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How does the sour and bitter in coffee come from?

How does the sour and bitter in coffee come from?

Many thermal and chemical reactions take place during baking: decarbonation, dehydration of quinic acid, subdivision, isomerization, polymerization, and complex sugar reactions (caramelization).

2014-08-25
How much can I buy a coffee maker? A coffee maker with high cost performance

How much can I buy a coffee maker? A coffee maker with high cost performance

In the face of a dazzling variety of coffee machine prices, people do not know what to do, but before buying, you have to determine which kind of coffee machine you want to buy, whether you want to buy an Italian coffee maker or an American coffee maker. There is still a big gap between the two. What is the price of the coffee machine? There are many consumers have such a question. Indeed, in the face of the dazzling prices of coffee machines

2015-09-19
How to judge the freshness of coffee beans? There are three steps: smell, see, and peel.

How to judge the freshness of coffee beans? There are three steps: smell, see, and peel.

Freshness is the life of coffee. The best drinking period of roasted coffee beans is 6 days, while the best drinking period of ground powder is only 3 days. How to determine the freshness of coffee beans? There are three steps: smell, see, peel: smell: put the coffee beans close to the nose, smell deeply, whether you can clearly smell the aroma of coffee beans, if so, it means that the coffee beans are fresh enough. On the contrary

2016-08-06
Coffee Bean Brand recommendation Arabica Coffee Bean Coffee Bean selection

Coffee Bean Brand recommendation Arabica Coffee Bean Coffee Bean selection

Although coffee is made from coffee beans, the type of coffee beans here determines the noble status of coffee. So what are the kinds of coffee beans? What is the function of coffee beans? How do you cook coffee beans? How much is a jin of coffee beans? Which brand of coffee beans tastes good? I believe that these are not known to everyone, and there are probably only a few.

2016-04-25
The truth that ordinary coffee makers don't want to tell: how to choose coffee beans

The truth that ordinary coffee makers don't want to tell: how to choose coffee beans

The truth that the general coffee industry doesn't want to tell: how to choose coffee beans? some bloggers left a message saying that some of the coffee I drank in xxx was actually rubbish? In fact, you can't say that, it's just that coffee and ripe beans are like this. A good coffee shop, the quantity is fast, the roaster supplies directly, the logistics inventory is in place, the packaging is correct, no problem. Or bake at home, it's absolutely fresh! To

2015-06-05
High-quality coffee learns how to grade coffee beans

High-quality coffee learns how to grade coffee beans

At present, there is no international standard for coffee bean quality classification, and the classification method varies from country to country, so coffee classification is carried out according to some characteristics applicable to each producing country. Take samples of coffee beans from a bag, judge them according to the standards of the producing country, grade the samples, and determine whether they are good or bad according to the evaluation.

2014-10-29
Basic knowledge of boutique coffee how to grade coffee beans?

Basic knowledge of boutique coffee how to grade coffee beans?

At present, there is no international standard for coffee bean quality classification, and the classification method varies from country to country, so coffee classification is carried out according to some characteristics applicable to each producing country. Take samples of coffee beans from a bag, judge them according to the standards of the producing country, grade the samples, and determine whether they are good or bad according to the evaluation.

2015-03-20
How to grade the basic coffee beans of fine coffee

How to grade the basic coffee beans of fine coffee

At present, there is no international standard for coffee bean quality classification, and the classification method varies from country to country, so coffee classification is carried out according to some characteristics applicable to each producing country. Take samples of coffee beans from a bag, judge them according to the standards of the producing country, grade the samples, and determine whether they are good or bad according to the evaluation.

2015-01-17
Basic knowledge of boutique coffee how to grade coffee beans?

Basic knowledge of boutique coffee how to grade coffee beans?

At present, there is no international standard for coffee bean quality classification, and the classification method varies from country to country, so coffee classification is carried out according to some characteristics applicable to each producing country. Take samples of coffee beans from a bag, judge them according to the standards of the producing country, grade the samples, and determine whether they are good or bad according to the evaluation.

2014-12-15
The truth that most coffee makers don't want to say how to choose coffee beans

The truth that most coffee makers don't want to say how to choose coffee beans

The truth that the general coffee industry does not want to say: How to choose coffee beans Some bloggers have commented that some of the coffee I drink in xxx is actually very rubbish?? Actually, it can't be said that way. It's just the fact that coffee beans are cooked like this. Good cafe, fast volume, direct supply from roasters, logistics inventory in place, packaging and storage correctly, no problem. Or bake at home, absolutely fresh! to

2014-11-13
What's the most important thing about baking?

What's the most important thing about baking?

