First, when studying the roasting degree of coffee beans, the degree of roasting can be judged by sound, color and aroma. Its color ranges from light gray to dark brown, and its aroma is gradually rich from light and elegant; the sound is made two times of bursting sound. Taking the heat-resistant raw bean as an example, the first explosion begins at about 7 minutes and lasts for about 2 minutes, and its voice is low. It indicates the beginning of pyrolysis, the conversion of starch to caramel and water steaming.
2015-04-17 Coffee common sense about roasting degree explanation research coffee beansThere was a serious divergence in investment returns on commodities in 2014, with coffee prices rising sharply over the year as a whole, while crude oil prices began to fall sharply in the second half of the year after hitting new highs in the first half of the year. As of December 24, the price of crude oil has fallen by more than 40% compared with the price at the beginning of the year. Across the commodity market, crude oil led the decline, while cotton, fuel oil and iron
2014-12-28 Commodities investment returns differentiation serious coffee leading the rise crude oil leading the declineFirst, when studying the roasting degree of coffee beans, the degree of roasting can be judged by sound, color and aroma. Its color ranges from light gray to dark brown, and its aroma is gradually rich from light and elegant; the sound is made two times of bursting sound. Taking the heat-resistant raw bean as an example, the first explosion begins at about 7 minutes and lasts for about 2 minutes, and its voice is low. It indicates the beginning of pyrolysis, the conversion of starch to caramel and water steaming.
2015-02-13 Boutique coffee beans roasting about coffee degree explanation research baking1. When studying the roasting degree of coffee beans, the degree of roasting can be judged by sound, color and aroma. The color changes from light gray to dark brown, and the aroma changes from elegant to rich; the sound is two times of explosion, taking the high temperature resistant raw beans as an example, the first explosion starts at about 7 minutes and lasts for about 2 minutes. The sound is low, indicating the beginning of pyrolysis, starch conversion to caramel, and water evaporation.
2014-09-18 Coffee roasting coffee knowledgeThe creation of coffee flowers, from the beginning of the design, baristas began endless devil-like exercises, the process of repeated basic skills is extremely boring and tiring, very few people understand the process behind the perfect coffee flowers, let alone understand. Today, the skill of coffee flower pulling is no longer a heart-shaped, leaf-shaped, segmented tulip, but an eternal creative topic for baristas.
2015-12-07 Italian style coffee tutorials how to control spend weigh sex main points what is itCoffee roasting (coffee roasting) refers to the heating of raw beans to convert starch in raw beans into sugars and acids at high temperature, cellulose and other substances will be carbonized to varying degrees, water and carbon dioxide will be volatilized, proteins will be converted into enzymes and fats, and the remaining substances will be combined to form an oil film on the surface of coffee beans, and in the process coffee acids will be formed.
2014-06-25 Coffee knowledge coffee roasting coffee encyclopediaCoffee roasting (coffee roasting) refers to the heating of raw beans to convert starch in raw beans into sugars and acids at high temperature, cellulose and other substances will be carbonized to varying degrees, water and carbon dioxide will be volatilized, proteins will be converted into enzymes and fats, and the remaining substances will be combined to form an oil film on the surface of coffee beans, and in the process coffee acids will be formed.
2014-06-04 Coffee knowledge coffee roasting coffee encyclopediaAlthough the output of 139,000 tons increased compared with the previous picking season, it was still about 20,000 tons smaller than expected due to factors such as low temperature and cold wave disaster and depressed market price. Li Gongqin, secretary-general of the provincial coffee industry association, said that at the beginning of this year, precipitation and cooling weather appeared in a large range in the province. Although the warning was timely, it still brought great losses to coffee, tea and other industries. Just coffee.
