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Knowledge of coffee extraction Espresso extraction of Al's Rule

Knowledge of coffee extraction Espresso extraction of Al's Rule

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.

2015-03-14
Coffee extraction principles Coffee information

Coffee extraction principles Coffee information

I think a coffee making principle or rule that can stand up can be applied to all methods of making coffee, such as hand flushing, siphon, and even Italian can be used and produced well. If only a certain part of the coffee beans or equipment works well, it is a conclusion that there is a flaw or there is room for improvement, or it is still unfinished.

2016-04-20
Analysis on the production of Italian espresso based on the basic knowledge of coffee

Analysis on the production of Italian espresso based on the basic knowledge of coffee

Espresso training is believed to be the first step for many beginners to learn how to make coffee. However, Espresso is also the key and foundation of learning.

2015-01-08
The origin of ice-drop coffee the history of ice-brewed coffee the method of extracting ice-drop coffee

The origin of ice-drop coffee the history of ice-brewed coffee the method of extracting ice-drop coffee

Ice drop coffee originated from the Indonesian island of Java, which was a Dutch colony in the 17th century. It is said that the coffee extraction method used here was introduced by Dutch businessmen, so it was named Dutch coffee Dutch Coffee. This kind of coffee drips with ice water for a long time, so it is also called coldbrew coffee cold (ice brew) or water drip coffee (ice drop).

2016-03-23
What are the cleaning methods and steps of Delong coffee machine?

What are the cleaning methods and steps of Delong coffee machine?

The cleaning of Delong coffee machine model 4500 is shared by the author from the cleaning of coffee machine, the cleaning of extraction container and the cleaning of milk container, hoping to give some guidance to the majority of users in cleaning.

2014-07-25
Like to make coffee, refer to the coffee flavor coffee extraction institute

Like to make coffee, refer to the coffee flavor coffee extraction institute

Boutique coffee is fresh coffee. Whether it's food or drink, of course, the fresh the better, and so is boutique coffee. High-quality coffee should keep the coffee beans fresh before making, including the preservation of baked beans, and grind the coffee beans into powder before making, which is also to retain its original and best flavor. And the way of making hand-made coffee is such a way to make high-quality coffee.

2016-06-27
Explanation of the nouns related to coffee extraction

Explanation of the nouns related to coffee extraction

30% of the ingredients in coffee beans are soluble, and these 30% contain organic substances that provide aroma and taste. These organic substances contain all the good and bad properties, so it is not that the higher the extraction rate, the better the taste and aroma. In addition, a moderate concentration is an important factor that can not be ignored for the overall taste. (1) the method of concentration determination

2015-01-23
Stirring and brewing method how to brew coffee by hand

Stirring and brewing method how to brew coffee by hand

The way of stirring and cooking is simple, common and cool. The main results are as follows: 1, in the steaming stage, the amount of water is the standard of direct water injection and stifling; however, if the initial amount of steaming is 50 grams (corresponding to 20 grams of powder), then the whole instantaneous water trend chart will be different; the amount of water injection in the steaming stage will determine the instant in the later stage of cooking.

2016-06-13
The Secret of Coffee extraction factors affecting Coffee extraction

The Secret of Coffee extraction factors affecting Coffee extraction

Is there any secret to making a good cup of coffee? Now let's make a summary of the experience of coffee extraction. Tip 1: let's put aside the argument about water temperature and take a look at the two most extreme methods of making coffee today. Water temperature can directly affect the integrity and speed of coffee extraction. So in principle, you can use ice.

2016-06-08
Different methods of coffee extraction from Indonesian coffee beans as an example

Different methods of coffee extraction from Indonesian coffee beans as an example

Manning Coffee drip filter: wet the coffee powder with water and let the coffee liquid flow through the filter cloth or filter paper and flow into the container at the speed of natural fall. Basically, this method does not soak the coffee powder, just let the hot water pass slowly through the coffee powder. Both the drip cup and the electric coffee maker fall into this category and are the simplest brewing tools that can make clean and brightly colored coffee. Follicular type

2016-05-09
The relationship between the Grinding degree of Coffee Powder and the method of extraction Coffee Grinding Turkish Copper Pot filter Paper dripping method

