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Why is coffee bitter?

Why is coffee bitter?

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. At the annual meeting of the American Chemical Society, scientists reported that the two bitter chemical molecules were produced during the processing of coffee.

2014-07-23
Bees also love caffeine, call friends, coffee pollen.

Bees also love caffeine, call friends, coffee pollen.

Coffee can be refreshing, and a study shows that it has the same effect on bees. A study from the University of Sussex in the UK shows that coffee is not only loved by people, but also by bees. The stems, leaves and seeds of some plants contain caffeine, which can be used as a natural insect repellent and attract bees to pollinate honey. The researchers tried to expose bees to caffeine and found

2016-06-08
To refresh yourself, you need to know the right time for coffee.

To refresh yourself, you need to know the right time for coffee.

It is an indisputable fact that drinking coffee can cheer you up. However, the refreshing coffee also needs to pay attention to the time period, which must be unknown to many people. Sometimes, after we drink coffee, the refreshing effect is not obvious, why? Next, let's take a look. Many people like to make a cup of coffee after they get to the office in the morning, so that they can get rid of themselves.

2015-04-25
The hygienic condition of Costa is worrying

The hygienic condition of Costa is worrying

When it comes to coffee shops, people are often associated with fashionable white-collar workers and couples dating, and become synonymous with quiet, neat and elegant. Recently, some people have reported that there are hygiene problems in this kind of high-end catering place. In March this year, our reporter undercover the global chain of well-known brands COSTA coffee Xidan Juntai shop, found that there are staff in the tableware cleaning pool rinsing mop, shampoo. Secret visit

2014-04-27
Coffee and healthy coffee are recognized as healthy drinks.

Coffee and healthy coffee are recognized as healthy drinks.

Coffee is recognized as a healthy drink, but drinking coffee must be reasonable and scientific in order to be beneficial to health. When it comes to coffee, people will think of caffeine. Caffeine is a softer stimulant in coffee, which can improve the body's sensitivity, attention, metabolism, mental state and physical fitness. At present,

2015-07-03
Does coffee have anything to do with coronary heart disease?

Does coffee have anything to do with coronary heart disease?

Professor GaryWilliamson of Leeds University said that polyphenols have been shown to reduce platelet aggregation and reduce the risk of cardiovascular disease. They studied smokers in Europe and found that the body's antioxidant status and vasodilation improved after taking dark chocolate. It is proved that chocolate can protect vascular endothelial function because it contains a lot of polyphenols.

2015-04-25
Coffee research American scientific research says coffee red wine has an effect on intelligence

Coffee research American scientific research says coffee red wine has an effect on intelligence

Guide: Serena Dudek, a researcher at the National Institute of Environmental Health Sciences, has found that caffeine increases activity in the CA2 region of the hippocampus, meaning signals can be better transmitted in the brain, thereby improving learning ability. A research team led by Pryce, a professor at University College London, published a paper in the journal Nature saying that teenagers have IQ.

2015-02-09
Study says four cups of coffee a day reduces the risk of uterine cancer by 25%

Study says four cups of coffee a day reduces the risk of uterine cancer by 25%

According to the Daily Mail of November 23, a large-scale long-term study by Harvard University published in the journal Cancer Epidemiology, Biomarkers and Prevention found that women who drank four cups of coffee a day reduced the risk of uterine cancer by 25%. Drinking coffee regularly can especially reduce the risk of the most common type of endometrial cancer. The new study was carried out by scientists from the School of Public Health at Harvard University.

2014-04-27
Coffee, how to drink the healthiest? Two cups of coffee for dementia.

Coffee, how to drink the healthiest? Two cups of coffee for dementia.

A cup of coffee can also keep you awake: Greek research has found that drinking a cup of coffee a day can help lower blood pressure. Those who drank one or two cups of coffee a day had the healthiest cardiovascular health. Scientists believe that this is because antioxidants in coffee help increase the production of nitrogen oxides in the body, which can relax blood vessel walls and thus health.

2015-08-26
To refresh coffee, you need to know the right time to drink coffee

To refresh coffee, you need to know the right time to drink coffee

It is an indisputable fact that drinking coffee can cheer you up. However, the refreshing coffee also needs to pay attention to the time period, which must be unknown to many people. Sometimes, after we drink coffee, the refreshing effect is not obvious, why? Next, let's take a look. Many people like to make a cup of coffee after they get to the office in the morning, so that they can get rid of themselves.

