As one of the most authoritative professional coffee institutions in the world, the professional coffee cup evaluation system established by SCAA is used as a collection of methods, processes and standards for coffee quality evaluation. Although most cafes in China are not suitable to use this method for cup evaluation, some methods and details in the process may be helpful for us to understand the taste of coffee.
2014-09-11 Coffee knowledge American Fine Coffee Association graded coffee beansFirst, 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 Explanation 8 kinds roasting degree coffee beans common sense research ChengFirst, 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 beansAs one of the most authoritative professional coffee institutions in the world, the professional coffee cup evaluation system established by SCAA is used as a collection of methods, processes and standards for coffee quality evaluation. Although most cafes in China are not suitable to use this method for cup evaluation, some methods and details in the process may be helpful for us to understand the taste of coffee.
2016-01-16 American boutique coffee association SCAA professional coffee cup system flavorFirst, 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 bakingAt present, the naming method mainly comes from two sources: one is the general preference of national drinkers' baking mode: Ruyi baking, French baking and so on. One is the naming rules developed by coffee professionals in the United States from the end of the 19th century to the beginning of the 20th century.
2014-08-15 Coffee knowledge coffee roasting the origin of the name of roasting modeThe quality of coffee is judged by the sense of taste, which is called the coffee cup test, and the person who evaluates it is called the appraiser. The method is to pour 10 grams of coffee powder into a warm coffee cup, then pour 100C boiling water into the cup, stir thoroughly with a spoon, let the powder precipitate, and then remove the foam from the surface. First of all, identify its aroma, and then put the coffee in the mouth to judge
2015-08-13 Confirm coffee best taste step cup test quality judgmentThe Indonesian railway is owned by the state and operated by the Indonesian state-owned asset management company, and the large-scale transportation task is undertaken by the railway. The total length of the national railway in Indonesia is 6458 km, and the narrow-gauge railway is 5961 km long. The railway transportation in Java and Sumatra is relatively developed, of which the Java railway is 4684 km long, accounting for 73.6% of the total railway length in the country. According to the plan, Indonesia will be in Java.
2016-08-15 Indonesia Sumatra Lin Dong Coffee Manor producing area Flavor Taste characteristics introductionWhen we pour the coffee beans at room temperature into the drum of the roaster after preheating, the temperature in the drum will be pulled down quickly and sharply, and the heat accumulated inside will be absorbed by the coffee beans and cause water evaporation. One minute to a few minutes later (the reheating time is related to preheating temperature, heating source, drum design, raw bean quantity, etc.), as the bean table loses moisture, coffee
2015-12-22 Coffee knowledge essentials baking chatting process degree curveWhen we pour the coffee beans at room temperature into the drum of the roaster after preheating, the temperature in the drum will be pulled down quickly and sharply, and the heat accumulated inside will be absorbed by the coffee beans and cause water evaporation. One minute to a few minutes later (the reheating time is related to preheating temperature, heating source, drum design, raw bean quantity, etc.), as the bean table loses moisture, coffee
2015-12-22 Coffee knowledge essentials baking chatting process degree curveCoffee industry exchanges, please add a private Wechat coffee workshop, WeChat: the quality of best-cafe coffee is judged by the sense of taste, which is called coffee cup test, and the appraiser is called appraiser. The method is to pour 10 grams of coffee powder into a warm coffee cup, then pour into 100 ℃ boiling water to brew, stir with a spoon, let the powder settle for a while, and then remove it.
2016-02-22 Coffee cup test aspect decryption what is it purpose function coffee industry deliveryThe principle and process of coffee roasting we must first understand that raw beans are hard seeds in coffee berries, such as water, chlorogenic acid, protein, alkaloids, caffeine, fats, sugars and so on. While baking at high temperature, the above substances will undergo chemical changes such as Mena reaction and Stryker degradation, resulting in coffee tannic acid, nicotinic acid, aromatic esters, alcohols,
2015-01-09 Boutique coffee beans roasting technology coffee training teaching summaryCoffee roasting is a very rigorous science. With the longing and mystery of coffee roasting, Chongqing Brista Coffee West Point training College brings you into coffee roasting teaching today. The following is a summary of coffee roasting teaching for your reference. The principle and process of coffee roasting we must first understand that raw beans are hard seeds in coffee berries, moisture,
2015-09-02 Coffee beans roasting basics coffee principle process very rigorousFirst, about the examination subject Q-GRADER is a test jointly certified by SCAA and CQI. At present, the examination will take 5 days, with a total of 22 subjects. If you pass all the subjects, you can get Q-GRADER certification. If you have failed subjects, you can pass the make-up exam within 18 months. Specific subjects include: ①, 1 general knowledge written test, 100 answers in 1 hour
2015-04-23 About Q-GRADER exams some summaries about exams subjectsFirst, about the examination subject Q-GRADER is a test jointly certified by SCAA and CQI. At present, the examination will take 5 days, with a total of 22 subjects. If you pass all the subjects, you can get Q-GRADER certification. If you have failed subjects, you can pass the make-up exam within 18 months. Specific subjects include: ①, 1 general knowledge written test, 100 answers in 1 hour
2015-10-19 About Q-GRADER exam some summary coffee aboutMany thermal and chemical reactions take place during baking: decarbonation, dehydration of quinic acid, subdivision, isomerization, polymerization, and complex sugar reactions (caramelization). The main components of the thermal reaction are monosaccharides and sucrose, chlorogenic acid, free amino acids, and fenugreek amide. Both aravinose and calactose in the polysaccharides are transferred, and the basic vulcanization contains hydroxylated amino acid.
2014-08-15 Coffee knowledge coffee roasting process baking chemical reactionAfter successfully passing the Q GRADER exam, some friends who are interested in the Q GRADER exam have asked me about the exam. It is true that there is less data in this area. Therefore, I would like to make a general summary here to give some reference to friends who want to take the Q GRADER. First, about the examination subject Q GRADER is an examination jointly certified by SCAA and CQI. At present, the examination will be arranged for 5 days.
2015-04-11 Qgrader exam some Summary reference smooth pass GRADAfter successfully passing the Q GRADER exam, some friends who are interested in the Q GRADER exam have asked me about the exam. It is true that there is less data in this area. Therefore, I would like to make a general summary here to give some reference to friends who want to take the Q GRADER. First, about the examination subject Q GRADER is an examination jointly certified by SCAA and CQI. At present, the examination will be arranged for 5 days.
2015-01-29 Coffee exam Qgrader some summary smooth pass GRADAfter successfully passing the Q GRADER exam, some friends who are interested in the Q GRADER exam have asked me about the exam. It is true that there is less data in this area. Therefore, I would like to make a general summary here to give some reference to friends who want to take the Q GRADER. First, about the examination subject Q GRADER is an examination jointly certified by SCAA and CQI. At present, the examination will be arranged for 5 days.
2015-10-24 Qgrader exam some summary coffee cup smooth pass GRAFirst, about the examination subject Q-GRADER is a test jointly certified by SCAA and CQI. At present, the examination will take 5 days, with a total of 22 subjects. If you pass all the subjects, you can get Q-GRADER certification. If you have failed subjects, you can pass the make-up exam within 18 months. Specific subjects include: ①, 1 general knowledge written test, 100 answers in 1 hour
2015-11-07 Coffee Q-GRADER exams materials about some summary