The relationship between the Grinding degree of Coffee Powder and the method of extraction Coffee Grinding Turkish Copper Pot filter Paper dripping method

Suitable for fineness grinding Turkish copper pot (Ibrik, fine powder), mocha pot, espresso machine (very fine grinding). Suitable for medium grinding filter paper dripping method, flannel dripping method, plug air kettle. Suitable for roughness grinding water drop coffee machine (extreme roughness grinding), dripping filter pot (extreme roughness grinding)

2016-03-17
A brief discussion on the extraction principle of Italian Coffee blending and Baking Espresso

A brief discussion on the extraction principle of Italian Coffee blending and Baking Espresso

A perfect Espresso is affected by many factors, let's talk about blending and baking first. 1, matching: a perfect Espresso starts with matching. The perfect Espresso requires sweetness, and the overall taste will be balanced, with a perfect balance of bitterness, acidity, sweetness and finish. This is a task that cannot be accomplished by a single coffee bean, so

2016-03-07
Coffee powder can be boiled several times-the method of cooking coffee powder

Coffee powder can be boiled several times-the method of cooking coffee powder

Many friends often complain that coffee is more expensive than tea, because tea can be brewed repeatedly, but coffee can only be brewed once. There are also some friends who do not give up and extract the coffee many times.

2016-10-17
How to diagnose espresso extraction (part I)

How to diagnose espresso extraction (part I)

Italian 4m (barista, bean grinder, blending, and espresso machine) includes the key factors in the formation of espresso. The questions often asked on home-barista.com forums often focus on the last factor: which Italian machine should I buy? Once a buyer limits their list to a few options, family coffee hands often start to get pregnant.

2015-11-09
Talking about espresso-how to grind and extract espresso what should be paid attention to?

Talking about espresso-how to grind and extract espresso what should be paid attention to?

1, grinding: Espresso grinding requires a specific machine to complete, the grinder can be divided into manual and electric two kinds, hand-brewed coffee, for example, manual grinding agent and electric grinding machine can meet the hand bubble requirements, but this in Espresso extraction is impossible, Espresso extraction time is very short, the requirement for coffee grinding is very high, almost all coffee extracts

2016-02-22
Espresso Al's Rule

Espresso Al's Rule

Al Critzer's understanding of Espresso extraction has now become the most common Espresso concept in Europe and America. Take the result of 30cc/ 30sec to get a perfect cup of Espresso as the starting point. These two values depend on the beans, of course, and differences in baking methods, baking degrees, and recipe proportions naturally lead to changes in the reference point. Extraction quantity and extraction time mutually interact

2014-09-30
There are two ways to extract espresso.

There are two ways to extract espresso.

The core process of the extraction principle is: (1) grind coffee beans to increase the surface area of coffee in contact with water; (2) fully soak coffee powder in aqueous solution and hydrophilically dissolve coffee essence; (3) separate coffee solution and coffee grounds.

2014-09-11
Coffee hand flushing technique: central water injection

Coffee hand flushing technique: central water injection

Many friends feel that the central water injection method may not be able to extract completely, but my feeling is that the central water injection can extract completely, but the immersion method will be lighter.

2014-07-10
Boutique Espresso

Boutique Espresso

Espresso can have many meanings. First of all, it can refer to a method of coffee extraction, that is, under pressure, hot water is made one or two cups of coffee at a time through pressed coffee powder. Second, it can refer to a certain degree of roasting of coffee, which is darker than dark brown in American roasting (American Roast) and lighter than dark black (extremely dark). If you speak more broadly,

2014-09-02
Some views on extraction by hand and French pressure Coffee, tea and ice cream

Some views on extraction by hand and French pressure Coffee, tea and ice cream

Hand flushing and normal pressure represent the two extraction methods of filter drop and immersion respectively. In theory, the difference in taste and taste obtained by different extraction methods is very obvious, so it is difficult to compare. But in fact, the two also have certain rules in brewing and extraction, which still has a certain reference value for our daily coffee production. First, let's take a look at the system of legal pressure and hand filter drop.

2016-04-20
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