so I asked him to make me a cup of mellow coffee. Soon after, the coffee was brought. He asked me

2014-06-27
How to clean the espresso machine Oscar regular cleaning correctly clean the espresso machine

How to clean the espresso machine Oscar regular cleaning correctly clean the espresso machine

It has been more than a week since Oscar moved home from a single cup, and it is estimated that there are more than 20 cups, so he is going to clean it up this afternoon. The daily cleaning and maintenance of Italian coffee machine is mainly recoil and remove some parts for soaking. Recoil is a way to clean the waterway of coffee by using the pressure generated by the coffee machine and cleaning powder. Meaning

2016-04-05
The correct way of brewing coffee what are the ways to make coffee

The correct way of brewing coffee what are the ways to make coffee

The correct way to brew coffee what are the methods of brewing coffee? filter paper brewing filter paper brewing the easiest brewing method the simplest coffee brewing method. The filter paper can be discarded immediately after being used once, which is more sanitary and easy to clean up. The amount of boiled water and the method of injection can also be adjusted. One person can also brew, which is the best way to brew a small number of people. The key points of brewing coffee and brewing in cloth bags

2015-10-22
How to use a mocha pot? Is the mocha pot safe? What should I pay attention to when using the mocha pot?

How to use a mocha pot? Is the mocha pot safe? What should I pay attention to when using the mocha pot?

Today, when Italian coffee is popular all over the world, we are no stranger to Italian coffee machine, and even passers-by can name several Italian fancy coffee. But today we have more criticism and discrimination against the mocha pot, and we always question whether the coffee made by mocha is Espresso. So Uncle Dou would like to share some of my views on the mocha pot.

2016-01-26
Choose and buy good coffee beans

Choose and buy good coffee beans

How to judge the quality of beans from their appearance? From its color-whether glossy, uniform color without spots; smell its fragrance-whether fragrance is rich; oral brittleness-- put into the mouth to bite, whether crisp sound, good taste, and finally to see if the bean shape is full and has weight. Because you can't make mellow coffee without good coffee beans / powder. Secondly, we should pay attention to coffee beans.

2014-09-25
Summary of experience in the production of espresso beans concentrated espresso beans imported black coffee

Summary of experience in the production of espresso beans concentrated espresso beans imported black coffee

Making coffee is a process of extraction, there is no more or less of what is good coffee, and what is good coffee only extract the ingredients we like. Espresso is named after extraction, which is probably a way of making coffee by passing high-pressure hot water through the pressurized coffee pressed powder to extract coffee ingredients. It may have gone through the repeated experiments of the founder.

2016-04-16
Go to Seoul, meet my brother and become an international barista with SCAE certificate

Go to Seoul, meet my brother and become an international barista with SCAE certificate

If you want a second life, pay attention to Suzhou Hive Youth Club. Koreans love coffee. They like to date, study and talk about business in the aroma of coffee. Most Korean cafes have warm lights, warm and chic decoration, soft music, and a barista with a fresh smile. Everything is just like the warmth and romance of Korean TV dramas. If you want to fit into this picture,

2015-12-19
Baking common sense coffee bean baking process and matters needing attention

Baking common sense coffee bean baking process and matters needing attention

Among the many factors affecting the taste and flavor of coffee, roasting is the most important link. And baking itself is both a science and an art. During the roasting process of 8-20 minutes, raw coffee beans (Green coffee been) produce a series of complex changes: from the appearance, the coffee beans gradually change from light green to light yellow, light brown, brown, dark brown, such as

2015-05-28
The thinking mode of extraction 2b-extraction time is transferred from Douban

The thinking mode of extraction 2b-extraction time is transferred from Douban

Continuing with the previous article, http://www.douban.com/note/244706236/ extraction time looks easy, but it's actually a little more complicated than I thought. Because although the extraction time is directly related to the relationship between extraction rate and concentration, their relationship is not necessarily proportional. We still return to the original two purposes, get the reasonable extraction rate and get the proper concentration.

2015-11-10
Details that should be paid attention to in the extraction of Espresso espresso by Italian fully automatic and semi-automatic coffee

Details that should be paid attention to in the extraction of Espresso espresso by Italian fully automatic and semi-automatic coffee

(Ⅷ) Chapter 8 cleaning machines-the second golden rule is that coffee grease will continue to stick to the surface that the coffee liquid touches. 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.

2016-01-18
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