Home › Search › Chemistry

“Chemistry” search results (470)

Treatment of decaffeinated coffee beans

Treatment of decaffeinated coffee beans

At present, there are three ways to remove caffeine from coffee beans:

2014-07-09
Coffee basic knowledge Coffee bitterness comes from the processing process

Coffee basic knowledge Coffee bitterness comes from the processing process

In western countries, people drink a cup of coffee every morning. In order to cover up the bitterness of the coffee, they often add some milk powder and sugar. But why is coffee bitter? A seemingly simple problem has been bothering scientists for decades. Now, scientists have narrowed down their research and targeted two chemical molecules. Chemistry in the United States

2014-12-10
Italian coffee, extra quick Espresso, small coffee.

Italian coffee, extra quick Espresso, small coffee.

The practice of Italian coffee originated in Italy, and in Italian, the translated word means especially fast. Coffee is the most popular drink at the moment. Similarly, there are many varieties and brands of coffee, which bring more choices to consumers. However, among the many coffees, the popularity of Italian coffee is very optimistic. According to survey statistics, most of them are consumed.

2015-08-10
Scientists have discovered the molecules that bring bitterness to coffee

Scientists have discovered the molecules that bring bitterness to coffee

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. For example, the German composer Bach once wrote an oratorio for coffee to describe his love of coffee. There are about thirty in a cup of coffee

2015-10-28
Coffee weight loss raw coffee beans contain chlorogenic acid to help lose weight

Coffee weight loss raw coffee beans contain chlorogenic acid to help lose weight

Raw coffee beans seem to help weight loss coffee lose weight, a US study has found. American researchers conducted a small experiment involving 16 obese men and women for 22 weeks. Aged between 22 and 46, none of them changed their eating habits and had enough daily activity. The results showed that the average person who ate raw coffee bean supplements every day

2014-06-28
Why emphasize the basic knowledge of freshly ground coffee

Why emphasize the basic knowledge of freshly ground coffee

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

2015-10-13
Coffee common sense 4 cups of coffee a day reduces the risk of diabetes

Coffee common sense 4 cups of coffee a day reduces the risk of diabetes

In addition to being refreshing, drinking coffee can also reduce the risk of diabetes. A study by Huazhong University of Science and Technology in China pointed out that some substances in coffee can effectively inhibit harmful islet starches in the human body, and drinking more than 4 cups of coffee a day can reduce the risk of diabetes by 50%. Even each additional cup of coffee can reduce the risk of type 2 diabetes by 7%. Britain "every"

2015-06-24
The benefits of a cup of coffee a day

The benefits of a cup of coffee a day

According to a new study from Cornell University, drinking one cup of coffee a day can reduce the risk of retinal degeneration caused by aging, diabetes and glaucoma. In the new study, a professor of food science at Cornell University and his colleagues exposed the eyes of some experimental mice to nitric oxide gas, which leads to oxidative pressure and free radicals.

2016-05-25
You need to know the technical work of making Espresso coffee. What beans do you use to brew Espresso coffee?

You need to know the technical work of making Espresso coffee. What beans do you use to brew Espresso coffee?

Generally speaking, large coffee beans can produce better coffee. In the case that the quality of coffee beans has been fully assured, the first technical problem to be solved is blending. Blending refers to the selection of coffee beans of different origin and quality to achieve the desired results. The matching technology school believes that 50% of the success factors of a perfect Espresso depend on the composition and quality of the match. no

2016-01-19
Utensils for making a good cup of coffee American dripping coffee pot Chemex

Utensils for making a good cup of coffee American dripping coffee pot Chemex

American Chemex- classic hand coffee filter pot, with elegant and smooth beautiful body, is made of laboratory-grade heat-resistant borosilicate glass, and the waist is easily held with detachable "smooth wood" rings to avoid hot hands when brewing coffee, and then knotted and fixed with exquisite leather string, which is fascinating to people's eyes, and has the value of art collection.

2015-09-01
Honduras Coffee Flavor taste Manor production area introduces San Juan Theodore

Honduras Coffee Flavor taste Manor production area introduces San Juan Theodore

The extremely balanced nature of Honduran coffee makes it a wide range of uses. Can be used to mix coffee, can also be used as a single product to brew, mixed with Honduran coffee Italian concentrate will have a surprising effect. Although in troubled times, coffee can also grow its own beauty, it is not difficult to understand why so many people are so obsessed with this dark liquid.

2016-06-15
Where did coffee bitterness come from? Found the molecule that gives coffee bitterness

Where did coffee bitterness come from? Found the molecule that gives coffee bitterness

German scientists have discovered the molecule that gives coffee its bitter taste. Coffee has a long history of human consumption. Coffee has not only become a part of many people's lives, but also inspired many artists. For example, the German composer Bach wrote an oratorio about coffee to describe his love of coffee. A cup of coffee contains about 30

2015-09-08
Why does the basic knowledge of coffee emphasize freshly ground coffee?

Why does the basic knowledge of coffee emphasize freshly ground coffee?

Why emphasize freshly ground coffee? When you smell the fragrance of coffee powder, it shows that it is deteriorating and the essence of coffee is decreasing. 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 is in contact with the air.

2014-11-22
Why does the basic knowledge of fine coffee emphasize freshly ground coffee?

Why does the basic knowledge of fine coffee emphasize freshly ground coffee?

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

2014-11-19
High-quality coffee common sense coffee bitterness comes from the processing process

High-quality coffee common sense coffee bitterness comes from the processing process

In western countries, people drink a cup of coffee every morning. In order to cover up the bitterness of the coffee, they often add some milk powder and sugar. But why is coffee bitter? A seemingly simple problem has been bothering scientists for decades. Now, scientists have narrowed down their research and targeted two chemical molecules. Chemistry in the United States

2014-11-20
The rise of

The rise of "University Cafe" Culture

A part-time girl told the reporter that she was not paid for a part-time job in a cafe in order to learn how to brew all kinds of coffee and drinks and how to run and manage a coffee shop.

2014-06-05
Why is coffee bitter? the bitterness of coffee comes from the processing process.

Why is coffee bitter? the bitterness of coffee comes from the processing process.

In western countries, people drink a cup of coffee every morning. In order to cover up the bitterness of the coffee, they often add some milk powder and sugar. But why is coffee bitter? A seemingly simple problem has been bothering scientists for decades. Now, scientists have narrowed down their research and targeted two chemical molecules. Chemistry in the United States

2014-09-29
Why does the tasting of fine coffee emphasize freshly ground coffee?

Why does the tasting of fine coffee emphasize freshly ground coffee?

Why emphasize freshly ground coffee? When you smell the fragrance of coffee powder, it shows that it is deteriorating and the essence of coffee is decreasing. 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 is in contact with the air.

2014-12-30
Emphasize the significance of freshly ground coffee and drink freshly ground coffee.

Emphasize the significance of freshly ground coffee and drink freshly ground coffee.

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

2015-06-09
Studies have found that drinking coffee may prevent retinal degeneration

Studies have found that drinking coffee may prevent retinal degeneration

According to Singapore's Lianhe Zaobao on May 8, researchers in the United States and South Korea have found that drinking coffee is good for the eyes and that chlorogenic acid, an antioxidant in coffee, can prevent retinal degeneration in laboratory rats. The Cornell University team, which conducted the study, pointed out that unrefined coffee has an average of only 1% caffeine, but contains 7 to 9 percent antioxidants such as chlorogenic a

2014-07-23
↑