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Complete knowledge of coffee roasting

Complete knowledge of coffee roasting

Coffee roasting (coffee roasting) refers to the heating of raw beans to convert starch in raw beans into sugars and acids at high temperature, cellulose and other substances 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
Matsuya method comes from Japanese hand flushing method

Matsuya method comes from Japanese hand flushing method

The Matsuya method also comes from Japan, which was invented to extract only the delicious ingredients from the coffee. Use a spoon to dig a big hole in the coffee powder, about 30cm from the noodle, pour water from the middle until the coffee liquid begins to drip, then draw a circle like a circle to wet the coffee powder and cover it with steaming. After 3 minutes, it begins to be uniform.

2016-06-14
Matsuya method also comes from Japanese hand flushing method.

Matsuya method also comes from Japanese hand flushing method.

The Matsuya method also comes from Japan, which was invented to extract only the delicious ingredients from the coffee. Use a spoon to dig a big hole in the coffee powder, about 30cm from the noodle, pour water from the middle until the coffee liquid begins to drip, then draw a circle like a circle to wet the coffee powder and cover it with steaming. After 3 minutes, it begins to be uniform.

2016-06-07
Tips for coffee brewing, from selection of coffee beans to storage

Tips for coffee brewing, from selection of coffee beans to storage

October is approaching and autumn is coming. The autumn wind brings a hint of coolness, reminding us of the end of summer and that it is time for us to drink coffee. Some people say that the New year is a new beginning, but I always think that autumn is the real beginning of the year, especially for students. They need to have pencils and notebooks ready for the start of the new semester, and those of us who go to work also need to find out old food.

2015-03-12
Ten life sayings related to coffee, both in Chinese and English

Ten life sayings related to coffee, both in Chinese and English

1. Life begins after coffee. Where there is coffee, there is life. 2. A yawn is a silent scream for coffee. Yawning is a silent appeal for coffee 3.Given enought coffee I could rule the world. Give me enough coffee and I can rule the world 4. But first coffee. Coffee for everything begins with 5. Rise and grin

2015-04-08
Ten life sayings related to coffee, both in Chinese and English

Ten life sayings related to coffee, both in Chinese and English

1. Life begins after coffee. Where there is coffee, there is life. 2. A yawn is a silent scream for coffee. Yawning is a silent appeal for coffee 3.Given enought coffee I could rule the world. Give me enough coffee and I can rule the world 4. But first coffee. Coffee for everything begins with 5. Rise and grin

2015-10-10
The principle of steaming? what is steaming?

The principle of steaming? what is steaming?

About the steaming of coffee. Many baristas or enthusiasts have different opinions on the way, time and amount of steaming, and learn the process of steaming from the physics of steaming in coffee making. When the coffee bean is ground into a coffee powder, the coffee powder we can see with the naked eye is a whole one, but in fact, the microstructure of the coffee powder is similar to that of a honeycomb.

2016-06-02
The principle of steaming? what is steaming?

The principle of steaming? what is steaming?

About the steaming of coffee. Many baristas or enthusiasts have different opinions on the way, time and amount of steaming, and learn the process of steaming from the physics of steaming in coffee making. When the coffee bean is ground into a coffee powder, the coffee powder we can see with the naked eye is a whole one, but in fact, the microstructure of the coffee powder is similar to that of a honeycomb.

2016-06-02
Coffee steaming principle The role of hand steaming

Coffee steaming principle The role of hand steaming

About coffee steaming. Many baristas or enthusiasts have different opinions on the way, time and amount of steaming. They learn the process of steaming coffee from the physical principles of steaming coffee. When coffee beans are ground into coffee powder particles, the coffee powder particles we see with the naked eye are whole, but in fact, the microscopic structure of coffee powder is actually a honeycomb like knot.

