Coffee Knowledge
Latest articles, industry insights and brewing guides
What is coffee cup test? what is coffee cup test?
The quality of coffee is judged by the sense of taste, which is called the coffee cup test, and the person who evaluates it is called the appraiser. The method is to pour 10 grams of coffee powder into a warm coffee cup, then pour 100C boiling water into the cup, stir thoroughly with a spoon, let the powder precipitate, and then remove the foam from the surface. First of all, identify its aroma, and then put the coffee in the mouth to judge
Coffee basic knowledge Espresso coffee brewing rate
The author believes that the birth of a drink has its historical conditions, and its definition will change with the changes of the times and its spread around the world. We should understand its history as well as its changes. Reference: brewing ratio for espresso beverages Photo Source: JIMSEVEN Compiler: Huang Wei
Boutique coffee common sense what is Lungo coffee?
Lungo is Italian, the corresponding English is long, French is caf allong, Chinese means long, the author temporarily transliterated into corridor coffee, taking the shape of a long corridor, or translated as enough coffee, Liang enough coffee, Liang enough coffee? It refers to a coffee drink made with twice the normal amount of water through an Espresso coffee machine, a Lungo, to the effect that it is elongated.
Professional coffee roasting knowledge coffee grinder
There are different brands and models of bean grinder, and the grinder which can adjust the thickness of grinding bean is ideal. When grinding with a bean grinder, don't grind too much at one time, just enough for one use. Because the longer the bean grinder is used at one time, the easier it is to heat up, which indirectly causes the coffee beans to be heated and leads to the loss of aroma, thus affecting the aroma of the coffee. Coffee beans contain oil, so they are ground.
Professional coffee roasting knowledge coffee grinding process
(1) the principle of grinding, generally speaking, a good grinding method should include the following four basic principles: 1, the degree of grinding suitable for cooking method should be selected; 2, the temperature of cattle produced during grinding should be low; 3, the powder should be uniform after grinding; 4, it should be ground before cooking. No matter what kind of grinder is used, it is bound to generate heat by friction in operation. Most of the excellent substances are highly volatile.
Professional coffee roasting knowledge roasting characteristics around the world
Baking characteristics all over the world cities all over the world have their own preference for baking. In Tokyo, micro-deep medium baking is more popular, but slowly it also tends to deep baking. In the West, deep baking has been popular since ancient times. New York, as its name suggests, generally prefers urban baking, but because it is inhabited by a variety of people, it sells a variety of
Professional coffee roasting knowledge Coffee roasting process and stage characteristics
Baking process most people think that baking is nothing, just use fire to cook raw beans. In fact, in the process of coffee processing, roasting is the most difficult step, it is a kind of science, but also an art, so in Europe and the United States, experienced roasters enjoy a highly respected status. Baking can be divided into the following three stages: 1. Drying at the initial stage of baking
Professional coffee roasting knowledge the concept and principles of coffee roasting
As the name suggests, roasting is to provide heat to coffee beans, causing a series of chemical changes inside. Raw coffee beans show the unique color, aroma and taste of coffee by roasting. Every coffee bean contains fragrance, sour taste, sweet taste and bitter taste. How to release it incisively and vividly depends on the heat of baking. From the insipid raw beans to the endless fragrance in the cup
The relationship between professional coffee roasting knowledge blending and roasting
Do you want to bake and then mix, or do you want to mix and bake first? Which way is better? If you have a definite recipe, of course the easiest way is to put different coffee beans together and then bake them together. But if you are trying and comparing different ingredients and proportions, you certainly want to roast all kinds of coffee beans before making various tastes.
Professional coffee roasting knowledge mixed caffeine of coffee beans
People need to put coffee from different places together for several different purposes. The ideal goal, of course, is to piece together a coffee that tastes better than any of them. But generally speaking, Arabica coffee from a single origin is enough to make coffee that tastes good for export; it has a delicate flavor, a soft taste and a sweet aftertaste. So there is no need to match (that is, different places of origin
Introduction to Coffee Cup Test what do you need to prepare before the cup test
Coffee cup testing is not only a professional skill, a profession, but also a pleasure, so we can do it at work, in class, in formal activities, at home, on leisurely occasions, or communicate with friends. During the cup test, the cup tester (cup tester, cup tester) should smell the dry aroma of the coffee, use the cup spoon to break the residue, release the wet fragrance of the coffee in the cup, suck the coffee liquid, and let the coffee
The secret of how to distinguish the freshness of coffee beans
The know-how to distinguish the freshness of coffee beans: fresh coffee beans smell strong, otherwise tasteless or smell bad; see: good coffee beans are complete and full in shape, while the shapes are mutilated; hand pressure: fresh coffee beans are pressed fresh and crisp, and fragrance floats when they crack; color: dark black coffee beans, the boiled coffee has a bitter taste, the color of yellow coffee beans
Five cooking methods of coffee basic knowledge of fine coffee
The cooking of coffee all coffee is made from ground coffee and hot water; when it is done, the coffee is cleaned out. The thickness of the minced coffee is related to the cooking method chosen. Proper water temperature is very important. The choice of water temperature is related to cooking utensils, coffee bean species and the degree of roasting of coffee beans. If the water temperature is too low, the flavor of coffee beans can not be fully extracted.
Fine coffee basic coffee taste distribution map of tongue
Coffee taste must read-tongue taste distribution map (brief note: before sweet and after bitter edge acid-base)
10 Secrets of Fine Coffee about Taste
Have you ever studied the taste distribution map? Sweet taste buds at the tip of the tongue; bitter taste buds at the root of the tongue; sour taste buds on both sides? In fact, this is completely wrong. The root of the misinformation lies in the fact that when someone translated the German research report into English, the translator himself misunderstood it. The truth is: you can taste everything in every part of the tongue, although the sensitivity may be different. [fifth feeling] the crowd
What is a pump?
Pump common name pump, its translation "pump." Pumps are often used to increase or decrease the pressure of fluids or gases, and pressure changes can be used to do work. Such as bicycle pump, when the piston inside the pump moves up and down, the air in the pump will be forced into the tire. This combination of cylinder and piston can be used in gasoline power generation devices. Pump is the use of mechanical rotary motion or reciprocating motion to
The significance of cupping coffee cup test in the basic knowledge of high-quality coffee
The significance of cup test is to evaluate and compare several different kinds of coffee at the same level. Because the differences between coffees are very subtle, observe the characteristics of these coffees (flavor, mellow, freshness.) It is easily affected by different coffee extraction methods (utensils). Because of the elimination of these variables, carefully prepared cup tests can taste the most basic inherent characteristics of coffee.
How to evaluate coffee like a certified appraiser
The art of coffee cup testing: 1. A 5-to 6-ounce coffee cup is recommended. The cup should be kept clean and has no obvious smell. two。 The chromaticity after baking should be light or medium light, preferably measured by a colorimeter. The sample should be baked within 24 hours before the cup test and then placed in a sealed container for at least 8 hours. 3. The coffee beans should be ground immediately before the cup test.
Al's Rule Sweet Point Formula of Espresso extraction
Al Critzer's understanding of Espresso extraction has become the most common concept of Espresso in Europe and the United States. The translation is as follows: starting with the result that 30cc/ 30sec gets a perfect Espresso. These two values of course depend on beans, and the differences in baking method, baking degree and formula ratio will naturally lead to changes in the reference point. The extraction quantity and extraction time are mutually related.