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What is the relationship between the oil yield of roasted coffee beans and freshness?

What is the relationship between the oil yield of roasted coffee beans and freshness?

Should we buy coffee beans that have "oil" or "no oil" in appearance? Have you ever seen oily coffee beans? Why do some coffee beans have a shiny surface, while others are "dry and comfortable" without greasy? What does the "oil" of coffee beans have to do with freshness? Should we buy coffee beans that are "oily" or "unoiled" in appearance? Coffee oil, which is not oil, is evenly dispersed.

2015-03-05
How to foam milk? What do you need to pay attention to? How to make milk foam tutorial how to make milk cannon skills

How to foam milk? What do you need to pay attention to? How to make milk foam tutorial how to make milk cannon skills

Milk is the best partner of coffee, we usually like to add milk when drinking coffee, especially fancy coffee, with a good milk bubble to pull out a variety of flowers, so added milk coffee is both good to drink and good to see. For milk foam, there are a few common mistakes that we need to understand, which can facilitate us to better make milk foam. 1: Use up and down shaking

2016-01-30
Coffee common sense what is the most difficult point in coffee technology?

Coffee common sense what is the most difficult point in coffee technology?

I put forward such a topic to myself, mainly trying to solve some misunderstandings and puzzles in the thoughts of some barista friends. Coffee, if only in terms of technology in daily work, I do not think it is difficult, because to make coffee as a job, that is to do simple things over and over again. Besides, coffee is not high-tech, so how difficult is it? Have barista friends.

2014-11-08
What is the effect of coffee honey in treating coffee honey?

What is the effect of coffee honey in treating coffee honey?

Skin/Pulp: the outermost layer of coffee beans is covered with berry-like skin and pulp. In addition to the natural sun method, coffee beans treated by other methods must remove the skin and flesh within a few hours after picking. Similar to the cherries we often eat, the difference is that when we eat cherries, we mainly eat the pulp and peel of berries. For coffee.

2016-05-24
How many times do you need to inject water to make coffee? what utensils do you need to teach you to open a coffee shop?

How many times do you need to inject water to make coffee? what utensils do you need to teach you to open a coffee shop?

This is easy to understand. The longer you soak, the more substances will be extracted, and the flavor will be about strong, and vice versa. However, what factors will affect the soaking time? let's elaborate on them one by one. First of all, it is the thickness of coffee grinding, the coarse water is filtered quickly, the fine water is filtered slowly, as we can imagine, the water filtration is fast, and the unit amount of water naturally comes into contact with water.

2016-07-16
The effect of sour taste on the taste of coffee what is the flavor of sour African sour coffee

The effect of sour taste on the taste of coffee what is the flavor of sour African sour coffee

Before we talk about this, let's popularize two small pieces of knowledge. 1. SCAA cup baking degree standard: caramelization tester # 58, grinding # 63 (whole bean # 58, grinding # 63), baking time is 8: 12 minutes, and there can be no baking defects caused by bean body or bean end scalding. This baking degree will be closer to the usual City baking degree, about after the completion of an explosion. 2. In fact, it is mainly

2016-04-25
What factors affect the American flavor of hand-brewed coffee, single coffee and coffee utensils

What factors affect the American flavor of hand-brewed coffee, single coffee and coffee utensils

Coffee itself we make coffee, not orange juice, not green tea, so coffee itself determines the basic taste of this cup of coffee. For example, whether this coffee is tanned or washed, it comes from Asia, Indonesia, Colombia in South America, or Ethiopia in Africa. When the coffee is confirmed, the taste in your cup is actually 50% sure. This is

2016-07-13
The thinking mode of extraction 2b-extraction time is transferred from Douban

The thinking mode of extraction 2b-extraction time is transferred from Douban

Continuing with the previous article, http://www.douban.com/note/244706236/ extraction time looks easy, but it's actually a little more complicated than I thought. Because although the extraction time is directly related to the relationship between extraction rate and concentration, their relationship is not necessarily proportional. We still return to the original two purposes, get the reasonable extraction rate and get the proper concentration.

2015-11-10
What is the most difficult point in coffee brewing? coffee common sense

What is the most difficult point in coffee brewing? coffee common sense

I have put forward such a topic to myself, mainly trying to solve the misunderstandings and puzzles of some friends. Coffee, if only in terms of technology in daily work, I do not think it is difficult, because to make coffee as a job, that is to do simple things over and over again. Besides, coffee is not high-tech, so how difficult is it? Some friends say that it is difficult to pull flowers.

2015-03-02
Foolproof cooking tips what do you pay attention to?

Foolproof cooking tips what do you pay attention to?

