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What are the "chemical" ingredients in a cup of coffee?

The taste is delicious and fragrant. As can be seen from the advertising words of coffee, flavor is the soul of coffee. Recently, "Coffee Flavor Chemistry", co-written by Dr. Zeng Fankui of Lanzhou Institute of Chemical Physics of Chinese Academy of Sciences and Professor ou Shiyi of Food Department of Jinan University, was published by Jinan University Publishing House. This is the first academic monograph on coffee processing in China. Set

2015-09-09
We need to pay attention to some key points in the process of baking.

We need to pay attention to some key points in the process of baking.

You need to pay attention to some key points in the baking process. First, the firepower should not be too strong, or the beans are not baked evenly, there are strong and light, the taste is very bad. Second, do not bake quickly with a strong fire, because the baking is excessive, and the bean heart burns with bitterness, so be patient. Third, during baking, there will be thick smoke and fragrance, and the skin of coffee beans will bloom at the beginning. So it should be covered with aluminum foil in advance.

2015-09-15
There are only two ways to identify coffee.

There are only two ways to identify coffee.

(1) pre-brewing identification? Good instant caffeine is brown to dark brown due to different varieties and processes; irregular particles with a size of about 2 mm mixed with some fine powder; the unique aroma of coffee is reflected by Maillard reaction during stir-frying. ? The color of inferior instant coffee is dark, some are iron black, and the tissue state is caked or agglomerated due to moisture or other reasons.

2014-12-18
Introduction to the main points of coffee roasting

Introduction to the main points of coffee roasting

(reprint) grab a handful of coffee and smell raw beans, there is always a pungent smell, which is very different from the charming smell of coffee in your impression. 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.

2015-12-16
Do you know what it means to raise beans?

Do you know what it means to raise beans?

The fresher the coffee beans, the more aromatic substances they retain, but the beans are not as fresh as possible. There is a time called "bean cultivation period" that most freshly roasted coffee beans have to go through.

2014-08-18
Roasting Theory of Coffee beans (1)

Roasting Theory of Coffee beans (1)

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.

2014-07-04
Coffee bean roasting principle, fine coffee, general knowledge of coffee.

Coffee bean roasting principle, fine coffee, general knowledge of coffee.

The small, high-altitude raw Arabica coffee beans are like a warehouse full of chemicals. At present, scientists have identified more than 2, 000 known ingredients, of which 70 to 850 are aromatic ingredients, which can be called the most fragrant in the human diet. There are only 150 kinds of vanilla used for seasoning in the catering industry, and the mellow composition of wine is also far away.

2015-01-27
Principle of coffee bean baking basic knowledge of coffee bean

Principle of coffee bean baking basic knowledge of coffee bean

The small, high-altitude raw Arabica coffee beans are like a warehouse full of chemicals. At present, scientists have identified more than 2, 000 known ingredients, of which 70 to 850 are aromatic ingredients, which can be called the most fragrant in the human diet. There are only 150 kinds of vanilla used for seasoning in the catering industry, and the mellow composition of wine is also far away.

2015-04-14
General knowledge of roasting of fine coffee coffee bean baking theory (1)

General knowledge of roasting of fine coffee coffee bean baking theory (1)

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.

2014-12-10
Coffee Flavor Chemistry the first academic monograph on coffee processing in China Coffee Book

Coffee Flavor Chemistry the first academic monograph on coffee processing in China Coffee Book

The taste is delicious and fragrant. As can be seen from the advertising words of coffee, flavor is the soul of coffee. Recently, "Coffee Flavor Chemistry", co-written by Dr. Zeng Fankui of Lanzhou Institute of Chemical Physics of Chinese Academy of Sciences and Professor ou Shiyi of Food Department of Jinan University, was published by Jinan University Publishing House. This is the first academic monograph on coffee processing in China. Set

2016-04-22
Boutique Coffee Science understanding Roasting Coffee roasting degree roasting Coffee percentage what do you think

Boutique Coffee Science understanding Roasting Coffee roasting degree roasting Coffee percentage what do you think

The average chemical composition of raw coffee beans is as follows: water 12%, nitrogen 12%, fat 12%, sugar and dextrin (dextrine) 10%, other non-nitrogen substances 18%, dust 4%, tannin 6.7%, caffeine 1.2%, coffee essential oil 0.1%. Of course, these data are not

2023-03-16
Coffee beans roasting knowledge Coffee beans roasting theory

Coffee beans roasting knowledge Coffee beans roasting theory

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.

2014-12-17
The principle of roasting coffee beans the secret of baking coffee beans

The principle of roasting coffee beans the secret of baking coffee beans

The small, high-altitude raw Arabica coffee beans are like a warehouse full of chemicals. At present, scientists have identified more than 2, 000 known ingredients, of which 70 to 850 are aromatic ingredients, which can be called the most fragrant in the human diet. There are only 150 kinds of vanilla used for seasoning in the catering industry, and the mellow composition of wine is also far away.

2015-10-27
How to distinguish good coffee? Like taste? Color? Solubility?

How to distinguish good coffee? Like taste? Color? Solubility?

How to distinguish good coffee? Like taste? Color? Solubility? There are two ways to identify coffee: (1) identification before brewing? Good quality instant caffeine varieties and processes are brown to dark brown; the state of the organization is irregular particles of about 2 mm in size, mixed with some fine powder; due to the Maillard reaction occurred during frying, it reflects the unique aroma of coffee. poor speed

2015-05-25
Two methods for the identification of coffee before or after brewing

Two methods for the identification of coffee before or after brewing

There are only two ways to identify coffee: (1) identification before brewing? Good instant caffeine is brown to dark brown due to different varieties and processes; irregular particles with a size of about 2 mm mixed with some fine powder; the unique aroma of coffee is reflected by Maillard reaction during stir-frying. ? The color of inferior instant coffee is dark, and some of them are iron black.

2015-03-26
There are two ways to identify coffee before and after brewing.

There are two ways to identify coffee before and after brewing.

(1) pre-brewing identification? Good instant caffeine is brown to dark brown due to different varieties and processes; irregular particles with a size of about 2 mm mixed with some fine powder; the unique aroma of coffee is reflected by Maillard reaction during stir-frying. ? The color of inferior instant coffee is dark, some are iron black, and the tissue state is caked or agglomerated due to moisture or other reasons.

2015-05-13
Roasting Technology of Cafe Coffee Bean Baking Theory (1)

Roasting Technology of Cafe Coffee Bean Baking Theory (1)

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.

2014-09-29
The basic knowledge of Coffee Bean roasting Coffee Bean Baking Theory (1)

The basic knowledge of Coffee Bean roasting Coffee Bean Baking Theory (1)

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.

2015-10-13
Coffee bean roasting theory fine coffee roasting

Coffee bean roasting theory fine coffee 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. 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.

2015-03-25
Basic knowledge of distinguishing Fine Coffee from genuine Coffee

Basic knowledge of distinguishing Fine Coffee from genuine Coffee

The coffee here refers to the brown powdered solid drink of raw coffee beans roasted and ground. Common adulterants in coffee are chicory root powder, roasted ground grains, etc., or processed with other bean-shaped seeds instead of coffee beans. The sensory coffee is brown and powdery. Due to the Maillard reaction during roasting, the coffee has a special aroma, and counterfeit coffee has no or

2015-03-26
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