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The misconception of drinking coffee can cause insomnia.

The misconception of drinking coffee can cause insomnia.

At present, coffee has become an indispensable drink in our lives, but in the long journey of looking for coffee, we seem to feel the endless romance of people's enthusiasm and adventure. All the color, aroma and taste of coffee are characterized by some chemical changes in raw coffee beans after baking. So what do you need to pay attention to when drinking coffee? Misunderstanding 1.

2015-08-27
The source of the bitterness of coffee? Why is coffee bitter?

The source of the bitterness of coffee? Why is coffee bitter?

Everyone thinks that caffeine is the cause of the bitter taste of coffee, but in fact, caffeine accounts for only 10% of the bitter ingredients. As we said earlier, the concentration of caffeine in roasted beans is not affected by the degree of roasting, and decaf coffee also tastes bitter, so we can be sure that caffeine is not the whole cause of bitterness. So what is the other 90% bitterness?

2015-10-21
On the causes and Solutions of extraction factors of Coffee beans after roasting

On the causes and Solutions of extraction factors of Coffee beans after roasting

I was going to go directly into the implementation mode, but think about it or pull this article to the front first, so that you may have a general understanding of different brewing methods, and it will be easier to clarify the relationship and cause of formation of different flavors. ~ the extraction of coffee is nothing more than two things: the solubility, the longer the diffusion, the more dissolved molecules, the more complete the diffusion, of course, everyone.

2016-01-08
Introduction to the varieties of defective coffee beans

Introduction to the varieties of defective coffee beans

Coffee beans have many flaws, and there are a variety of flaws. There are many reasons for defects. Defects may affect our taste experience of coffee at different levels, and may also affect our health. However, many defects that can be clearly seen in raw beans can be quickly invisible once baked. Therefore, most of the coffee cooked beans we usually see are uniform in appearance and consistent in appearance.

2015-01-08
Introduction of coffee defective bean varieties to understand the culprit that affects the quality of a cup of coffee

Introduction of coffee defective bean varieties to understand the culprit that affects the quality of a cup of coffee

Coffee beans have many flaws, and there are a variety of flaws. There are many reasons for defects. Defects may affect our taste experience of coffee at different levels, and may also affect our health. However, many defects that can be clearly seen in raw beans can be quickly invisible once baked. Therefore, most of the coffee cooked beans we usually see are uniform in appearance and consistent in appearance.

2015-12-05
Different extraction principles of iced Coffee and chilled Coffee

Different extraction principles of iced Coffee and chilled Coffee

There are great differences between the two in the way and time of extraction: 1, hot coffee is extracted with hot water higher than 80 degrees Celsius or above 85 degrees Celsius; second, it must be extracted quickly, because too slow coffee extraction will cause miscellaneous smell. the main substance causing miscellaneous smell is tannin, which can be decomposed into pyrosylic acid after boiling, while tannin can be easily dissolved and decomposed in hot water.

2016-04-20
Boutique coffee beans: the standard of SCAA pecialty Coffee boutique coffee raw beans

Boutique coffee beans: the standard of SCAA pecialty Coffee boutique coffee raw beans

The raw bean defects of SCAA can be divided into two types: I and II. The requirement for premium coffee grade (specialty coffee) is: 1. There are no class I defects; 2. No more than 5 II class defects 3. There can be no "quaker" (0 quaker) Quick beans in cooked coffee beans. 4. The color range of raw coffee beans is pale yellow (light yellow), yellow-green (

2015-12-08
Instant coffee, take it easy. Drinking coffee doesn't cause cancer.

Instant coffee, take it easy. Drinking coffee doesn't cause cancer.

A few days ago, an article titled "Instant coffee should not be drunk, carcinogens are more than smoking" spread on the Internet. Instant coffee is said to be highly carcinogenic, containing concentrations of acrylamide, a carcinogen, even higher than cakes, French fries, potato chips and cigarettes. Ruan Guangfeng, an expert at the Food and Nutrition Information Center, said that this statement is a typical logical trap. There is no food in the world that can be described as

2015-08-04
Standard of SCAA pecialty Coffee Fine Coffee Raw Bean

Standard of SCAA pecialty Coffee Fine Coffee Raw Bean

[SCAA "Specialty Coffee" standard for high-quality coffee raw beans] the raw bean defects of SCAA can be divided into two types: I and II. The requirement for premium coffee grade (specialty coffee) is: 1. There are no class I defects; 2. No more than 5 II class defects 3. There can be no "quaker" (0 quaker) Quick beans in cooked coffee beans. 4. The appearance of raw coffee beans

2015-01-08
The standard of SCAA pecialty Coffee boutique coffee raw beans is necessary for a good cup of coffee.

The standard of SCAA pecialty Coffee boutique coffee raw beans is necessary for a good cup of coffee.

