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Where does the bitterness and acid of coffee come from?

Where does the bitterness and acid of coffee come from?

To solve this mystery, Thomas Hofmann, a scientist at the Technical University of Munich in Germany, decided to investigate the bitter taste of coffee. He filtered the brewed coffee and found that some of the smallest molecules tasted the most bitter. So he ran a series of experiments using mass spectrometry, and identified one of them as chlorogenic acid lactone.

2015-09-10
The Americans like shallow baking, while the British like deep baking.

The Americans like shallow baking, while the British like deep baking.

The Americans like shallow baking, while the British love deep baking. In the baking world, there is no unimpeded passport. Through the burning of the fire, release the aroma of coffee, sprinkle the personality of each fruit-- sour, sweet, bitter, incisively and vividly, from the tasteless raw beans to the mellow aftertaste in the cup-- baking, it is the long journey of every coffee bean.

2015-09-21
The roasting process of coffee the baking technology of coffee beans

The roasting process of coffee the baking technology of coffee beans

The Americans like shallow baking, while the British love deep baking. In the baking world, there is no unimpeded passport. Through the burning of the fire, release the aroma of coffee, sprinkle the personality of each fruit-- sour, sweet, bitter, incisively and vividly, from the tasteless raw beans to the mellow aftertaste in the cup-- baking, it is the long journey of every coffee bean.

2015-03-06
Coffee brewing tips provide you with the following tips

Coffee brewing tips provide you with the following tips

From green beans to a cup of strong espresso, every step in between is very important and affects the quality of the final product. While you know how to choose the best and most appropriate coffee beans, you must also know which brewing method to use in order to achieve a perfect cup of coffee. Knowing how to make the perfect cup of coffee is like knowing how to use it.

2015-05-27
Key points of coffee roasting techniques: coffee roasting degree resolution chart can easily analyze the roasting principle.

Key points of coffee roasting techniques: coffee roasting degree resolution chart can easily analyze the roasting principle.

American Coffee Association (SCAA) roasting standard this standard uses infrared caramelization tester technology (Agtron) to measure the color of coffee beans to determine the roasting degree of coffee, and the color is divided into eight equal parts into eight standard color blocks for coffee industry as roasting identification. The above colors are for reference only according to the baking degree preferred by each country. This is also coffee roasting.

2015-12-16
Green Mountain Coffee sold in cups

Green Mountain Coffee sold in cups

Can coffee have a different model from Starbucks? Green Mountain Coffee Roasters, a coffee company founded in Vermont in 1981, has seen its share price soar in recent years, far surpassing Starbucks. Its coffee is of high quality but low price, and it doesn't make money by selling coffee, but it can sell 1 billion K cups a year, which is the real source of profit. Through both of you

2014-06-28
How to choose coffee and raw beans by hand? Choose the right raw coffee beans? Lin Dong Mantenin, Sumatra, Indonesia

How to choose coffee and raw beans by hand? Choose the right raw coffee beans? Lin Dong Mantenin, Sumatra, Indonesia

What kind of raw beans are high-quality raw beans? First look at the surface of beans, fresh and high-quality raw beans, the surface is shiny, in addition, the processing of good raw beans, uniform color, the surface of uneven color can not be called good beans, must choose uniform color. Secondly, the particle size is the same, which is also evidence of good quality management. Make sure that the particle size is the same when you buy it.

2016-04-14
Coffee beans purchase skills how to choose coffee beans? How to choose coffee beans?

Coffee beans purchase skills how to choose coffee beans? How to choose coffee beans?

As a matter of fact, at present, there is no unified classification in the coffee industry, and each country of production is divided into different grades. For example, Brazil sets NO.2 as the highest level and Jamaica sets NO.1 as the highest level. For individuals, because people's preferences and taste are different, grading can not fully show the flavor of coffee, it is more about the quality of coffee, so coffee

2015-10-24
Fine coffee beans: two production methods of coffee beans and how to choose coffee beans

Fine coffee beans: two production methods of coffee beans and how to choose coffee beans

After harvest, peel, pulp, racing peel and silver peel should be removed before shipping and listing. There are two kinds of methods: drying (also known as natural or non-washing) and washing. Dry type: the method is relatively simple. First of all, spread the freshly harvested fruit on the sun field for a week or two until the fruit crackles and dries naturally. After that, the sheller will dry the fruit.

