Original: Basic Chemical Reactions Occurring in the Roasting Process by Carl Staub sourced from the SCAA Roast Color Classification System developed by Agtron-SCAA in 1995 Many thermal and chemical reactions occur during the roasting proces
2015-10-26 Coffee roasting process basic chemical reaction Chinese-English bilingual explanationRoasting process: raw beans after more than 200 degrees Celsius baking, water begins to evaporate, volume will expand, weight will be reduced, the deeper the baking, the more weight loss. Another phenomenon is that during roasting, coffee beans will release carbon dioxide. After roasting, the ripe beans will continue to exhaust for 30 days. This helps the coffee beans stay fresh because of the emission of carbon dioxide.
2016-06-06 coffee roasting tips process korea brand green beans passing< 1 > filter drop method (Paper Drip) 1. First put the prepared filter into the drip, then put the ground coffee powder into (about 2 tablespoons per person, about 12 grams) 2. Pour 95 ℃ of boiled water gently from the center and let the coffee powder and boiling water permeate and spread in a whirling way. at this time, the coffee powder begins to expand and slowly sink, waiting for 25 seconds before preparation.
2015-02-28 Coffee method filter drip siphon boilNaked eye observation as one of the methods to determine the roasting degree of coffee beans is very limited when used alone. If it is supplemented by the judgment of burst sound and the discrimination of fragrance, quite accurate results can be obtained. But the world of coffee is full of surprises and rarely conventional, and explosive Sumatra is often mistaken for urban baking. On the other hand, the color of some coffee beans after roasting will look better than that of actual roasting.
2015-09-10 Coffee beans roasting picture and text description raw beans different degrees changes coffee beans1 is the state of raw coffee beans, 2 is that coffee beans are heated at the furnace temperature 3. As the temperature rises, the free water in coffee beans begins to evaporate, and the beans begin to change from green to yellow. At this stage, beans still have obvious grass flavor. 4 coffee beans are further dehydrated, from light yellow to color similar to longan. At this stage, the free water in coffee beans is further removed, and coffee beans gradually expand 5.
2016-07-14 Coffee roasting making at home Italian blending coffee beans coffee raw beans statusIn 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 flowerAccording to local conditions, you can use the home wok to fry coffee beans, but also can fry fresh and delicious coffee. Operation: 1. Spread a layer of raw beans at the bottom of the pot, turn on a small fire in the gas stove (the smallest fire is fully lit, not just the middle circle), and begin to slowly stir the raw beans in the pot. two。 It's a little tiring to keep turning the spatula. But... Have you noticed? The emerald green raw beans have just begun.
2014-11-05 Coffee knowledge coffee technology coffee roasting iron potThe following describes two kinds of coffee machine brewing method: Paper Drip method (Paper Drip) 1. First put the prepared filter paper into the drip, and then put the ground coffee powder into (1 person about 2 spoons, about 12 grams) 2. The boiled water 95℃ gently poured from the center, slowly in a rotating way to let the coffee powder and boiling water completely penetrate, spread, at this time the coffee powder began to expand and
2015-08-06 coffee machine brewing method introduction 2 kinds brewing methodMost people think that baking is nothing, just frying the raw beans with fire. In fact, in the process of coffee processing, roasting is the most difficult step, it is a kind of science, but also an art, so in Europe and the United States, experienced roasters enjoy a highly respected status. Baking can be divided into the following three stages
2014-07-15 Coffee knowledge coffee roasting coffee encyclopedia< 1 > filter drop method (Paper Drip) 1. First put the prepared filter into the drip, then put the ground coffee powder into (about 2 tablespoons per person, about 12 grams) 2. Pour 95 ℃ of boiled water gently from the center and let the coffee powder and boiling water permeate and spread in a whirling way. at this time, the coffee powder begins to expand and slowly sink, waiting for 25 seconds before preparation.
2014-12-04 Boutique coffee basics common sense detailed explanation coffee machine cooking method filter dripping PaI think a coffee making principle or rule that can stand up can be applied to all methods of making coffee, such as hand flushing, siphon, and even Italian can be used and produced well. If only a certain part of the coffee beans or equipment works well, it is a conclusion that there is a flaw or there is room for improvement, or it is still unfinished.
2016-04-20 extraction law hand brew coffee principle information taken think oneWhen it comes to companionship, the layman always thinks it is difficult. But as long as you can really grasp a few key points, it will be very difficult not to return. At the beginning, you may not be able to stir-fry well, but after you are proficient, you can skillfully add or subtract Chengdu according to your own preferences. Here will introduce to you the manual method of using hand filter: 1. Buy a filter with a handle. The best choice of raw coffee beans is Central and South American.
2014-12-09 Boutique coffee beans baking common sense manual lifting layman totalAccording to local conditions, you can use the home wok to fry coffee beans, but also can fry fresh and delicious coffee. Prepare to pour the raw coffee beans into the pan and stir continuously to turn off the heat to complete the operation: 1. Spread a layer of raw beans at the bottom of the pot, turn on a small fire in the gas stove (the smallest fire is fully lit, not just the middle circle), and begin to slowly stir the raw beans in the pot. two。 You have to keep turning the spatula, a little bit.
2015-05-29 Boutique coffee iron pot oneself coffee beans processCoffee 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 encyclopediaIn 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.
2015-12-23 Boutique coffee common sense pull flowers latest introduction about coffee flowers originKenyan coffee is mostly grown at an altitude of 1500m, 2100m, and is harvested twice a year. To ensure that only ripe berries are picked, people must tour the forest about seven times. Kenyan coffee is grown by small farmers. After they harvest the coffee, they first send the fresh coffee beans to the cooperative cleaning station, where the washed and dried coffee is covered with parchment beans.
2016-08-04 Taste still thick Kenya coffee flavor manor producing area characteristics introductionCoffee 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 encyclopediaI get no other benefits from my hard study, but I find myself more and more ignorant, and every cup of coffee is waiting for someone who is looking for it. Early morning, is the beginning of life, is the beginning of a cup of coffee, for coffee workers, just do repetitive things. After a taste correction, it is a contest with yourself in the heart, is in sharpening and spiritual practice, you see and
2015-09-06 Coffee a kind life art a cup waiting one looking for it mineSummary: Cairo, the capital of Egypt, across the Nile, majestic and spectacular, is the political, economic and commercial center of the entire Middle East. Taste, a strong smell of coffee mixed with some spices can not help but sigh, here is the taste of Cairo. Summary of Western-style Cafe for Foreign use: authentic Cafe Life in Cairo
2014-05-29 Mother of the city authentic life coffee cultureAccording to local conditions, you can use the home wok to fry coffee beans, but also can fry fresh and delicious coffee. Operation: 1. Spread a layer of raw beans at the bottom of the pot, turn on a small fire in the gas stove (the smallest fire is fully lit, not just the middle circle), and begin to slowly stir the raw beans in the pot. two。 It's a little tiring to keep turning the spatula. But... Have you noticed? The emerald green raw beans have just begun.
2014-12-20 Boutique coffee baking common sense home iron pot coffee beans according to local conditions can