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The basic chemical reaction of coffee knowledge during coffee roasting.

The basic chemical reaction of coffee knowledge during 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.

2014-12-31
How to judge the best roasting time and roasting degree of coffee beans

How to judge the best roasting time and roasting degree of coffee beans

For this problem is the concern of many coffee lovers, how long does it take for coffee beans to be roasted? According to the different flavor of coffee pursued by different consumers, the roasting time of coffee should vary from person to person, enough is enough, so how to judge the best roasting time of coffee beans? Answer: ① generally judges the roasting time of coffee beans, which can be judged by their different colors.

2015-11-04
Description of Arabian Coffee Flavor, characteristics of Grinding degree, introduction to the producing areas of High-quality Coffee beans

Description of Arabian Coffee Flavor, characteristics of Grinding degree, introduction to the producing areas of High-quality Coffee beans

Good Arabica? Coffee requires a complicated process of hand picking, selection and fine processing, so are the most expensive and best coffee beans in the world? Arabica? Grow coffee. Robusta? Caffeine is low-cost and is usually used to produce instant coffee and canned coffee. A few of the better ones? Robusta? Growing coffee is also used in blending (with Allah)

2016-10-15
Coffee roasting net spoon baking

Coffee roasting net spoon baking

Coffee roasting (coffee roasting) means that through heating raw beans, starch in raw beans is converted into sugars and acids at high temperature, substances such as cellulose will be carbonized to varying degrees, water and carbon dioxide will be volatilized, proteins will be converted into enzymes and fats, and the remaining substances will be combined to form an oil film on the surface of coffee beans, and in the process coffee acids will be formed.

2014-08-20
Relationship between roasting degree and PH value of sour coffee

Relationship between roasting degree and PH value of sour coffee

Most people mistakenly think that coffee is sour if it is not fresh, and sour coffee is not good. This is really a great smear and misunderstanding! In fact, coffee itself is an acidic beverage. Whether coffee is sour or not depends on the baking degree of beans. The longer the baking time is, the higher the caramelization degree is, and the more acidic substances are destroyed, the less sour it is, and the shorter the baking time is, the lower the caramelization degree is.

2015-05-29
Roasting Colombian top emerald coffee beans during baking

Roasting Colombian top emerald coffee beans during baking

Although this top emerald coffee is positioned higher than the SUPREMO, the raw beans vary in size, making it difficult to bake and stopped baking at the start of the second explosion. Although the position of this top emerald coffee is higher than that of SUPREMO, the size of raw beans varies in size, which brings to the roasting.

2015-02-11
Coffee beans roast Colombia's top emerald coffee beans

Coffee beans roast Colombia's top emerald coffee beans

Although this top emerald coffee is positioned higher than the SUPREMO, the raw beans vary in size, making it difficult to bake and stopped baking at the start of the second explosion. Although the position of this top emerald coffee is higher than that of SUPREMO, the size of raw beans varies in size, which brings to the roasting.

2014-10-22
Introduction to the Flavor characteristics of Matari Mocha Coffee and the different methods of latte

Introduction to the Flavor characteristics of Matari Mocha Coffee and the different methods of latte

Matari mocha: the best in mocha coffee, like top red wine, rich tropical fruit flavor, infatuated, rich and varied flavor with unique sunshine flavor, fine taste, can also feel a hint of chocolate sweetness in the tail rhyme, the taste is strong and worthy of careful taste. Product name: Mattarimoka, Yemen Yemen Mattari Mocca Origin: Ye

2016-10-20
Coffee bean baking technology net spoon baking process

Coffee bean baking technology net spoon baking process

Coffee roasting (coffee roasting) means that through heating raw beans, starch in raw beans is converted into sugars and acids at high temperature, substances such as cellulose will be carbonized to varying degrees, water and carbon dioxide will be volatilized, proteins will be converted into enzymes and fats, and the remaining substances will be combined to form an oil film on the surface of coffee beans, and in the process coffee acids will be formed.

2015-01-08
Detailed Analysis of the components of Coffee beans

Detailed Analysis of the components of Coffee beans

Raw coffee beans do not contain the special aroma of coffee, so they are not eaten directly and must be roasted before a large number of volatile aroma compounds are produced.