2015-12-08
How to choose coffee and raw beans by hand? Choose the right raw coffee beans? Columbia Huilan Coffee Raw beans

How to choose coffee and raw beans by hand? Choose the right raw coffee beans? Columbia Huilan Coffee Raw beans

What kind of raw beans are high-quality raw beans? First look at the surface of beans, fresh and high-quality raw beans, the surface is shiny, in addition, the processing of good raw beans, uniform color, the surface of uneven color can not be called good beans, must choose uniform color. Secondly, the particle size is the same, which is also evidence of good quality management. Make sure that the particle size is the same when you buy it.

2016-04-14
Coffee beans processing method of extraction of beans washing method

Coffee beans processing method of extraction of beans washing method

Washing is the most popular and widely used green bean treatment method, most of the fine coffee beans will choose washing method. In South America, all countries except Brazil choose the washing method for raw beans. Water washing method is one of the most scientific and technological processing methods in all processing methods, which ensures uniform and stable quality of coffee beans through multiple screening. First of all, still

2015-03-16
How to choose coffee and raw beans by hand? Choose the right raw coffee beans? Raw beans from Guardia La Tisa Manor

How to choose coffee and raw beans by hand? Choose the right raw coffee beans? Raw beans from Guardia La Tisa Manor

What kind of raw beans are high-quality raw beans? First look at the surface of beans, fresh and high-quality raw beans, the surface is shiny, in addition, the processing of good raw beans, uniform color, the surface of uneven color can not be called good beans, must choose uniform color. Secondly, the particle size is the same, which is also evidence of good quality management. Make sure that the particle size is the same when you buy it.

2016-04-14
Introduction to Green Coffee Bean Treatment--Washing Method

Introduction to Green Coffee Bean Treatment--Washing Method

Place the harvested fruit in a tank of water and soak for about 24 hours. The ripe fruit will sink, while the immature and overripe fruit will float up and can be culled.

2014-06-24
The debate over whether instant coffee is refreshing or ruining health

The debate over whether instant coffee is refreshing or ruining health

With regard to coffee, whether in China or around the world, the relevant research has never stopped, and the evaluation of the impact of coffee on the human body is mixed. On this point, there are great similarities between coffee and milk.

2014-07-23
How to judge the quality of beans from their appearance? Selection and purchase of coffee beans

How to judge the quality of beans from their appearance? Selection and purchase of coffee beans

How to judge the quality of beans from their appearance? From its color-whether glossy, uniform color without spots; smell its fragrance-whether fragrance is rich; oral brittleness-- put into the mouth to bite, whether crisp sound, good taste, and finally to see if the bean shape is full and has weight. Because you can't make mellow coffee without good coffee beans / powder. Second, pay attention to coffee beans.

2015-09-23
How to choose coffee and raw beans by hand? Choose the right raw coffee beans? Ethiopia, Sixida, Moses, Damashaki.

How to choose coffee and raw beans by hand? Choose the right raw coffee beans? Ethiopia, Sixida, Moses, Damashaki.

What kind of raw beans are high-quality raw beans? First look at the surface of beans, fresh and high-quality raw beans, the surface is shiny, in addition, the processing of good raw beans, uniform color, the surface of uneven color can not be called good beans, must choose uniform color. Secondly, the particle size is the same, which is also evidence of good quality management. Make sure that the particle size is the same when you buy it.

2016-04-14
Water washing method for the primary processing of coffee beans

Water washing method for the primary processing of coffee beans

Washing is the most popular and widely used method of raw bean treatment at present, and most of the boutique coffee beans will choose the washing method. In South America, all countries except Brazil choose to wash raw beans. Washing is the most scientific and technological method among all the treatment methods, and multiple screening is used to ensure the uniformity and stability of coffee bean quality. First of all, still

2015-03-20
Why is coffee bitter?

Why is coffee bitter?

Coffee has always been controversial. Some people say: How to call coffee without bitterness? Some people say that good coffee has a pleasant bitterness. There are also many people who say that good coffee should not have bitter taste! Suffering is bad! Why is coffee bitter? What is the meaning of this? When it comes to coffee's bitter ingredients, perhaps most people's first reaction is caffeine! So the caffeine is really

2015-06-05
Choose the fried degree of coffee beans

Choose the fried degree of coffee beans

What is the fried culture of coffee? The act of fried coffee and raw beans is called fried culture in the coffee world. In the early days of the discovery of coffee beans, coffee was always consumed by boiling raw beans, but it has been used ever since it was discovered that fried culture can lead to the real aroma of coffee. The raw beans of coffee beans are actually tasteless. Experts all know that coffee is special.

2014-07-03
How to choose coffee beans by hand

How to choose coffee beans by hand

Apples don't taste different because of size, which I agree with, but in the roasting of coffee beans, it doesn't matter if they're heated anyway. Coffee beans harvested from the same tree, regardless of size

2014-12-28
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