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What is the principle of Rao hand brewing coffee? what is the effect of rotation on coffee extraction?
In the world of hand brewing in Europe and the United States, many well-known baristas admire the hand brewing technique of Rao (Rao Spin), which is used by at least three world coffee brewing champions. The rotation method is said to have been invented by Scott Rao, who has a reputation as a global barista soul mentor, but he denies it, saying there is someone else. What exactly is the Rao technique and why it is highly regarded by the boutique coffee industry?
2020-07-13 Rao style hand coffee brewing principle what is it rotation extraction what shadow -
Dynamic drip filter pot hand siphon kettle (stirring force) low temperature extraction filter kettle
The soaking time should be inversely proportional to the baking degree under a fixed amount of water, the longer (shorter) the steaming time, the higher (lower) the extraction rate and the higher (lower) the concentration. The baking degree should be taken as the main consideration for the length of soaking time. Shallow baked beans are not easy to extract, so the brewing time should be a little longer than baking. On the contrary, re-baked beans are easier to extract, so the brewing time is slightly shorter than that of shallow baking. In other words, the baking degree should be
2016-07-01 Dynamic drop filter pot hand flushing pot siphon stirring force low temperature extraction French filter pressure -
-how to clean the coffee machine solenoid valve?-what's wrong with the coffee machine?
How to clean the coffee machine solenoid valve-how does the coffee machine run out of water? Principle of direct-acting coffee machine solenoid valve: when powered on, the solenoid coil produces electromagnetic force to lift the closing part from the valve seat, and the valve opens; when the power is off, the electromagnetic force disappears, the spring presses the closing part on the valve seat, and the valve closes. Features: it can work normally under vacuum, negative pressure and zero pressure, but the diameter is generally less than 25m.
2017-01-04 Coffee machine solenoid valve what cleaning water what's going on coffee machine -
The Free Trade Agreement between China and Costa Rica will enter into force on August 1
After friendly consultation and written confirmation, the China-Costa Rica Free Trade Agreement entered into force on the same day. In the field of trade in goods, China and Colombia will implement zero tariff on more than 90% of their products in stages. According to the agreement, China's textile raw materials and products, light industry, machinery, electrical equipment, vegetables, fruits, automobiles, chemicals, raw fur and leather and other products and Costa Rica
2016-09-19 China Costa Rica Free Trade Agreement August date entry into force Friendship consultation -
How to control the filling strength of Italian coffee powder press and how to do it
There are also a variety of theories about the strength of coffee powder pressing, 5 pounds, 10 pounds, 20 pounds. Few people know what it is, and there's no need to worry about how many pounds of force it takes, just remember to apply the force evenly so that the pressed powder's tight surface is smooth. If the force is too heavy, it will be very difficult for the water to flow through pressed powder during the extraction.
2016-10-19 Italian style coffee powder pressing machine filling strength should how to master how to do -
The semi-hot fan of coffee roaster is long and mellow, stable and introverted, like the elderly with deep internal force.
Professional coffee knowledge exchange more coffee bean information please follow the coffee workshop (Wechat official account cafe_style) bean roaster: straight hot VS hot air = it is like the difference between Japanese cars and European cars, Jian Zong and Air Zong! The semi-hot fan is mellow, stable and introverted, like an elderly with deep internal force, while a direct fire machine is like a snake girl who dares to love, dare to hate, amorous and changeable.
2019-04-09 Coffee roaster semi-hot fan mellow long stable introverted internal force thick -
[coffee knowledge] coffee powder pressing Italian coffee powder pressing strength of espresso
![[coffee knowledge] coffee powder pressing Italian coffee powder pressing strength of espresso](https://world.gafei.com/uploads/allimg/190805/17-1ZP5140130S6-lp.jpg)
Professional coffee knowledge exchange more coffee bean information please pay attention to the coffee workshop (Wechat official account cafe_style) pressing powder about the power of the powder is also a variety of views, 5 pounds, 10 pounds, 20 pounds few people know what this is, in fact, there is no need to worry about how many pounds of force, just always remember to apply force evenly, to achieve the pressed powder compact surface
2019-08-07 Coffee knowledge pressing powder Italian style tight concentrated strength professional coffee -
How does the force of stirring, stirring and impact affect the extraction rate when brewing coffee?
Professional coffee knowledge exchange more coffee bean information please follow the coffee workshop (Wechat official account cafe_style) kono filter cup hand flushing method comparison: Ben flow VS Kanazawa flow KONO drip brewing, stirring type brewing, whether it is practice hand brewing or siphon pot, when brewing coffee, pay attention to the coffee powder and water in the process of operation, the water in the impact road is strong
2018-02-02 Brewing coffee stirring strength impact how influence extraction rate specialty -
Coffee cloth powder technique video tutorial flower embossing shaking technique
Coffee cloth powder technique video tutorial flower embossing shaking technique powder pressing about the strength of the powder pressing problem is also a variety of statements, 5 pounds, 10 pounds, 20 pounds... Very few people know what these ghosts are, in fact, there is no need to worry about how many pounds of force to use, just remember to apply force evenly at all times, until the powder is firm and the surface is flat. If you use too much force, extract
2016-11-21 coffee powder technique video tutorial stretch embossing shaking -
Themed Cafe: another main Force in expansion
There is no doubt that various themed cafes are another main force in the expansion of cafes.
