Coffee knowledge Coffee Grinding and extraction

Coffee grinding and extraction the ideal time for coffee grinding is to grind it before cooking. Because ground coffee is easy to oxidize and lose its flavor, especially without proper storage, coffee powder is also easy to change flavor, so it is naturally impossible to cook mellow coffee. Before the invention of the bean grinder, people used stone pestles and bowls to grind coffee beans. A doctor once experimented with this kind of ancient.

Learn about coffee berry picking-berry treatment-drying

Coffee berry picking-berry treatment-drying what we call coffee beans are actually the seeds of a cherry-like fruit. Coffee trees produce berries, called coffee berries, whose bright red color means they are ripe and ready to be picked. The fruit clustered on the branches. The outer skin (exocarp) of coffee berries is thick and bitter. However, the fruit (mesocarp) inside is sweet and has the texture of grapes.

Processing of coffee beans production of coffee beans

Sun-dried coffee beans [Pirajui in Sao Paulo, Brazil] there are two ways to prepare coffee beans for roasting. The method chosen has a significant impact on the final price and quality of coffee. The cheapest processing method is called drying, which is used for lower-grade coffee beans, while higher-quality coffee beans are wet-treated.

Use and maintenance of coffee machine

Coffee machine use and maintenance cleaning now many people begin to use coffee machine, coffee machine in brewing and grinding coffee has a good performance, taste is much better than instant coffee, but many people will not use and maintain well. Today, I will give you the popularization of the knowledge of use and maintenance, let's have a look at it! 1. After you buy it, please read the manual carefully and take a look at the voltage

About the history of coffee roasters

The history of coffee roasters as early as the 13th century, the Arabs invented to put coffee beans in a pot, heat and stir-fry them, then grind them into powder, and then brew coffee. The early Arabs liked to bake the beans shallowly and boil them with spices such as cardamom. Later, this method of stir-frying coffee spread to Syria, Turkey and Egypt, where it was used to stir-fry coffee black.

(turn) follicular coffee: the exquisite filter cup

Follicular coffee: the type of filter cup is divided from the material, the filter cup has ceramic, acrylic, AS resin and other types. According to the number of bottom filter holes, there are three kinds of holes: single hole, double hole and three holes. The single-hole filter cup was invented by Mrs. Melitta in Germany, so it is also known as the Melitta cup. It is more popular with Germans who like deep baking. But in the beginning, the coffee powder

These 9 types of people should not drink coffee

High blood pressure: Coffee contains caffeine, which can increase blood pressure in some sensitive patients. 2. Renal failure: renal failure patients if there is hyperkalemia phenomenon, the need to cooperate with potassium-limited diet, coffee potassium content is high. 3. Peptic ulcer: caffeine stimulates gastric acid secretion, relaxes smooth muscle vessels of the digestive system, accelerates food metabolism, and reduces the nutritional value of food.

How to distinguish the advantages and disadvantages of instant coffee

How to distinguish the advantages and disadvantages of instant coffee is that coffee beans are roasted and crushed to get pure coffee, then extracted and vacuum concentrated into powdered coffee, which can be brewed at any time and dissolved in boiling water. The shelf life of instant coffee is usually two years. Now I would like to introduce the sensory identification of the quality of instant coffee, which can be divided into two stages: before brewing and after brewing. (1) pre-brewing warning

Where on earth does the aroma of coffee come from?

Where on earth does the aroma of coffee come from? In my mind, there is no smell that can be compared with the smell in the coffee field at flowering stage. The first flowering period of the coffee tree is about three years. The white flowers are five-petal tube-shaped flowers, with a faint fragrance of jasmine, and the inflorescences are arranged in dense clusters. It will wither after two or three days of flowering and begin to bear fruit after a few months. In Yunnan

Walking into Africa, the hometown of coffee

One thing I am very curious about is that coffee comes from Africa, but in many parts of Africa, especially in small towns and villages, few people drink coffee. This time I visited the hometown of Uganda, which is rich in coffee, and this question can basically be answered. There are many coffee farms in the village of Budadiri in Mombali, a small town near the Kenyan border in Uganda.

Simple utensils to make good hand-made coffee at home

Simple utensils you need to make good hand-made coffee at home: a lovely pot, no electric mill can be ground by hand, filter paper, long-mouth kettle, filter cup, 40g light-roasted or medium-roasted coffee beans. Preparation steps: choose moderately ground coffee beans and set aside, boil with boiling water and pour into a long-mouth kettle. Put the filter cup on the Ke'ai pot and put the filter paper carefully into the ground coffee powder.

26 tips for siphon pot brewing coffee

26 tips for siphon pot brewing coffee. The next bottle should be dried and there should be no water droplets. When you pull out the upper seat, tilt to the right and pull it straight up, do not break it. 3. The spring under the middle filter should be tightened, the hook should be hooked, and pulled to the center. 4. Plug it down when you plug it into the seat. 5. Pay attention to water quality: pure water, pure water, magnetized water, distilled water, do not use mineral water?

Comparison table of common coffee producing countries in the market

There are mainly two kinds of coffee on the market, such as Coffea Arabica and Coffea Robusta. Each of them can be subdivided into more variety branches. Most of the coffee beans in circulation on the market are distinguished by their origin. The following is a list of some of the major producing countries and their famous coffee: Brazilian coffee fruit (Arabica) Brazil: Santos, Brazil

The size of coffee powder needed to make coffee in various coffee pots.

Here we share the different degrees of grinding we use for various brewing methods, from coarse to fine, in the following order:

The Purity of Coffee beans

The expert candidate for coffee is not to look at the size of the particles, but to grab a handful of individual coffee beans, about dozens of them, to see whether the color of each coffee bean is the same and the granules are large.

Three simple steps to determine whether the raw coffee beans are fresh

There are three steps: smell, see, and peel. Smell: put the coffee beans close to the nose and smell them deeply to see if you can clearly smell the aroma of the coffee beans. If so, the coffee beans are fresh enough. On the contrary, if the aroma is weak, or has begun to appear greasy, it means that the coffee beans are not fresh at all. This kind of coffee beans, no matter how much effort you put into grinding and going

Espresso is a comprehensive art of coffee.

In Italy, "Espresso" means "on the spur of the moment" and "for you". However, it seems a bit far-fetched to translate it into "espresso" in China. With the word "condensed" in its meaning, it is easy to make people feel uncomfortable and dare not try its rich and wonderful flavor.

Production Essentials of Italian concentrated Espresso

First, grinding espresso requires very fine grinding of coffee beans, but due to the physical properties of beans, humidity, temperature and other factors, we should grasp the accurate degree of grinding, timely adjust the degree of grinding. Second, the packing of the powder will lose its flavor because the finely ground coffee powder will oxidize soon after it comes into contact with the air, so it is necessary to make sure that it is done first and when it is fully dressed.

Common cooking method-use of semi-automatic coffee machine

Small coffee, big world

UK: UK coffee roasting and retail Costa Coffee sales revenue rose 26% to $1.232m in the six months to August. Costa opened 84 new stores during the period, bringing its total of 775 stores in the uk. Taiwan: Taipei and Coffee Memories and Stories in Taipei City hosted by Taiwan Fine Coffee Association in early October, traditional Turkish coffee making