The raw bean defects of SCAA can be divided into two types: I and II. The requirement for premium coffee grade (specialty coffee) is: 1. There are no class I defects; 2. No more than 5 II class defects 3. There can be no "quaker" (0 quaker) Quick beans in cooked coffee beans. 4. The color range of raw coffee beans is pale yellow (light yellow), yellow-green (

2015-12-05
The aroma of coffee is caused by the oil of coffee. It is the oil in coffee.

The aroma of coffee is caused by the oil of coffee. It is the oil in coffee.

The aroma of coffee is olfactory, and the aroma is taste, which is the difference between aroma and fragrance. Aroma is the emotional communication between coffee and people, which brings people more spiritual and emotional experience and enjoyment; aroma is the pleasure of coffee to the skin to meet people's instinctive desires. One is metaphysical, the other is metaphysical. They don't come from at all.

2016-03-22
Fall in love with white coffee

Fall in love with white coffee

White coffee not only connects the pure aroma of natural coffee, but also overcomes the shortcomings of traditional coffee. White coffee is not hot and dry, does not get angry easily, and is also very irritating to the gastrointestinal tract.

2014-07-23
Coffee causes cancer? Experts interpret the right and wrong of coffee

Coffee causes cancer? Experts interpret the right and wrong of coffee

When it comes to the ingredients of coffee, most people's first reaction is caffeine. Caffeine can excite the nerves and refresh you. Caffeine is essentially an alkaloid that protects plants from pests and paralyzes them during plant growth. Nowadays, many refreshing drinks (such as sports drinks) and tea contain caffeine. In addition, caffeine can improve exercise

2015-03-19
Coffee causes cancer? Experts interpret the right and wrong of coffee

Coffee causes cancer? Experts interpret the right and wrong of coffee

When it comes to the ingredients of coffee, most people's first reaction is caffeine. Caffeine can excite the nerves and refresh you. Caffeine is essentially an alkaloid that protects plants from pests and paralyzes them during plant growth. Nowadays, many refreshing drinks (such as sports drinks) and tea contain caffeine. In addition, caffeine can improve exercise

2015-08-04
Coffee causes cancer? Experts interpret the right and wrong of coffee

Coffee causes cancer? Experts interpret the right and wrong of coffee

When it comes to the ingredients of coffee, most people's first reaction is caffeine. Caffeine can excite the nerves and refresh you. Caffeine is essentially an alkaloid that protects plants from pests and paralyzes them during plant growth. Nowadays, many refreshing drinks (such as sports drinks) and tea contain caffeine. In addition, caffeine can improve exercise

2015-08-26
Can drinking too much coffee cause hearing problems? Coffee Health

Can drinking too much coffee cause hearing problems? Coffee Health

In the study, published in the journal Personality and Individual Differences, 92 nonclinical participants were placed in high-and low-stress situations, consuming high and low levels of caffeine. Then they listened to a background noise, ready to find the melody of "White Christmas" hidden in it, and reported it to the experimenter. The noise consists of various frequencies, and it sounds like

2015-08-03
Eight factors affecting the taste of coffee

Eight factors affecting the taste of coffee

There are eight main factors affecting coffee: (1) the temperature of the extracted water, (2) the degree of grinding, (3) the extraction pressure, (4) the amount of powder, (5) the degree of extrusion, (6) water quality, (7) machinery and equipment, (8) human temperature: why temperature is listed as the first focus of discussion. Because other factors are better solved and there are coffee bean quality, different varieties are different. But for the average machine, the temperature

2014-05-12
Knowledge | Classification of defective beans

Knowledge | Classification of defective beans

If too many defective beans are mixed into coffee roasting, the color of the finished product will be mottled. Compared with normal beans, defective beans oxidize very quickly and sometimes turn white after baking. Cheap coffee beans are often sold in stores such as supermarkets or coffee shops. if you open those packages, you can find that they are mixed with a lot of unevenly roasted beans.

2016-08-20
Common Flavor and Taste Characteristics--Relationship between Coffee Grain Species and Flavor

Common Flavor and Taste Characteristics--Relationship between Coffee Grain Species and Flavor

Many people blame coffee astringency on baristas or roasters, thinking it is caused by improper extraction or roasting, but in fact there are many reasons for astringency. Let's analyze them one by one! The first is the raw bean part. Differences in astringency caused by variety differences. Roberta beans tend to be more astringent than arabica beans because arabica beans contain only 5.58% chlorogenic acid, while Roberta beans tend to be more astringent than arabica beans.

2016-10-18
Coffee common sense the difference between iced coffee and hot coffee with ice

Coffee common sense the difference between iced coffee and hot coffee with ice

There is an essential difference between ● ice drop coffee and iced coffee. Ice drop (or ice brew) coffee and ice or ice coffee seem to be a word of difference, but the two are essentially different in extraction and should not be confused. Ice drop (also known as ice brew) coffee is a coffee beverage extracted by soaking in water below 5 degrees Celsius for a long time at a low temperature. Iced coffee or iced coffee refers to quick extraction with hot water

2015-01-21
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