2014-05-30 Coffee News Cafe theme Cafe -
Costa Rica stimulates the main force of the coffee market
Due to the decline in coffee prices on the international market, Costa Rican coffee exports totaled US $306 million in 2015, down 26% from US $412 million in 2012, Costa Rica reported on May 12. In the first quarter of 2016, the average world price of coffee was $1.14 per liter, down 26 per cent from the same period in 2014. Affected by climate change and diseases and insect pests at the same time, the coffee growing area of Colombia
2016-05-25 Costa Rica stimulation coffee market main force national newspaper May -
China has become the main force in the coffee market
With the process of China's reform and opening up, Western culture, represented by coffee, continues to infiltrate in domestic cities with the rapid growth of the middle class, with the improvement of the quality of life and the acceleration of tempo. More and more Chinese people accept and like coffee as an elegant, fashionable and romantic way of leisure and art of life. Data from Beijing International Coffee Industry Association and China International Trade Center
2016-06-01 China has become the main force in coffee market along with the process of reform and opening up in China. -
An important driving Force of Guangzhou Fine Coffee Culture: 7-inn Yuyuan Cafe
Do you remember where the first boutique coffee was drunk? Perhaps there are many Guangzhou coffee fans will say: Yuyuan ah! As the hour hand turned, my thoughts flew back to the coffee smell in my memory. In 2005, a pastoral cafe poked out half of its head from the lush flowers and grass, and there was a strong aroma of coffee in the house. The Taiwanese boss is enthusiastically discussing with local coffee fans about different places of origin.
2017-02-24 Guangzhou boutique coffee culture important promotion strength 7-inn Yuyuan coffee -
Manual bean grinder operation step 3: shake the handle to start grinding, pay attention to force appropriate uniform speed.
Manual bean grinder operation step 3: shake the handle to start grinding, pay attention to force appropriate uniform speed. No matter what kind of grinder is used, it is bound to generate heat by friction in operation. Most of the fine substances are highly volatile, the heat of grinding will increase the speed of volatilization, and mellow is lost in the air. After the coffee bean is ground, the cell wall will completely disintegrate, and the area in contact with the air will
2016-12-05 Manual type mill bean machine operation steps shake handle start grinding attention use -
Introduction to coffee knowledge-correct powder pressing posture
Coffee knowledge introduction-the correct powder pressing posture requires heavy pressure. The coffee powder which has been lightly pressed in front has formed a relatively compact pressed powder, so it needs to be pressed further to meet the compaction requirements of pressed powder required by the production of Espresso coffee. The reason why it is not suitable for light pressure is that the compactness of light pressure pressed powder is not enough to produce rich and mellow espresso.
2017-01-04 Coffee knowledge introduction correct powder pressing posture -
The wave of boutique coffee has grown into a huge commercial force-essentially a rise in consumption in the coffee sector
Boutique coffee is essentially the upgrading of consumption in the coffee field. People need more cost-effective and high-quality coffee. They not only attach importance to coffee processing technology, but also pick on the source of coffee beans from the source. For example, coffee from North Africa, Indonesia and other places is more popular because of its high quality. Boutique coffee has gradually become a favorite of Chinese coffee lovers. Ming Qian Coffee, Ming Qian
2017-01-06 Boutique coffee tide growth big business power essence domain consumption -
Coffee shop photography god skills: high force grid coffee photos easy to shoot
Professional barista communication, please pay attention to coffee workshop (Weixin Official Accounts cafe_style ) photography actual combat skills sharing coffee Jianghu popular sentence called: go to the cafe to drink coffee, do not take a photo of a circle of friends, this cup of coffee will be wasted! In order to satisfy everyone's pretentious needs, many coffee shop bosses have spent a lot of effort to decorate the beautiful environment, and the baristas have also exerted their utmost efforts to show off various shows.
2017-05-29 Cafe Photography Skills High Force Coffee Easy Professional Communication Off -
Sharing of essential knowledge for making espresso
Next, the editor will share with you the necessary knowledge points for making espresso. I hope it will be helpful to you! After the cloth powder is powdered, spread the coffee powder in the handle evenly and press the powder. Press the powder smoothly once with a force of 5 pounds, then once with a force of 30 pounds, and then with a force of 20 pounds. At the same time, the powder press rotates 720 degrees. Water containing minerals used in espresso must be filtered.
2017-07-20 Production concentration coffee essentials knowledge sharing below compiled as everyone -
Catch elves while drinking coffee! Starbucks pretends to force new tricks.
Recently, Starbucks China officially announced that it has reached a strategic partnership with Tencent, and announced that nearly 2500 Chinese mainland stores will fully support Starbucks from now on. In fact, in foreign countries, Starbucks has a more approachable way to play, that is, with the AR mobile game Pokmon GO, which is popular all over the world and captures thousands of otaku men and women. Recently, there are rumors that Pokmon GO will join Starbucks.
2016-12-09 Drinking coffee scratching elves buck pretending new routines routines recently -
The correct method of filling and pressing Italian Coffee to make Espresso Powder filled with Coffee beans
[packing pressure] is divided into light pressure and heavy pressure. Its main purpose is to make pressed powder complete after uniform force. ①, light pressure is carried out by the weight of the cake hammer itself; ②, heavy pressure is carried out by artificial external force. Due to too many artificial forces, packing is one of the biggest factors in the whole ESPRESSO extraction process, so experienced baristas want to ensure consistent production.
2016-06-30 Italian Coffee packing correct method making Espresso filling Powder