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Coffee Knowledge

Latest articles, industry insights and brewing guides

Definitions of individual and mixed coffee

Definitions of individual and mixed coffee

"single coffee" generally refers to a single style of coffee beans from a single country or producing area. It can be compared to a coffee solo. If a bag of coffee is marked with the name of a coffee-producing country (coffee beans are not produced in continental Europe, and if the label says the names of European cities such as Italy, Vienna, etc., it is not individual coffee.) Generally speaking, it means that this is a bag of individual coffee. Such as

Coffee and Nutrition

Coffee and Nutrition

Coffee contains a small amount of nutrients. Every 100 grams of coffee beans contain 2.2 grams of moisture, 12.6 grams of protein, 16 grams of fat, 46.7 grams of sugar, 9 grams of cellulose, 4.2 grams of ash, 120 milligrams of calcium, 170 milligrams of phosphorus, 42 milligrams of iron, 3 milligrams of sodium, 0.12 grams of vitamin B2, 3.5 milligrams of nicotinic acid, 1.3 grams of caffeine and 8 grams of tannins.

Why do merchants overroast coffee beans?

Why do merchants overroast coffee beans?

1. Deep roasting will make guests who don't know much about coffee feel very coffee-flavored; 2, lower requirements for raw coffee beans, and even do not have to go to the selection of several carefully selected coffee beans to match. The flavor of coffee produced by deep roasting of any kinds of coffee beans is similar, because deep roasting will burn off most of the flavor of coffee beans. 3. Low requirements for coffee machine operators

Content of polyphenols in coffee beans

Content of polyphenols in coffee beans

The technology includes two processing steps: the first step is to use water extraction technology to extract polyphenols from raw coffee beans and dissolve them in water, and the second step is to roast raw coffee beans with excessive polyphenols in an almost vacuum condition. spray a high concentration of polyphenol aqueous solution before ending baking, thus greatly increasing the polyphenols in roasted coffee beans.

Why does the coffee turn sour when it gets cold?

Why does the coffee turn sour when it gets cold?

Sometimes we have this experience: we have a cup of coffee in a coffee shop or ourselves, and we love to drink black coffee, so we don't add sugar or milk, but before long, as the coffee gets cold, the originally mellow coffee will also become sour and difficult to swallow. Why on earth is this? Is there any way to avoid it? In fact, drinking coffee is like eating fish, most of the time it's hot.

Why is it called Espresso?

Why is it called Espresso?

"Espresso" means "express" or "fast" in Italian. Italian coffee is called the root of good coffee. Although the reputation of Italian coffee belongs to Italy, the first Italian coffee machine was simply tried in France, but as we know today, it was successfully developed by the Italians.

Different coffee with different collocation

Different coffee with different collocation

A good cup of kung fu coffee is like a good base wine, which can make any kind of coffee, such as the most popular cappuccino and the most common latte are made with kung fu coffee. Of course, you can also be so clean and pure vegetarian, good kungfu coffee surface will be covered with a thick layer of dark brown oil, oil sandwiched with fine markings, do not need

Espresso caffeine content

Espresso caffeine content

In addition to its unparalleled aroma, consistency and rhyme, Espresso coffee has one of its biggest features: low caffeine. When some people drink Esprsso coffee for the first time, they have the illusion that such strong and pure coffee must have a high caffeine content. In fact, on the contrary, in all the coffee-making methods, the coffee is made with the same coffee beans and Espress.

The color of coffee fragrance body

The color of coffee fragrance body

The color of coffee refers to two aspects: the color of roasted coffee beans and the color of coffee soup, that is, the color of coffee liquid. Like drinking red wine, when I get a cup of coffee, the first thing I need to do is neither smell the fragrance nor taste it, but watch the color. First of all, look at the roasting color of coffee beans. Generally speaking, the lighter the color of coffee beans are, the closer they are to the color of wheat.

Single espresso

Single espresso

Single espresso is the basic style of kung fu coffee. It is the most popular coffee in Europe. If you only ask for coffee when you order in a cafe or restaurant, the waiter will definitely bring you a cup of kung fu coffee directly. They like to use small glasses similar to Shooter, and most of them are drunk in one or two sips, rarely with slow taste, and Chinese kung fu.

Make the perfect espresso

Make the perfect espresso

In terms of pure sensory entertainment, there are few experiences in daily life that can be comparable to a good cup of coffee. The charming fragrance of a cup of hot, smoking coffee just brewed from freshly roasted beans can pull sleeping people out of bed and lead passers-by into the cafe. There are millions of people around the world who are not caused by caffeine in their coffee for a while.

Three options for adding sugar to coffee

Three options for adding sugar to coffee

Sugar can be divided into white sugar, brown sugar and yellow sugar according to color. The difference in color is due to the different degree of removal of impurities in the sugar-making process. White sugar is refined sugar, the purity is generally more than 99%; yellow sugar contains a small amount of minerals and organic matter, so it has color; brown sugar is unrefined crude sugar, the color is very dark.

The method of making flower drawing

The method of making flower drawing

◆ flower drawing method: 1, first brew the coffee, it is recommended to directly hold the coffee in the required cup. Then hit the milk foam, after completion, if there is a thicker milk foam floating on the surface, please remove it. 2. Slowly pour the milk foam into the just-finished coffee. When the milk foam is fully mixed with the coffee, the surface will show a thick shape, and this is the time to start drawing flowers.