2016-08-20 Coffee harvest end of season Yunnan yield reached 139 000 tons 13For this bean, zongzi tested different baking degrees, from the end of the first explosion to the end of the first explosion for 30 seconds, the end of the first explosion for 1 minute, and the beginning of the second explosion, and finally set the baking degree within the range from 1 minute after the first explosion to the second explosion of touch. in addition to having the sweetness of Brazilian beans, what is different from the taste of traditional Brazilian beans as clear as water is that yellow bourbon is mellow, nut flavor is obvious, and
2016-10-11 Hand flush Brazil yellow bourbon coffee taste queen manor ice seed cat's eye emeraldFrom the end of the 15th century to the beginning of the 16th century, coffee was already a popular drink in the Middle East, but it was also regarded as a kind of medicine. European ambassadors and merchants in the Turkish Empire also believed that coffee was a healthy drink with special curative effects, and many positive comments helped to import coffee into Europe. Lovov, a famous German doctor and botanist, wrote a book about coffee as early as 1582, but
2015-06-18 Coffee Europe culture history fifteenth century end of the century sixteenth century coffee has beenThe first explosion stage (before the end of the first explosion): 15-18 minutes after the beginning of the explosion, the coffee bean will begin to give back the exactly good heat you gave it, showing a perfect exothermic reaction, and then we can obviously smell that the aroma of coffee will change from grass to coffee coke, and with the progress of an explosion, the coffee beans will burst and expand? It starts at this time until it is charred, basically
2016-06-08 Coffee roasting there are several stages coffee machine every time after drinking cleaning oneThe spread and Development of Coffee in Europe from the end of the 15th century to the beginning of the 16th century, coffee was already a popular drink in the Middle East, but it was also regarded as a medicine. European ambassadors and merchants in the Turkish Empire also believed that coffee was a healthy drink with special curative effects, and many positive comments helped to import coffee into Europe. Lovov, a famous German doctor and botanist, wrote as early as 1582.
2014-11-05 Coffee culture coffee culture history coffee communication coffee developmentTo put it simply, baking is the direct heating of the baking. Unlike cooking, you don't need oil, water, salt or sugar to bake. Just put the raw coffee beans in a heat-resistant container, then heat them on the fire, stir the coffee beans constantly while heating, so that each bean is heated evenly, and stop heating when we reach the degree we want.
2015-05-07 Coffee roasting process that is direct heated simple baked direct.When should I stop baking? The color of coffee beans: Because coffee beans will present different colors when roasted to different degrees, color has become the most commonly used basis for roasting depth. This method can be applied to most coffee beans, but some coffee beans are special. For example, the color of Kenya beans will be much darker than that of ordinary coffee beans.
2015-10-15 When to stop baking can be judged from the following points when to stop bakingCoffee roasting (coffee roasting) refers to the heating of raw beans to convert starch in raw beans into sugars and acids at high temperature, cellulose and other substances will be carbonized to varying degrees, water and carbon dioxide will be volatilized, proteins will be converted into enzymes and fats, and the remaining substances will be combined to form an oil film on the surface of coffee beans, and in the process coffee acids will be formed.
2014-08-20 Coffee knowledge coffee roasting knowledge coffee encyclopediaRegional barista competition photo by the Barista Guild of America. The American Fine Coffee Association (SCAA-SPECIALTY COFFEE ASSOCIATION OF AMERICA) announced a few days ago that it will compete in the qualification system of the American barista Championship (USBC-United States Barista Championship) (or American barista contest).
2015-07-31 Termination Coffee Competition Division SCAA commercialization Road RegionAt the end of the 19th century and the beginning of the 20th century, Bentz Melitta, a German housewife, thought it was too troublesome to make coffee now. One day, she made a hole in the bottom of the copper bowl, took out an blotting paper from her son's schoolbag and put it into the hot water. Immediately, the mellow coffee dripped into the pot through the blotting paper. That's how she invented the ability to filter dregs and retain mellow coffee.
2015-03-06 Ten years ago coffee brewing re-popular at the end of the century 20th century Germany aAt the end of the 19th century and the beginning of the 20th century, Bentz Melitta, a German housewife, thought it was too troublesome to make coffee now. One day, she made a hole in the bottom of the copper bowl, took out an blotting paper from her son's schoolbag and put it into the hot water. Immediately, the mellow coffee dripped into the pot through the blotting paper. That's how she invented the ability to filter dregs and retain mellow coffee.
2015-03-06 Ten years ago coffee brewing re-popular at the end of the century 20th century Germany aCoffee roasting (coffee roasting) means that through heating raw beans, starch in raw beans is converted into sugars and acids at high temperature, substances such as cellulose will be carbonized to varying degrees, water and carbon dioxide will be volatilized, proteins will be converted into enzymes and fats, and the remaining substances will be combined to form an oil film on the surface of coffee beans, and in the process coffee acids will be formed.
2015-01-08 Coffee roasting technology roaster knowledge Daquan coffee coffeIn fact, there has never been a very clear literature on the origin of the coffee flower, only that at that time in Europe and the United States, the coffee flower was the difficult professional technology displayed during the coffee performance, and such innovative skills and the difficult technology showed greatly shocked the coffee industry at that time and attracted public attention from the very beginning. All the people are deeply drawn by coffee.
2015-12-20 Boutique coffee common sense pull flower milk foam production way about flower