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Detailed analysis of low molecular weight sugars in coffee beans

Detailed analysis of low molecular weight sugars in coffee beans

Moisture: the water content of coffee beans varies greatly with different processing stages and products. The moisture content of wet coffee beans with film is about 50%, while that of dried raw coffee beans is about 10%-13%. The water content of roasted coffee beans is only less than 5%. The existence of water in coffee beans is the same as other kinds of food and beverages, because it contains a considerable amount of hydration colloid macromolecules.

2015-09-16
Origin of Nicaraguan coffee beans

Origin of Nicaraguan coffee beans

Caffeine: it has a particularly strong bitter taste and stimulates the central nervous system, heart and respiratory system. Appropriate amount of caffeine can also reduce muscle fatigue and promote digestive juice secretion. Because it promotes kidney function, it is diuretic and helps the body to expel excess sodium ions from the body. But eating too much can lead to caffeine poisoning. Tannic acid: boiled tannic acid will be decomposed into pyrouric acid

2016-05-27
Detailed Analysis of Coffee Bean ingredients basic knowledge of Fine Coffee

Detailed Analysis of Coffee Bean ingredients basic knowledge of Fine Coffee

Moisture: the water content of coffee beans varies greatly with different processing stages and products. The moisture content of wet coffee beans with film is about 50%, while that of dried raw coffee beans is about 10%-13%. The water content of roasted coffee beans is only less than 5%. The existence of water in coffee beans is the same as other kinds of food and beverages, because it contains a considerable amount of hydration colloid macromolecules.

2015-07-24
Talk about the acidity of coffee. Several acids in roasted coffee.

Talk about the acidity of coffee. Several acids in roasted coffee.

For coffee drinkers, coffee should not be thought to be alkaline because it contains caffeine (alkaloids), nor should it be thought to be acidic because it contains a lot of acid. It is believed that coffee is neutral after being metabolized by the human body. There are mainly the following kinds of acids in roasted coffee-Zheng Wei (Italian Coffee University) the following text refers to the first edition of the chemistry of qual

2015-10-13
What are the advantages and disadvantages of drinking coffee regularly?

What are the advantages and disadvantages of drinking coffee regularly?

Tannic acid: the boiled tannic acid will decompose into pyrouric acid, so the coffee that has been brewed for too long will taste worse. Fat: the most important ones are acid fat and volatile fat. Acidic fat: that is, fat contains acid, its strength will vary according to the type of coffee. Volatile fat: is the main source of coffee aroma, it is a kind of aroma will emit about 40 kinds of aromatic substances. egg white

2016-05-26
Detailed analysis of the ingredients of coffee beans general knowledge of fine coffee

Detailed analysis of the ingredients of coffee beans general knowledge of fine coffee

Moisture: the water content of coffee beans varies greatly with different processing stages and products. The moisture content of wet coffee beans with film is about 50%, while that of dried raw coffee beans is about 10%-13%. The water content of roasted coffee beans is only less than 5%. The existence of water in coffee beans is the same as other kinds of food and beverages, because it contains a considerable amount of hydration colloid macromolecules.

2015-02-25
The basic Chemical reaction of Coffee Baking process

The basic Chemical reaction of Coffee Baking process

Original: Basic Chemical Reactions Occurring in the Roasting Process by Carl Staub sourced from the SCAA Roast Color Classification System developed by Agtron-SCAA in 1995 Many thermal and chemical reactions occur during the roasting proces

2015-01-27
How to spell acid beans with beans?

How to spell acid beans with beans?

Brazil 40%, Colombia 30%, Mocha 30%, Brazil 30%, Mocha 30% Mocha 40%, Brazil 30%, Colombia 30% Brazil 50%, Colombia 50% Mocha 50%, Colombia 30%, Java 20%

2016-05-26
Knowledge of high-quality coffee beans detailed analysis of the components of coffee beans

Knowledge of high-quality coffee beans detailed analysis of the components of coffee beans

★ moisture: the water content of coffee beans varies greatly with different processing stages and products. The moisture content of wet coffee beans with film is about 50%, while that of dried raw coffee beans is about 10%-13%, and that of roasted coffee beans is only less than 5%. The existence of water in coffee beans is the same as other kinds of food and beverages, because it contains a considerable amount of hydration colloid macromolecules.

2014-09-27
Why is coffee bitter?

Why is coffee bitter?

