People like to drink coffee because it releases flavor and aroma when it is brewed. The sources of flavor in coffee are mostly water-soluble, such as caffeine, protein, sugar and so on, while the sources of aroma are mostly insoluble, such as coffee oil. The volatile aroma of coffee oil is found in roasted coffee cells. Some of these oils are insoluble in water and are only used on Espresso machines.
2014-09-16 Coffee knowledge Espresso Coffee EncyclopediaThe perfect espresso has hazelnut foam, close to dark brown, with reddish dots, and may have consistent light stripes. The texture is compact with tiny bubbles. There must be no obvious bubbles, no white spots, and no cracks in the coffee liquid below. The common bad factors of espresso are close to gray: they may be used too much or too little.
2016-01-14 How visually judge a cup Italian espresso coffee whether really will drinkIn addition to its unparalleled aroma, consistency and rhyme, Espresso coffee has one of its biggest features: low caffeine.
2014-05-16 Coffee knowledge Coffee News Espresso CoffeeThe high-pressure and fast brewing method of coffee is called Espresso, that is, Espresso originally refers to a method of brewing coffee, and later the coffee brewed in this way is also called Espresso. A perfect cup of Espresso coffee is made by roasting mixed coffee beans at a depth of 7 grams and 8 grams, ground into a very fine powdered coffee, and properly packed (20Kg)
2014-08-05 How to judge one cup okay Espresso use high pressure fastThe use of high-pressure and rapid coffee brewing method is called Espresso, that is, Espresso originally refers to a coffee brewing method, and later the coffee brewed by this brewing method is also called Espresso. A perfect cup of Espresso coffee is made with 7 grams of 8 grams of deep-roasted blended coffee beans, ground to a very fine powder, and properly pressed (20Kg)
2015-03-24 Italian Espresso Coffee How Judge One Cup GoodThe use of high-pressure and rapid coffee brewing method is called Espresso, that is, Espresso originally refers to a coffee brewing method, and later the coffee brewed by this brewing method is also called Espresso. A perfect cup of Espresso coffee is made with 7 grams of 8 grams of deep-roasted blended coffee beans, ground to a very fine powder, and properly pressed (20Kg)
2014-12-17 boutique coffee how judge cup good Espresso utilizeThe high-pressure and fast brewing method of coffee is called Espresso, that is, Espresso originally refers to a method of brewing coffee, and later the coffee brewed in this way is also called Espresso. A perfect cup of Espresso coffee is made by roasting mixed coffee beans at a depth of 7 grams and 8 grams, ground into a very fine powdered coffee, and properly packed (20Kg)
2014-08-06 Understand how judge one cup okay Espresso use high pressureWhat is Espresso? The high-pressure and fast brewing method of coffee is called Espresso, that is, Espresso originally refers to a method of brewing coffee, and later the coffee brewed in this way is also called Espresso. The way to make a perfect cup of Espresso coffee is to grind the mixed coffee beans with a depth of 7 grams and 8 grams into a very fine powdered coffee.
2014-09-27 Espresso coffee Espresso coffee makingLiterally, espresso means that it is made on the spot after a customer orders, but when it is used in coffee, it changes from an adjective to a noun. It is a chemical and physical product. Professionally made espresso is made of dissolved sugar, caffeine and protein, oily and colloidal emulsions, suspended coffee particles and tiny bubbles. Vision (cheese-like foam or crema stimulates taste buds)
2015-02-16 Italian style Coffee Basics Common sense ESPRESSOThe high-pressure and fast brewing method of coffee is called Espresso, that is, Espresso originally refers to a method of brewing coffee, and later the coffee brewed in this way is also called Espresso. A perfect cup of Espresso coffee is made by roasting mixed coffee beans at a depth of 7 grams and 8 grams, ground into a very fine powdered coffee, and properly packed (20Kg)
2015-01-28 Coffee basics common sense how to judge one cup okay EspressoWhat is Espresso? The use of high-pressure and rapid coffee brewing method is called Espresso, that is, Espresso originally refers to a coffee brewing method, and later the coffee brewed by this brewing method is also called Espresso. A perfect cup of Espresso coffee is made with 7 grams of 8 grams of deep-roasted blend coffee beans, ground to a very fine powder, and then properly ground.
