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“molecular weight” search results (200)

Why do you want freshly ground coffee before brewing?

Why do you want freshly ground coffee before brewing?

When you smell the fragrance of coffee powder, it shows that it is deteriorating and the essence of coffee is decreasing.

2014-09-05
On the factors affecting the packaging of coffee

On the factors affecting the packaging of coffee

When the baking is finished, the coffee will be ready to use. It is important to pack it as soon as possible to avoid the loss of aroma and keep it fresh. After contact with the air, the water and oxygen in the air accelerate the oxidation process, making the quality of coffee worse. Factors affecting packaging Packaging is an important and careful process, which can protect coffee from the following factors: 1. Environment: coffee will change when in contact with air.

2015-01-23
Why choose coffee beans over coffee powder?

Why choose coffee beans over coffee powder?

When you smell the aroma of coffee powder, it means that it is deteriorating and the essence of the coffee is decreasing.

2014-07-09
Coffee brewing technology Personal understanding of coffee extraction

Coffee brewing technology Personal understanding of coffee extraction

1. Slayer pre-soaking system, three-stage extraction theory system 2. The latest concept of grinding and extraction 1. Slayer pre-soaking system + three-stage extraction theory system 1. Double-head boiler system with 1+2+1, i.e. 1 large boiler with steam + hot water +2 small boilers with brewing head. Water used for extracting coffee, independent PID temperature control, 9mm water pipe to ensure uniform water output +1 pre-soaking boiler temperature control

2015-01-08
Where does the bitterness of coffee come from?

Where does the bitterness of coffee come from?

There are about thirty different chemicals in a cup of coffee. These different compounds bring complex flavors to coffee, such as sour, astringent, bitter and so on.

2014-06-24
A cup of coffee contains about 30 different chemicals.

A cup of coffee contains about 30 different chemicals.

Human beings have a long history of quoting coffee. Coffee has not only become a part of many people's lives, but also aroused the creative inspiration of many artists.

2014-07-17
Why are coffee beans easier to maintain quality than coffee powder?

Why are coffee beans easier to maintain quality than coffee powder?

When you smell the aroma of coffee powder, it means that it is deteriorating and the essence of the coffee is decreasing.

2014-06-18
Coffee bean production methods and production methods

Coffee bean production methods and production methods

Kopi Luwak (Indonesian for coffee), Luwak refers to an Indonesian arboreal wild animal commonly known as the civet cat, which looks similar to the civet cat in southern China. Sumatra, Java, and

2016-06-03
The process of coffee extraction what is the Mena reaction?

The process of coffee extraction what is the Mena reaction?

A few days before his death on St. Helena Island in 1821, his attendant, Marshal Bertrand, wrote about begging for it: "he asked for twenty times in the morning and asked me if I could give him some more coffee." "No, my lord, the doctor ordered you to drink only one spoonful of coffee. It's not time yet. You have a bad stomach. Drinking early will only make you vomit early. "he threw up nine times this morning.

2015-03-13
Where does the bitter taste of coffee come from?

Where does the bitter taste of coffee come from?

German scientists have discovered the molecule that brings bitterness to coffee. Human beings have a long history of quoting coffee. Coffee has not only become a part of many people's lives, but also aroused the creative inspiration of many artists.

2014-06-10
Where does the bitterness in premium coffee come from?

Where does the bitterness in premium coffee come from?

A cup of coffee is a complex drink made up of more than 30 chemicals that determine the taste, aroma and acidity of the coffee. Since the 1930s, scientists have isolated and identified a variety of chemicals related to the sensory composition of coffee, but no one can figure out what makes coffee so bitter. In order to solve this mystery, science has to cook.

2014-12-25
Why does Fine Coffee emphasize freshly ground Coffee

Why does Fine Coffee emphasize freshly ground Coffee

If the diameter of the coffee powder is doubled, the volume of a single particle is reduced by 1 × 8, and the surface area of the corresponding total coffee powder is doubled. After the coffee bean is ground into coffee powder, its surface area increases exponentially, and the area of contact with air increases hundreds of times. The extremely important acidic and volatile fats in roasted coffee beans once exposed to air

2014-10-17
Coffee common sense Why is plain coffee bitter?

