Coffee Knowledge
Latest articles, industry insights and brewing guides
Introduction to Coffee roasting five pieces of Coffee roasting process
Professional coffee knowledge exchange more coffee bean information please follow the coffee workshop (Wechat official account cafe_style) 1, dehydration said coffee roasting the first step, coffee bean itself is a plant seed, life, moisture. Raw coffee beans are also willing to be exposed to moisture and increase in water content in the packaging, transportation and storage after treatment. The temperature of baking and dehydration is all 170 degrees Celsius.
The most important key in the roasting process is the change of coffee flavor caused by the degree of roasting.
Professional coffee knowledge exchange more information on coffee beans Please pay attention to the coffee workshop (Wechat official account cafe_style) beans overroasted coffee will only highlight the bitter taste; under-roasting will become too sour. According to the characteristics of beans, it is important to know the best time to stop baking. After knowing the ideal baking degree of each kind of beans, it is also helpful to buy baked beans. If the shopkeeper
The difference between "Mena reaction" and "caramelization" in the baking process
Professional coffee knowledge exchange more coffee bean information please follow the coffee workshop (Wechat official account cafe_style) Mena reaction wins caramelization Mena reaction refers to a series of monosaccharide carbohydrates (glucose, fructose, maltose, arabinose and lactose) and proteins (amino acids) through a series of degradation and polymerization, the color will also become darker, 1912 by the French scientist Mena
Flavor changes caused by caramelization during baking
Professional coffee knowledge exchange more coffee bean information Please pay attention to the coffee workshop (Wechat official account cafe_style) raw beans contain about 6% 9% of the bean weight, is the main raw material of coking sugar, sucrose is about 130 ℃-170 ℃, is pyrolyzed into low molecular weight monosaccharides, namely glucose and fructose, and releases aroma and carbon dioxide, but as the furnace temperature rises, to 180 ℃
Analysis on the color change of raw coffee beans during roasting one of the reasons for the formation of coffee bitterness
Professional coffee knowledge exchange more coffee bean information please follow the coffee workshop (Wechat official account cafe_style) We all know that the color of raw coffee beans is light green, dark green, dark green, surface yellowing, the color of raw coffee beans is also different, but the color of roasted beans all turn brown, why is that? It comes from oligosaccharides and ammonia.
Tell me about the same baking color, can you tell what the baking effect is?
Professional coffee knowledge exchange more coffee bean information please follow the coffee workshop (Wechat official account cafe_style) 1. The air in this seam has a different thermal conductivity from the beans outside. If it will cause the two temperatures to be different. Most of the problem is that the air inside is much hotter than beans. For example, the oven is too hot, or the beans are not thoroughly dry. You'll see the middle.
Magic country-Colombian Coffee History and Culture how to distinguish between Colombian Coffee grades
For more information on coffee beans, please follow the coffee workshop (Wechat official account cafe_style) Colombia has Bolivar, the hero of the independence movement, and Marquis, the giant who wrote the literature of "A hundred years of Solitude," but it is after the 1990s that the few Latin American countries absent from democratization or left-wing regimes have been politically fostered by the United States.
To drink good coffee, you should pay attention to simple and easy-to-understand knowledge. The difference between single coffee and Italian coffee.
Professional coffee knowledge exchange more coffee bean information please follow the coffee workshop (Wechat official account cafe_style) "single coffee" refers to this single style of coffee beans from a single country or region. 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, if the name of a city in an European country is written on the label
The world of coffee is full of Guatemalan cigarette coffee. Have you ever known it? Is it herbal?
Professional coffee knowledge exchange more coffee bean information please pay attention to the coffee workshop (Wechat official account cafe_style) Guatemala also has: tropical rain forest, volcanic geology, plateau valleys and changeable microclimate, coupled with several rainfall patterns and fertile soil, make Guanguo coffee rich in flavor. With the establishment of the Coffee planting and Promotion Committee in 1845, coffee became the place.
A brief Analysis of the advantages of growing Coffee in Brazil, the largest producer of Coffee
Professional coffee knowledge exchange more coffee bean information Please pay attention to the coffee workshop (Wechat official account cafe_style) Coffee is a tropical plant, the planting area is on the axis of the equator. It is planted between the Tropic of Cancer at about 25 degrees north and south latitudes. This area is also known as the "bean belt" or "coffee belt", tropical highlands or mountains at an altitude of 500-2500 meters.