Whether the roasting is successful or not directly determines whether the characteristics of raw coffee beans can be brought into full play. In the final analysis, the taste characteristics of all cup tests are determined by baking. Some people say that it is wrong that the taste of coffee is inherent in coffee. But if it is not roasted well, how can the taste of coffee come out? So, there is no difference between good and bad, only you play a little bit of coffee

2014-09-02
How do you grade coffee beans? Basic knowledge of boutique coffee beans

How do you grade coffee beans? Basic knowledge of boutique coffee beans

At present, there is no international standard for coffee bean quality classification, and the classification method varies from country to country, so coffee classification is carried out according to some characteristics applicable to each producing country. Take samples of coffee beans from a bag, judge them according to the standards of the producing country, grade the samples, and determine whether they are good or bad according to the evaluation.

2015-05-09
Boutique Coffee learn the basics of coffee how to grade coffee beans?

Boutique Coffee learn the basics of coffee how to grade coffee beans?

At present, there is no international standard for coffee bean quality classification, and the classification method varies from country to country, so coffee classification is carried out according to some characteristics applicable to each producing country. Take samples of coffee beans from a bag, judge them according to the standards of the producing country, grade the samples, and determine whether they are good or bad according to the evaluation.

2015-01-31
Determination method of Italian Coffee Oil flow rate

Determination method of Italian Coffee Oil flow rate

The flow rate of espresso directly determines the mouth and stomach of ESPRESSO, too fast flow rate will make the essence of the coffee has not melted into the water, but the water has passed through the coffee powder, causing the coffee to be tasteless.

2014-06-11
How to grind coffee Different coffee utensils with different thicknesses

How to grind coffee Different coffee utensils with different thicknesses

Different coffee appliances with different thickness of coffee powder, grinding coffee is also a knowledge. A good cup of coffee, not only requires careful deployment of baristas, carefully grinding coffee beans is also a knowledge. The barista's every move determines the color, taste, aroma, etc. of a cup of coffee. The barista is the most important decision-maker of coffee, and how to grind coffee beans becomes every

2015-08-12
Top 10 problems you will encounter in the operation of coffee shops

Top 10 problems you will encounter in the operation of coffee shops

Question 1: How to increase coffee shop turnover? Passenger flow and per capita consumption of guests directly determine the level of turnover, so in order to improve turnover, we need to start from two aspects: increasing passenger flow and per capita consumption of guests, strengthening training service personnel sales skills and establishing reward mechanism. [Question 2] Coffee shop marketing activities have been going on, but found that the effect is not good,

2015-01-12
How to choose fresh coffee beans? The difference in taste between large coffee beans and small coffee beans

How to choose fresh coffee beans? The difference in taste between large coffee beans and small coffee beans

The difference between the taste of large coffee beans and small coffee beans for the same kind of coffee, the bigger the beans are, the higher the grade is, the smaller the beans are, the lower the grades are, and the cheaper they are. Of course, there are differences in taste. The bigger the beans, the stronger the coffee. However, in addition to high-grade products, the classification of other coffee is not very strict, for example, the central grade beans can account for 60%. Then it's bigger than this level.

2015-10-14
How to treat fresh coffee fruit into raw coffee beans?

How to treat fresh coffee fruit into raw coffee beans?

The variety of coffee treated with raw beans certainly determines the natural flavor, but the treatment of raw beans determines the acquired quality. Selected coffee attaches great importance to flavor and quality, so it pays special attention to the technology and details of processing. Harvest: the harvest method is one of the criteria for judging selected coffee. if calculated from the time of germination, Arabica coffee will take about 5 years to blossom and bear fruit. Brazil

2015-06-06
How to treat fresh coffee fruit into raw coffee beans?

How to treat fresh coffee fruit into raw coffee beans?

The variety of coffee treated with raw beans certainly determines the natural flavor, but the treatment of raw beans determines the acquired quality. Selected coffee attaches great importance to flavor and quality, so it pays special attention to the technology and details of processing. Harvest: the harvest method is one of the criteria for judging selected coffee. if calculated from the time of germination, Arabica coffee will take about 5 years to blossom and bear fruit. Brazil

2015-09-15
Coffee beans selection tutorial Coffee Bean Brand and Type Guide Arabica Coffee beans what is worth buying

Coffee beans selection tutorial Coffee Bean Brand and Type Guide Arabica Coffee beans what is worth buying

Although coffee is made from coffee beans, the type of coffee beans here determines the noble status of coffee. So what are the kinds of coffee beans? What is the function of coffee beans? How do you cook coffee beans? How much is a jin of coffee beans? Which brand of coffee beans tastes good? I believe that these are not known to everyone, and there are probably only a few.

2016-04-25
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