Coffee common sense Why is plain coffee bitter?

Today, several friends have expressed to varying degrees that they do not adapt to the bitter taste of pure coffee. I believe many people feel the same way, but why is pure coffee bitter? A seemingly simple problem has been bothering scientists for decades. Now, scientists have narrowed down their research and targeted two chemical molecules. You have a cup of coffee, actually.

2015-03-12
Why does coffee smell so good? Caramelization and Mena reaction during coffee roasting

Why does coffee smell so good? Caramelization and Mena reaction during coffee roasting

A few days before Napoleon died on St. Helena Island in 1821, his attendant Marshal Bertrand wrote about Napoleon begging: "he asked for twenty times in the morning and asked me if I could give him some more coffee." "No, my lord, the doctor ordered you to drink only one spoonful of coffee. It's not time yet. You have a bad stomach. Drinking early will only make you vomit early. "he threw up nine times this morning.

2015-08-31
Analysis of coffee composition where does the bitterness in coffee come from

Analysis of coffee composition where does the bitterness in coffee come from

A cup of coffee is a complex drink made up of more than 30 chemicals that determine the taste, aroma and acidity of the coffee. Since the 1930s, scientists have isolated and identified a variety of chemicals related to the sensory composition of coffee, but no one can figure out what makes coffee so bitter. In order to solve this mystery, science has to cook.

2014-09-27
Caramelization of coffee during roasting and Mena reaction roasting coffee bean roaster

Caramelization of coffee during roasting and Mena reaction roasting coffee bean roaster

A few days before Napoleon died on St. Helena Island in 1821, his attendant Marshal Bertrand wrote about Napoleon begging: "he asked for twenty times in the morning and asked me if I could give him some more coffee." "No, my lord, the doctor ordered you to drink only one spoonful of coffee. It's not time yet. You have a bad stomach. Drinking early will only make you vomit early. "he threw up nine times this morning.

2016-06-20
Basic knowledge of coffee where does the bitterness in coffee come from

Basic knowledge of coffee where does the bitterness in coffee come from

A cup of coffee is a complex drink made up of more than 30 chemicals that determine the taste, aroma and acidity of the coffee. Since the 1930s, scientists have isolated and identified a variety of chemicals related to the sensory composition of coffee, but no one can figure out what makes coffee so bitter. In order to solve this mystery, science has to cook.

2014-11-18
Coffee extraction-how to judge a good cup of coffee? What do you mean by extraction rate and coffee concentration?

Coffee extraction-how to judge a good cup of coffee? What do you mean by extraction rate and coffee concentration?

The taste and extraction methods of coffee are very diverse. The European Fine Coffee Association once put forward the concept of Gold cup. A certain extraction rate and coffee concentration determine the taste of coffee. However, what is the extraction rate, and what is its effect on the taste of coffee?. Here is some knowledge sharing: extraction rate: the ground coffee powder is not completely soluble in water, but really soluble in water.

2016-02-22
Why do coffee shops emphasize freshly ground coffee?

Why do coffee shops emphasize freshly ground coffee?

If the diameter of the coffee powder is doubled, the volume of a single particle is reduced by 1 × 8, and the surface area of the corresponding total coffee powder is doubled. After the coffee bean is ground into coffee powder, its surface area increases exponentially, and the area of contact with air increases hundreds of times. The extremely important acidic and volatile fats in roasted coffee beans once exposed to air

2015-03-03
Coffee Basics Coffee bitterness comes from processing

Coffee Basics Coffee bitterness comes from processing

In western countries, people drink a cup of coffee every morning. In order to cover up the bitterness of coffee, some milk powder and granulated sugar are often added. Why is coffee bitter? What seems like a simple question has puzzled scientists for decades. Now, scientists have narrowed their search to two chemical molecules. in the American Chemical

2014-11-14
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