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The basic chemical reaction of coffee technology in the process of coffee roasting
Many thermal and chemical reactions take place during baking: decarbonation, dehydration of quinic acid, subdivision, isomerization, polymerization, and complex sugar reactions (caramelization). The main components of the thermal reaction are monosaccharides and sucrose, chlorogenic acid, free amino acids, and fenugreek amide. Both aravinose and calactose in the polysaccharides are transferred, and the basic vulcanization process includes hydroxylamine.
2014-10-09 Coffee knowledge coffee technology coffee roasting baking chemical reaction
Coffee Common sense Coffee grading system summarizes the selection of classification methods in various countries to determine the altitude of coffee origin
First of all, we should know clearly that the factors that ultimately determine the flavor of coffee come from the environment of its producing area, the way of treatment and the quality of raw beans. I believe that without better raw beans, no matter how good the roaster will not bake amazing coffee. Of course, when good coffee beans are in the hands of baristas, baristas should fully understand their characteristics and then add icing on the cake.
2016-04-18 Coffee common sense grading system summary countries methods selection determination origin
Classical fine tuning method
All brewing methods should take into account only these factors: one is the alcohol thickness of the coffee, the other is the purity of the coffee flavor, and the change of the combination of the two. The balance between alcohol thickness and purity depends in part on the beans used to make this cup of coffee.
2014-05-20 Coffee knowledge coffee brewing coffee training
Difference between Kenyan AA+ Coffee and Kenyan AA Coffee Kenya Coffee rating
Before the 1960s, Kenyan coffee was not as popular as it is now. This may be because they are not famous, or it may be because Kenyan coffee at that time was not as good as it is now. In 1954, British colonists opened more coffee fields to Kenyan natives.
2021-11-17 Kenya coffee graded 7 AA++ AA+ AB..
What kind of sparks will happen when coffee beans encounter the Internet?
Original title: what kind of spark will happen when coffee beans encounter the Internet? It is reported that Shandong Taishan Commodity spot Trading Co., Ltd. (hereinafter referred to as Taishan spot) will newly launch Akka coffee beans (raw beans) on the sale and trading system on August 10, 2016. the first day issue price is 9.8yuan / 10g and the commodity trading code is 977002. Shandong Taishan Commodity spot Trading Co., Ltd. is based on "
2016-08-13 Coffee beans encounter the Internet will rub out how spark title coffee beans
Powder quantity control
In my understanding, I see amazing flowers in China, countless players who are interested in machinery, and many lovers who are interested in coffee producing areas. However, when I see many people in the extraction of Italian concentration, do not cloth powder, do not control powder, or even taste judgment, I do not understand. If it is not extracted properly, even the most beautiful flower will only make the coffee
2014-09-13 Powder quantity control coffee knowledge coffee encyclopedia coffee powder quantity
The Kopi Luwak counterattack became the highlight of the coffee market ushered in the perfect counterattack after the trauma of the new rival.
With the popularity of the third wave of coffee culture around the world, the number of urban coffee chains in China shows a blowout trend. Among them, Kopi Luwak, which is recognized as the most expensive coffee in the world, is gradually entering the Chinese market.
2015-12-28 Cat shit coffee counterattack bright spot market ushered in new rival hard rival hit later
Effect of Powder content on Coffee in Coffee production
1. The concentration determines the richness of the coffee. It is the soluble matter that determines the concentration. (it is worth mentioning that XLW007 in the common sense group mentioned that insoluble substances can also increase the thickness of caffeine. I totally agree, but this time I only focus on the main cause of soluble matter.) generally, the calculation can be measured by the concentration photorefractometer: TDS%= TDS/Coffee Weight.
2014-07-18 Coffee knowledge coffee production powder quantity influence
How to understand Coffee Baking Curve introduction to Starbucks Coffee Baking Curve
Coffee roasting curve with the rapid heating of coffee beans in the roasting process, water begins to escape from the bean surface and evaporate. The escape rate depends on temperature, bean quantity, bean density and air circulation, while the standard rate of a normal roaster is 5-7 minutes when the water content of coffee beans is reduced from 11% to 2%. Coffee beans at the initial stage of roasting sometimes turn a little white or milky white, and then
2016-10-20 How understand coffee baking curve buck introduction
Domestic coffee consumption increases by as much as 30%.
(reporter / ou Zhikui) over the past five years, domestic coffee consumption has maintained an annual growth rate of 30%. At present, domestic coffee has entered the third wave of rapid development. The reporter learned from the launch of the 2014 Guangzhou Coffee Expo that there are currently more than 200 million potential coffee consumers in China, and China will become the most potential coffee consumer in the world in the next few years. It is reported that the exhibition will be held on December 1114.
2014-12-09 Domestic coffee consumption growth rate up to 30% reporter Ouzhi 5 years domestic
Talking about the principle of espresso extraction is it good to analyze the espresso of tiger spot?