2014-11-27
What kinds of fine coffee do you have?

What kinds of fine coffee do you have?

In plant taxonomy, coffee belongs to the Genus Coffea family of Rubiaceae, and there are at least a hundred varieties of coffee under it.

2014-08-05
7 facts about caffeine that coffee drinkers must know

7 facts about caffeine that coffee drinkers must know

Coffee is a common drink. But how much do you know about caffeine, an important ingredient in coffee? Women's Health magazine recently published 7 things you didn't know about caffeine. 1. Caffeine is good for both short-term and long-term memory. Earlier studies have found that caffeine helps short-term memory, and more recent studies have found that caffeine also helps long-term memory

2015-03-13
Coffee basic knowledge American scientific research says coffee red wine has an effect on intelligence

Coffee basic knowledge American scientific research says coffee red wine has an effect on intelligence

Guide: Serena Dudek, a researcher at the National Institute of Environmental Health Sciences, has found that caffeine increases activity in the CA2 region of the hippocampus, meaning signals can be better transmitted in the brain, thereby improving learning ability. A research team led by Pryce, a professor at University College London, published a paper in the journal Nature saying that teenagers have IQ.

2014-12-01
Coffee healthy life how to drink coffee can prevent disease?

Coffee healthy life how to drink coffee can prevent disease?

Nowadays, coffee is no longer strange to the Chinese. Coffee shops in the city are all over the streets; in supermarkets and in front of vending machines, there are always people who pick up a bottle of canned coffee; and white-collar workers inevitably use coffee to refresh themselves during working hours. There is also an endless stream of research on coffee: new German research shows that drinking more coffee can help prevent hair loss in men; British dietary nutritionist

2015-07-03
Coffee cup lid detoxifies and causes cancer

Coffee cup lid detoxifies and causes cancer

Coffee cup lid may release carcinogens! A spot check by the Taipei Municipal Health Bureau found that 13 local fast food chains and coffee shops, including the No. 6 PS coffee cup provided by Starbucks in Taiwan, will deform when exposed to heat, fearing the release of chemicals that can cause liver cancer and blood a cancer. Seven local shops still continue to use such lids. Our reporter inspected the Hong Kong market yesterday and found a number of companies

2014-04-27
The study found that four cups of coffee a day reduced the risk of gout by 75%

The study found that four cups of coffee a day reduced the risk of gout by 75%

With the improvement of people's living standards, gout has become a disease with a high incidence in today's society.

2015-11-06
Effect of Coffee Encyclopedia Coffee on Human body

Effect of Coffee Encyclopedia Coffee on Human body

The caffeine in coffee is a white powder, odorless, slightly bitter nitrogen compound, which is prescribed by the British Pharmaceutical Code at a dose of 0.65 grams per day. Caffeine and its metabolites can be excreted from the body in the form of urination within 24 hours. It can affect the brain, heart, blood vessels, intestines and stomach, kidney and other parts of the body. Appropriate amount of caffeine will stimulate the cerebral cortex and promote sensory memory.

2014-09-13
If you want to be refreshed, you need to know the right time for coffee.

If you want to be refreshed, you need to know the right time for coffee.

It is an indisputable fact that drinking coffee can cheer you up. However, the refreshing coffee also needs to pay attention to the time period, which must be unknown to many people. Sometimes, after we drink coffee, the refreshing effect is not obvious, why? Next, let's take a look. Many people like to make a cup of coffee after they get to the office in the morning, so that they can get rid of themselves.

2015-11-10
Regular coffee drinking helps reduce cancer risk

Regular coffee drinking helps reduce cancer risk

With the increasing incidence and number of cases, cancer, which is regarded as an incurable disease, has attracted more and more attention from the medical community. Unfortunately, so far, there are almost no drugs and therapies that can completely cure cancer, but can only reduce the spread of cancer cells to a certain extent. At the same time, through a variety of diet, exercise, health care drugs to reduce the risk of cancer

2014-09-03
To refresh yourself, you need to know the right time for coffee.

To refresh yourself, you need to know the right time for coffee.

It is an indisputable fact that drinking coffee can cheer you up. However, the refreshing coffee also needs to pay attention to the time period, which must be unknown to many people. Sometimes, after we drink coffee, the refreshing effect is not obvious, why? Next, let's take a look. If you want to be refreshed, you need to know the right time for coffee. Many people like to drink coffee first when they get to the office in the morning.

2015-07-28
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