2015-06-11 coffee common sense how judge Espresso good or bad what EspThe use of high-pressure and rapid coffee brewing method is called Espresso, that is, Espresso originally refers to a coffee brewing method, and later the coffee brewed by this brewing method is also called Espresso. A perfect cup of Espresso coffee is made with 7 grams of 8 grams of deep-roasted blended coffee beans, ground to a very fine powder, and properly pressed (20Kg)
2015-05-12 coffee common sense teach you how to judge a cup good EspressoEspresso caffeine content Espresso coffee in addition to unparalleled aroma, consistency and rhyme, it also has one of the biggest features is that caffeine is very low. When some people drink Esprsso coffee for the first time, they have the illusion that such strong and pure coffee must have a high caffeine content. In fact, on the contrary, in all the coffee making methods, the same coffee beans are used.
2014-10-08 Coffee knowledge coffee brewing techniques EspressoEspresso caffeine content Espresso coffee in addition to unparalleled aroma, consistency and rhyme, it also has one of the biggest features is that caffeine is very low. When some people drink Esprsso coffee for the first time, they have the illusion that such strong and pure coffee must have a high caffeine content. In fact, on the contrary, in all the coffee making methods, the same coffee beans are used.
2014-11-21 Coffee knowledge coffee common sense EspressoEspresso caffeine content Espresso coffee in addition to unparalleled aroma, consistency and rhyme, it also has one of the biggest features is that caffeine is very low. When some people drink Esprsso coffee for the first time, they have the illusion that such strong and pure coffee must have a high caffeine content. In fact, on the contrary, in all the coffee making methods, the same coffee beans are used.
2014-12-30 Coffee brewing method how to judge Espresso good or bad EspEspresso caffeine content Espresso coffee in addition to unparalleled aroma, consistency and rhyme, it also has one of the biggest features is that caffeine is very low. When some people drink Esprsso coffee for the first time, they have the illusion that such strong and pure coffee must have a high caffeine content. In fact, on the contrary, in all the coffee-making methods, the same coffee is used.
2015-10-14 How to judge Espresso coffee good or bad one cup how EspTiger spots usually understand that crema is a concentrated surface with some dark brown tiger spots, which Dr Illy adds to his definition of concentration. Tiger spots are tiny fragments of coffee powder that are pushed out of coffee pressed powder during extraction. We usually see the tiger spot first appeared in the edge of the concentrated cup, and gradually distributed to the whole concentration over time.
2016-07-01 Tiger spot crema color darker concentrated coffee how delicious matchThe scientific community has never stopped discussing the chemicals of raw and cooked beans, but even after such a long and costly research, we still have a lot of question marks over many details. According to current predictions, we can find at least a thousand different substances in roasted coffee beans. Unfortunately, we still don't know the exact number, or even the composition.
2016-06-12 Coffee roasting beans importance knowledge scientific community opposite cooked beans chemicalsIs the freshly baked coffee the best? Can we make a good cup of coffee from freshly roasted coffee beans? Our opinion is that it is best to wait more than 6 hours for coffee extracted without pressure apparatus (single coffee of origin) (cup test requires 8-12 hours), while for Espresso coffee it takes more than 5 days. The exhaust effect of coffee beans began only 3 hours after the completion of baking and did not release any.
2016-10-17 Coffee beans roasting astringency bean cultivation importance introductionThe birth time of Espresso is around 1946; and this year is regarded as the official birth year of espresso. Since then, this unique coffee drink has been popular in Italy, Spain, Portugal and other southern European countries. But it wasn't until around 1986 that espresso was introduced around the world by Starbucks. Since then, people in the coffee industry around the world began to know and understand this kind of coffee.
2014-08-21 Italian Coffee -- espresso Comprehensive Learning Esp