2016-05-31
Coffee basic knowledge Coffee roasting process and stage characteristics

Coffee basic knowledge Coffee roasting process and stage characteristics

Most people think that baking is nothing, just frying the raw beans with fire. In fact, in the process of coffee processing, roasting is the most difficult step, it is a kind of science, but also an art, so in Europe and the United States, experienced roasters enjoy a highly respected status. The baking process can be divided into the following three stages: 1. Drying in the early stage of baking, raw beans boil

2015-05-12
Matsuya method, a hand-flushing method derived from Japan

Matsuya method, a hand-flushing method derived from Japan

The Matsuya method also comes from Japan, which was invented to extract only the delicious ingredients from the coffee. Use a spoon to dig a big hole in the coffee powder, about 30cm from the noodle, pour water from the middle until the coffee liquid begins to drip, then draw a circle like a circle to wet the coffee powder and cover it with steaming. After 3 minutes, it begins to be uniform.

2016-06-01
The basic knowledge of Fine Coffee is explained by COE score Table.

The basic knowledge of Fine Coffee is explained by COE score Table.

Aroma: Aroma, this is the first evaluation item at the beginning of the cup test, there are a total of three aroma evaluation stages, the first stage is the cup test at the beginning to pick up and smell the dry powder in the cup, the second is the wet aroma after water injection, the third aroma is the broken residue aroma; the aroma is an attractive element of coffee, coffee aroma is a lot of yuan, there are flowers, berries, caramel, nuts, coincidence

2015-04-16
Coffee roasting technology A complete knowledge of coffee roasting machine

Coffee roasting technology A complete knowledge of coffee roasting machine

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
How should coffee beans be treated? coffee washing and tanning?

How should coffee beans be treated? coffee washing and tanning?

Coffee beans harvested in the sun must immediately enter the treatment process, otherwise they will begin to ferment and produce a peculiar smell. There are two methods of treatment, the sun method and the water washing method. The beans of the sun method have a complete natural mellow taste, and the coffee beans with gentle aroma and more glue must enter the treatment program immediately, otherwise they will begin to ferment and make the coffee beans smell peculiar.

2016-06-04
Roasting coffee beans with technology-modified ruts

Roasting coffee beans with technology-modified ruts

Although coffee drinking and growing methods developed dramatically in the seventeenth and eighteenth centuries, progress in roasting was very poor. The most common method of roasting at the time was to follow the Middle Eastern method of simple roasting: placing green coffee beans in an iron pan, then moving to a fire and roasting, stirring until the coffee beans were evenly mixed.

2015-04-13
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
Coffee beans roasting detailed analysis-a good coffee must-see knowledge

Coffee beans roasting detailed analysis-a good coffee must-see knowledge

Coffee roasting is a process of pyrolysis, which completely changes the substances inside the green beans, producing new compounds and recombining them to form aroma and alcohol. This effect occurs only at high temperatures, and if only low temperatures are used, decomposition cannot occur. In fact, roasting is the most difficult step in coffee processing.

2015-11-23
Introduction of Coffee Variety characteristics and Flavor description in Xidamo Chiso producing area of Ethiopia

Introduction of Coffee Variety characteristics and Flavor description in Xidamo Chiso producing area of Ethiopia

Ethiopian coffee is harvested once a year. The beautiful white coffee flowers bloom from March to April, and then the fruit begins to grow. From September to December, the red coffee fruit is ripe for picking. The new season of coffee begins to be exported from November to December. At present, about 25% of the Ethiopian population directly or indirectly depends on coffee production for a living. The majority of farmers use traditional planting methods. Manual care of coffee trees, using

2016-09-29
General knowledge of boutique Coffee

General knowledge of boutique Coffee

In fact, there has never been a very clear literature on the origin of the coffee flower, only that at that time in Europe and the United States, the coffee flower was the difficult professional technology displayed during the coffee performance, and such innovative skills and the difficult technology showed greatly shocked the coffee industry at that time and attracted public attention from the very beginning. All the people are deeply drawn by coffee.

2014-11-10
When should I stop baking? It can be judged from the following points

When should I stop baking? It can be judged from the following points

When should I stop baking? The color of coffee beans: Because coffee beans will present different colors when roasted to different degrees, color has become the most commonly used basis for roasting depth. This method can be applied to most coffee beans, but some coffee beans are special. For example, the color of Kenya beans will be much darker than that of ordinary coffee beans.

2015-10-15
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