Coffee has always been controversial. Some people say: How to call coffee without bitterness? Some people say that good coffee has a pleasant bitterness. There are also many people who say that good coffee should not have bitter taste! Suffering is bad! Why is coffee bitter? What is the meaning of this? When it comes to coffee's bitter ingredients, perhaps most people's first reaction is caffeine! So the caffeine is really

2015-06-05
Detailed analysis of the ingredients of coffee beans what are the ingredients in a coffee bean?

Detailed analysis of the ingredients of coffee beans what are the ingredients in a coffee bean?

★ moisture: the water content of coffee beans varies greatly with different processing stages and products. The moisture content of wet coffee beans with film is about 50%, while that of dried raw coffee beans is about 10%-13%, and that of roasted coffee beans is only less than 5%. The existence of water in coffee beans is the same as other kinds of food and beverages, because it contains a considerable amount of hydration colloid macromolecules.

2015-10-09
How does the sour and bitter in coffee come from?

How does the sour and bitter in coffee come from?

Many thermal and chemical reactions take place during baking: decarbonation, dehydration of quinic acid, subdivision, isomerization, polymerization, and complex sugar reactions (caramelization).

2014-08-25
Roasting technology Coffee roasting awakens the world's most intense aromas

Roasting technology Coffee roasting awakens the world's most intense aromas

Grasp a handful of coffee beans smell, there is always a pungent earthy smell, different from the impression of charming coffee fragrance. However, when properly roasted, raw beans emit the world's most intense aroma. The tiny high-altitude Arabica green bean is like a warehouse full of chemicals. Scientists have identified more than 2,000 known ingredients, including 700 to 700.

2014-10-22
Coffee Roasting Awakens the World's Strongest Aromas Coffee Roasting

Coffee Roasting Awakens the World's Strongest Aromas Coffee Roasting

Grasp a handful of coffee beans smell, there is always a pungent earthy smell, different from the impression of charming coffee fragrance. However, when properly roasted, raw beans emit the world's most intense aroma. The tiny high-altitude Arabica green bean is like a warehouse full of chemicals. Scientists have identified more than 2,000 known ingredients, including 700 to 700.

2015-02-26
Baking Theory and debate of Coffee Bean roasting

Baking Theory and debate of Coffee Bean roasting

Grab a handful of coffee raw beans smell, there is always a pungent smell, very different from the impression of the charming smell of coffee. However, after roasting "fragrance" correctly, raw beans will emit the strongest aroma in the world.

2014-09-09
Professional roasting theory of coffee beans roasting aroma elves

Professional roasting theory of coffee beans roasting aroma elves

Grab a handful of coffee raw beans smell, there is always a pungent smell, very different from the impression of the charming smell of coffee. However, after roasting "fragrance" correctly, raw beans will emit the strongest aroma in the world. The small high-altitude Arabica coffee raw beans are like a warehouse full of chemicals. At present, scientists have identified more than 2,000 known ingredients, including 700 to 700.

2015-11-03
Basic chemical reactions in the roasting process of coffee in both Chinese and English

Basic chemical reactions in the roasting process of coffee in both Chinese and English

Original: Basic Chemical Reactions Occurring in the Roasting Process by Carl Staub sourced from the SCAA Roast Color Classification System developed by Agtron-SCAA in 1995 Many thermal and chemical reactions occur during the roasting proces

2015-04-14
Coffee roasting awakens the world's richest aroma roasting tips

Coffee roasting awakens the world's richest aroma roasting tips

Grab a handful of coffee raw beans smell, there is always a pungent smell, very different from the impression of the charming smell of coffee. However, after roasting "fragrance" correctly, raw beans will emit the strongest aroma in the world. The small high-altitude Arabica coffee raw beans are like a warehouse full of chemicals. At present, scientists have identified more than 2,000 known ingredients, including 700 to 700.

2015-09-14
Explanation of the basic chemical reaction of coffee roasting in both Chinese and English

Explanation of the basic chemical reaction of coffee roasting in both Chinese and English

Original: Basic Chemical Reactions Occurring in the Roasting Process by Carl Staub sourced from the SCAA Roast Color Classification System developed by Agtron-SCAA in 1995 Many thermal and chemical reactions occur during the roasting proces

2015-10-26
Coffee roasting awakens the world's richest aroma coffee roasting knowledge

Coffee roasting awakens the world's richest aroma coffee roasting knowledge

Grab a handful of coffee raw beans smell, there is always a pungent smell, very different from the impression of the charming smell of coffee. However, after roasting "fragrance" correctly, raw beans will emit the strongest aroma in the world. The small high-altitude Arabica coffee raw beans are like a warehouse full of chemicals. At present, scientists have identified more than 2,000 known ingredients, including 700 to 700.

2015-02-11
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