Today, with the vigorous development of Italian milk coffee, the taste and taste of espresso also highlight its status. Espresso is the cornerstone of a cup of coffee, its quality and taste are directly related to the quality of a cup of coffee! In the international WBC barista competition, the production of espresso is also an important competition point. Coffee industry insiders and coffee lovers all over the world have set their sights on this only 3.
2015-11-09 Talking about espresso extraction principle Analysis Tiger spot OK care
Starbucks coffee must be expensive in China.
There is a joke in the United States: when the economic crisis occurred in the United States in 2008, Howard Schultz, CEO of Starbucks, lamented: "Oh, my God!" Starbucks closed 200 stores a day on a street in New York. How can we live in the future? "
2014-07-16 Coffee news Starbucks Chinese market coffee prospect
Italian Coffee making course: a brief discussion on the details of the Analysis of espresso extraction principle
Today, with the vigorous development of Italian milk coffee, the taste and taste of espresso also highlight its status. Espresso is the cornerstone of a cup of coffee, its quality and taste are directly related to the quality of a cup of coffee! In the international WBC barista competition, the production of espresso is also an important competition point. Coffee industry insiders and coffee lovers all over the world have set their sights on this only 3.
2015-12-18 Italian style Coffee production tutorial brief talk espresso extraction principle points
Handmade coffee brewing
Filter type can be divided into: filter cup type: Japanese handmade coffee (Japanese hand brew) is the most. Filter bag type: Italian bag coffee is the best. Professional grinding: Japanese handmade coffee should be ground 1.52 grams. Coffee bean portion control table: one person: 15 grams, 20 grams, two people: 30 grams, 35 grams, three people, 45 grams, 50 grams, four people, 60 grams, 65 grams, five people.
2014-07-12 Handmade coffee brew coffee drink coffee
Introduction to the coffee flavor and taste of Paradise Bird Manor in Papua New Guinea with the characteristics of spice
The flag of Papua New Guinea is nearly rectangular, with a ratio of length to width of 4 ∶ 3. The flag is divided into two equal triangles from the upper left corner to the lower right corner. The upper right is red, with a yellow bird of paradise spreading its wings, and the lower left is black with five white five-pointed stars, one of which is more
2016-09-07 With spices quality Papua New Guinea Birds of Paradise Manor Coffee Flavor
How to extract a perfect espresso espresso with tiger spots
Each cup of espresso has a layer of brown fine oil on the surface, which is called crema. If you look closely, you will find that the crema color on the surface of each espresso is different, and the common crema colors range from light gold, hazelnut, ochre to dark brown. What message does these crema with different colors reveal to us? Things
2015-11-09 How to extract one cup beautiful concentrated coffee tiger spot espresso
Coffee machine common sense about the influence of machine difference and filter bowl difference on coffee
The source of this diary is from the coffee common sense group XLW2007 about the adaptability of the small diameter filter bowl. Because before the game, it is not very clear how to control the situation, and I do not know if I believed Brother Chun, full of blood and resurrection, but the flavor is not right. In fact, there are two broader issues involved. How to control the flow rate on different machines 2. How
2014-10-14 Coffee knowledge coffee machine knowledge coffee influence
Coffee prolongs life?
The New England Journal of Medicine, a well-known medical journal, says coffee drinkers have lower mortality rates. According to a study from the National Cancer Institute (NCI) of the National Institutes of Health (NIH), older people who drink coffee have lower mortality rates than their peers who do not drink coffee, regardless of whether the coffee contains caffeine or not. Get rid of smoking
2014-06-27 Coffee longevity caffeine
A brief discussion on the principle of espresso extraction to analyze the extraction time and operation sequence of espresso
Today, with the vigorous development of Italian milk coffee, the taste and taste of espresso also highlight its status. Espresso is the cornerstone of a cup of coffee, its quality and taste are directly related to the quality of a cup of coffee! In the international WBC barista competition, the production of espresso is also an important competition point. Coffee industry insiders and coffee lovers all over the world have set their sights on this only 3.
2016-01-22 Talking about espresso extraction principle analysis concentration coffee
Introduction to the flavor and taste characteristics of El Salvador coffee manor with mild sour, bitter and sweet taste
Sanchez Salem is president of El Salvador. He was born on June 18, 1944 in Xattepec, El Salvador. After graduating from Alberto normal School, he taught in a primary school in his hometown for 10 years. In 1970, he participated in the creation of the first left-wing armed force in El Salvador, the Forces d é mocratiques de lib é ration du peuple (FPLF), and became general secretary of the organization in April 1983. Since then, the organization and other left-wing political and military groups in Saudi Arabia
2016-08-12 Sweet mild medium El Salvador coffee manor producing area flavor taste special