On the Myth of Fine Coffee and discussion on the definition and Standard of Fine Coffee beans
Professional coffee knowledge exchange more coffee bean information Please pay attention to the coffee workshop (Wechat official account cafe_style) boutique coffee, as the name implies, is from the beans to the cup has always maintained the highest quality coffee. It can be a concept and philosophy, and it is the foundation to ensure the long-term prosperity and development of the coffee industry chain. Boutique coffee can be defined as coming from a known producing area, with high quality and special characteristics.
Do you want to know the secret of coffee beans? The reason why you can't make coffee by hand.
Professional coffee knowledge exchange more information about coffee beans Please follow the coffee workshop (Wechat official account cafe_style) people need to piece together coffee from different places 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 grown in a single place of origin is enough to make the export flavor.
Learn how to import coffee from Ethiopia what is the top variety of Ethiopian coffee
Professional coffee knowledge exchange more coffee bean information Please pay attention to the coffee workshop (Wechat official account cafe_style) in recent years Ethiopia has made efforts to implement the opening-up policy market economy and privatization policy have achieved remarkable results. As far as coffee is concerned, Ethiopian coffee cultivation plays an important role in agricultural products, as the Ethiopian government vigorously promotes coffee.
Having obvious floral and fruity aromas is Ethiopia's unique coffee flavor. Know Ethiopia's best coffee brand.
More information on coffee beans Please follow Coffee Workshop (official Wechat account cafe_style) Ethiopia has an almost legendary status, not only because it is the birthplace of Arabica coffee, but also because it is different from most coffee-growing countries, coffee is not a plant that colonizes an alien cash crop. Coffee is grown, processed and consumed locally.
What are the coffee roasters the difference between a semi-hot air roaster and a direct roaster
Professional coffee knowledge exchange more coffee bean information please pay attention to the coffee workshop (Wechat official account cafe_style) semi-hot air (Half Hot Air Roaster), as the name implies both the advantages of direct fire and hot air baking method. Van Guban, a German, improved and manufactured a barrel roaster in which hot air was introduced into the baking chamber through a small hole in the drum. 1907, Germany
Where does the pressure difference in coffee roasting come from? Why use "differential pressure gauge"?
Professional coffee knowledge exchange more coffee bean information please pay attention to the coffee workshop (Wechat official account cafe_style) what is a differential manometer to measure the pressure difference between the two ends is called a differential manometer, a differential pressure gauge is installed in the exhaust duct to measure the pressure difference between the bean roaster boiler and the outside, in Pa. Can be simply divided into mechanical pressure difference meter and digital pressure difference meter: mechanical pressure difference meter
Why do we drink boutique coffee? What beans do you recommend when a novice drinks boutique coffee for the first time?
Professional coffee knowledge exchange more coffee bean information please follow the coffee workshop (Wechat official account cafe_style) Why should we drink boutique coffee? In the past, people's impression of "coffee" was nothing more than "bitter", which came from the flavor impression caused by "deep roasting" in the second wave of coffee, and with the changes of the times, coffee culture also evolved into promoting "medium and light roasting".
Coffee bean roaster what is direct-fire coffee bean roaster advantages and disadvantages of direct-fire roaster
Professional coffee knowledge exchange more coffee bean information please follow the coffee workshop (Wechat official account cafe_style) direct coffee bean roaster direct fire (Direct Fire Roaster), literally, the coffee beans are directly heated by fire. The biggest feature is that the drum has a small hole, and the fire can burn directly to the bean watch. Although you can flip the drum in order to make the coffee beans
Coffee Bean roasting degree Coffee Flavor Coffee Bean Baking basic knowledge
For more information on coffee beans, please follow the normal roasting in the coffee workshop (official Wechat account cafe_style): this roasting takes about 10 minutes, the color is between brown and light brown, the taste is relatively balanced, and the appearance is smooth and flawless. Light roasting: a short period of roasting will make the coffee beans underdeveloped, and the caramel inside the bean heart will reverse.
China's coffee and tea, whether China contains coffee or coffee stands proudly in China.
Professional coffee knowledge exchange more coffee bean information please follow the coffee workshop (Wechat official account cafe_style) coffee and tea, is one of the representatives of Chinese and Western cultures. A mysterious leaf reflects the plant character of Easterners, while the endosperm that gives birth to life represents the animal character of Westerners. During the New Culture Movement, Li Dazhao wrote the article "differences between Chinese and Western cultures".