2014-05-16
Introduction to the description of Manor Flavor in the producing area of Grinding degree

Introduction to the description of Manor Flavor in the producing area of Grinding degree

The most famous is Toraga, or Tonaga, Toraja. Sulawesi Island, formerly known as Celebes Island Celebes, is also called Celebes Coffee Celebes Coffee. Toraja coffee comes from Tana Toraja in the Tanatolaga region of South Sulawesi, South Sulawesi Province, named after the local population, the Toraga. Tana Toraja is approximately

2016-10-08
Baking degree resolution diagram

Baking degree resolution diagram

American Coffee Association (SCAA) roasting standard this standard uses infrared caramelization tester technology (Agtron) to measure the color of coffee beans to determine the roasting degree of coffee, and the color is divided into eight equal parts into eight standard color blocks for coffee industry as roasting identification.

2014-08-08
Coffee knowledge: coffee roasting

Coffee knowledge: coffee roasting

Coffee roasting (coffee roasting) means that through heating raw beans, starch in raw beans is converted into sugars and acids at high temperature, substances such as cellulose will be carbonized to varying degrees, water and carbon dioxide will be volatilized, proteins will be converted into enzymes and fats, and the remaining substances will be combined to form an oil film on the surface of coffee beans, and in the process coffee acids will be formed.

2014-07-17
The principle and category division of coffee roaster Coffee Roaster

The principle and category division of coffee roaster Coffee Roaster

The manufacturing principle of commercial roaster is mainly divided into three types: direct fire type, semi-hot type and hot air type. At present, the latter two kinds of roasting are the best and are the mainstream in the selected coffee market.

2014-08-15
How to make roasted coffee bean boutique coffee China Coffee Network

How to make roasted coffee bean boutique coffee China Coffee Network

Roasting coffee beans is controlled according to the requirements of coffee utensils. The taste of different utensils and different coffee beans will be different when roasted. Coffee beans are roasted by using specific equipment to convert starch into sugars and acids at high temperatures. In this process, substances such as cellulose will be carbonized to varying degrees, and water and carbon dioxide will be volatilized.

2016-06-04
Ceramic coffee roaster

Ceramic coffee roaster

Coffee roasting (coffee roasting) means that through heating raw beans, starch in raw beans is converted into sugars and acids at high temperature, substances such as cellulose will be carbonized to varying degrees, water and carbon dioxide will be volatilized, proteins will be converted into enzymes and fats, and the remaining substances will be combined to form an oil film on the surface of coffee beans, and in the process coffee acids will be formed.

2014-08-20
Bright style Costa Rican coffee grind degree taste flavor description method variety baking degree

Bright style Costa Rican coffee grind degree taste flavor description method variety baking degree

Other kinds of Brazilian coffee, such as Rio and Parana, can be produced in large quantities because they do not need too much care. Although the taste is rough, it is a kind of good and cheap coffee. It has its own standard because it is distributed all over the country and its solid quality varies. It has its own standard (NO.2~NO.8 according to the number of sundries, NO.13~NO.19 according to the size of beans, and six grades according to taste).

2016-10-07
The planting environment and natural climate of coffee trees

The planting environment and natural climate of coffee trees

Coffee belt: coffee can not be grown in any environment, because it is originally a plant growing in a tropical rain forest, and in phylogeny, it forms the habit of requiring calm wind, cool, shaded or semi-shaded and humid environment. We call the strips on both sides of the equator between latitudes 25 degrees south and north suitable for the growth of coffee trees as coffee belts. Temperature: the requirement for temperature varies with the species of cultivation, small

2016-06-12
Coffee beans Roasting technology Ceramic coffee roasters

Coffee beans Roasting technology Ceramic coffee roasters

Coffee roasting refers to the heating of raw beans to convert starch in raw beans into sugar and acidic substances at high temperature. Cellulose and other substances will be carbonized to varying degrees. Moisture and carbon dioxide will volatilize. Protein will be converted into enzymes and fats. The remaining substances will combine together to form an oil film layer on the surface of coffee beans. In the process, coffee acids will be generated.

2015-01-08
Coffee roasting hand popcorn pot

Coffee roasting hand popcorn pot

Coffee roasting (coffee roasting) means that through heating raw beans, starch in raw beans is converted into sugars and acids at high temperature, substances such as cellulose will be carbonized to varying degrees, water and carbon dioxide will be volatilized, proteins will be converted into enzymes and fats, and the remaining substances will be combined to form an oil film on the surface of coffee beans, and in the process coffee acids will be formed.

2014-08-20
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