If you want to make a good cup of espresso coffee, in addition to having a good coffee machine, you must have the basic knowledge of operating the machine in order to make a good cup of espresso coffee. If we want to use computers to help us work more efficiently and accurately, we must not only have a fast and powerful computer hardware, but also cooperate with appropriate

2015-08-10
Reading

Reading "values shaped what Starbucks is today"

From day one, our business model is to strike a balance between making money and social responsibility. We need to make money and give back. Now that I look back at the growth and success of Starbucks, I think why can we succeed? The important thing is that because of a company like ours, such a brand has won the trust of consumers. You started a company today, and you have to connect with you.

2015-04-16
The story of red coffee and green coffee

The story of red coffee and green coffee

A coffee tree, after countless ups and downs, finally grew a coffee bean on the top of the tree and in the dense leaf layer. When the two coffee beans grow up, they feel bored because they live in their own environment for a long time. As a result, I had the idea of looking around somewhere else. One day, the coffee beans on the top of the tree looked down on the crown, and suddenly saw the shade below, so they looked down curiously

2014-07-30
What is a cup of coffee? What is the definition of individual coffee? How to taste and taste individual coffee?

What is a cup of coffee? What is the definition of individual coffee? How to taste and taste individual coffee?

It turns out that only a bitter word is used to describe the taste of coffee. Pass! Single! Thin! What is a cup of coffee? Individual coffee is made from a single coffee bean produced in the country of origin, and it is a pure coffee with no milk or sugar when drinking. It has strong characteristics. People who like to drink coffee are generally fascinated by individual coffee. Because the instant coffee we usually drink is good,

2016-01-21
Coffee acquisition data Coffee Flavor Chemical Coffee Flavor extraction Coffee

Coffee acquisition data Coffee Flavor Chemical Coffee Flavor extraction Coffee

Coffee needs temperature balance since the PID temperature control system was installed in the coffee machine, there has been a frenzy of temperature control. Professionals said: we need more accurate temperature! almost all manufacturers have no objection to this. When we think about these changes and developments, some people may ask: in such a busy bar, is the precise temperature control of the machine so important? Common sense of science

2016-06-16
#What's a good cup of coffee #Know the coffee in your heart

#What's a good cup of coffee #Know the coffee in your heart

In recent years, fine coffee has been hanging in the mouths of many Chinese people. When saying the words fine coffee, there is always a little arrogance and confidence. I always get customers asking me if you have boutique coffee/manor coffee or commercial coffee. In fact, if I ask you, what kind of coffee belongs to boutique coffee/manor coffee, which kind belongs to commercial coffee? Usually, guests say,

2014-06-16
Four basic elements of barista training

Four basic elements of barista training

Obsessive-compulsive disorder: when you really love to do something, you want to try your best to do it well. This is how obsessive-compulsive disorder is developed. The coffee machine must be very clean, the top warm cup must be up, the steam stick must be clean every time it is used, and the rag for cleaning the steam bar must be folded neatly inside. There must be a dry rag on the bar to clean the coffee handle.

2015-01-12
What kind of water should be used to make coffee?

What kind of water should be used to make coffee?

What water is best for brewing coffee is like water for making tea, water is also essential for extracting coffee. There are many kinds of water, which can be divided into: natural water, including spring water, river water, well water, lake water and Rain Water, which are generally not suitable for coffee extraction. Artificially treated water includes tap water, distilled water, purified water, ultra-pure water, softened water, etc., in which we make hands.

2014-09-10
What is the use of coffee press?

What is the use of coffee press?

We all know that when using an espresso machine, the hot water brewed has a pressure of about 9 atmospheres (of course, this is not a fixed value, there are also 12 atmospheres or higher), the pressure is very high, and when the water penetrates the coffee cake, the water is inert. What is inert is that water will penetrate through the weakest part of the coffee cake, not through the thickest part.

2016-10-18
The Common sense of Coffee beans correctly using Q Grader to Grade Coffee

The Common sense of Coffee beans correctly using Q Grader to Grade Coffee

In the Q Grader course (a professional coffee bean grading course), I found that people can't be 100% objective when grading coffee beans. Everyone's experience of coffee is different, because we have different taste buds, different noses and different brains, so we can't judge the taste of coffee objectively. For example, when I have a drink

2015-01-08
What is the basic knowledge of Crema espresso what is the coffee oil?

What is the basic knowledge of Crema espresso what is the coffee oil?

This classic English text has been translated by many people, but most translators do not understand or understand the principle of espresso, so it is not very accurate or difficult to understand correctly. I think this article is translated by an expert who really understands espresso, especially the understanding of the original text and Chinese is very good. The good thing about this article is that it comes from the inherent ingredients of coffee.

2015-10-05
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