Tuesday, September 8, 2026 · Leading English Source for Global Coffee Industry

Coffee Knowledge

Latest articles, industry insights and brewing guides

How to diagnose the problem of espresso extraction (part two)

How to diagnose the problem of espresso extraction (part two)

(the information comes from the Internet, I have slightly modified it for sharing reference only, if the editor of this article does not agree to share, you can contact me to delete) what is important and what is not important people seem to be really attracted (or fascinated) by the most unusual details of the espresso extraction process. These details cover the cooking temperature from the espresso machine (this is important, but

Is the coffee with tiger spot a good cup of coffee?

Is the coffee with tiger spot a good cup of coffee?

The so-called tiger spot generally means that the oil of ESPRESSO has the same markings like tiger fur, which is definitely not the oil that a good ESPRESSO should have. The tiger spot is generally caused by the high water temperature of the coffee machine, the long time the handle stays on the brewing head, the fine grinding, the uneven filling pressure and so on. The solution is to check the pressure of the boiler first.

What is the difference between Espresso, latte and cappuccino?

What is the difference between Espresso, latte and cappuccino?

Espresso (Espresso) or espresso is a type of coffee with a strong taste by brewing coffee with extremely hot but non-boiling hot water under high pressure and grinding it into a very fine coffee powder. It was invented and developed in Italy and began in the early 20th century, but until the mid-1940s, it was a drink made solely by vapor pressure. In the hair

A good Espresso can see tiger spots.

A good Espresso can see tiger spots.

A good Espresso can see tiger spots! What is tiger spot? Coffee fat (creme), an amber foam floating on the surface of espresso. Coffee fat is a combination of emulsions and foam colloids, made up of vegetable oils, proteins and sugars. Because it contains more dissolved matter per unit volume, espresso is stronger than water drop coffee.

Using the clever filter cup method of American drip coffee machine (pot) to make coffee

Using the clever filter cup method of American drip coffee machine (pot) to make coffee

The principle of smart filter cup clever coffee dripper is to use the anti-dripping principle of American drip coffee machine (pot) to make coffee, then any American drip coffee machine (pot) with anti-drip function can achieve the effect of smart filter cup, and the coffee made in this way will not feel too light. Here's a cheap 10-person American drip coffee maker (pot).

Put down the coffee machine and make a cup of coffee by yourself.

Put down the coffee machine and make a cup of coffee by yourself.

Some people say that hand-brewed coffee is lazy coffee, but I think people who drink hand-brewed coffee must be process-oriented. The coffee dripping out through the filter paper is like filtering the taste of life in the hourglass of time. This experience adds a sense of ritual to hand-brewed coffee. A good cup of hand-made coffee teaches us about slow refinement. Hand punch

Nalando Coffee, which is rich and not sour.

Nalando Coffee, which is rich and not sour.

The Lando coffee is a follicular black coffee carry-on bag, the fragrance is not sour. Southeast net, March 31, according to Taiwan media reports, Luo Jiaiyuan, a woman in Taoyuan County who came out of the haze of bereavement, invested in promoting Nalandot coffee from her hometown New Society. She said that Nalandot coffee was planted and harvested in her hometown and was only sold locally. As soon as she was addicted to it, she had a strong aroma and would not be sour, and she had a sincere conversation with the other party.

Introduce several fancy coffee Irish liqueur coffee Irish Mist Coffee

Introduce several fancy coffee Irish liqueur coffee Irish Mist Coffee

1, Irish coffee Irish Coffee (Ireland) slightly deep-baked coffee 150cc Irish Whiskey 20cc white granulated sugar 10g stir cream or whipped cream 20cc ironing the cup, wipe the cup clean, put in the white granulated sugar, Irish Whiskey, pour into the coffee, and then gently float the cream on top (do not stir with a teaspoon when using whipped cream).

The origin of the name cappuccino the basic knowledge of Cappuccino

The origin of the name cappuccino the basic knowledge of Cappuccino

Viennese Fanz George Kolschitsky, the founder of Cafe Latte with Milk and Coffee, will talk about the origin of Cappuccino in this issue. Both drinks are made from coffee and milk, but cappuccino has a more knowledgeable origin and has always been the best material for the study of character changes in Europe and the United States. The history of the word Cappuccino is enough to explain

Do not drink coffee after drinking.

Do not drink coffee after drinking.

In fact, if you want to tell whether it is wine or coffee, it only depends on what is the main body. If it is based on wine, coffee can be made into coffee wine by mixing distilled liquor with high alcohol content and strong coffee spices. For example, Mexican Coffee Wine, French Cordial or Italian Corretto, etc. Take coffee as the main body, add flavor enhancement

An introduction to coffee roasting to learn about roasting from scratch

An introduction to coffee roasting to learn about roasting from scratch

Without the taste of baking, it is impossible to appear in the cup; as for cooking, it is a means to avoid the disadvantages of baking. This is a view that all coffee experts will agree with, but what happened to the coffee beans during the baking process? What does the so-called first explosion and the second explosion mean? Now let's learn about baking from the beginning. Why did you do it yourself?

The roasting process of coffee is the direct heating of the roast.

The roasting process of coffee is the direct heating of the roast.

To put it simply, baking is the direct heating of the baking. Unlike cooking, you don't need oil, water, salt or sugar to bake. Just put the raw coffee beans in a heat-resistant container, then heat them on the fire, stir the coffee beans constantly while heating, so that each bean is heated evenly, and stop heating when we reach the degree we want.

When coffee stops roasting basic knowledge of coffee roasting

When coffee stops roasting basic knowledge of coffee roasting

When do you want to stop baking? It can be judged from the following points: 1. Coffee bean color: because coffee beans show different colors when roasted to different degrees, color becomes the most commonly used basis for baking depth. This method can be applied to most coffee beans, but some coffee beans are special. For example, the color of Kenya beans is much darker than ordinary coffee beans.

Time / temperature curve of things to pay attention to in coffee roasting

Time / temperature curve of things to pay attention to in coffee roasting

When baking the time / temperature curve, it is recommended to record the corresponding temperature at regular intervals, with intervals ranging from 30 seconds to 60 seconds according to personal habits. In addition to temperature, such as the start and end time of the first and second explosions are also indispensable records. Based on these data, a time-temperature curve can be sorted out, which is an important reference data for baking, as long as