Coffee Knowledge
Latest articles, industry insights and brewing guides
The kind of coffee
When tasting a single cup of coffee, you will see some information about the variety in addition to the country, region and geographical and climatic conditions. Such as Arabica, Robusta, Bourbon and so on.
Baking: Ninety-Plus Ethiopia Tchembe Natural
Baking: Ninety-Plus Ethiopia Tchembe Natural
Roasting and roasting degree of coffee beans
Roasting causes coffee to produce coffee oil, which gives coffee a strong aroma. The most outstanding feature of this fragrance is that it is volatile and soluble in water. Therefore, people can not only smell the mellow smell of coffee beans, but also pour it into the cup and taste it carefully. Coffee is roasted to the following degrees: light roasting, light fragrance and high acidity is one of it.
Introduction to coffee roasting: hand-net roasting
Friends who bake coffee at home use hand nets, and there are also sporadic people who use pans. It is said that the mobile network is going to buy in Japan, and they are all asking me about the baking curve. With all due respect, this kind of equipment is not a baking curve in a strict sense.
Coffee oil and freshness
Oil and freshness: Freshly baked light-baked beans should be dry and oil-free in appearance, and freshly-baked deep-baked beans should be oily in surface.
Deep roasted beans for coffee Note: caffeine is higher than light roasted beans
It is important to recognize that dark roasted beans have higher caffeine than light roasted beans because they have a higher dehydration loss rate and must be brewed with more coffee beans, resulting in more caffeine.
Coffee bean cinnamon, the whole city, three baking stages of French style
The roasting of coffee beans can be divided into three stages: cinnamon roasting, city-wide baking and French roasting.
Roast Colombia's top emerald coffee beans
Although this top emerald coffee is positioned higher than the SUPREMO, the raw beans vary in size, making it difficult to bake and stopped baking at the start of the second explosion.
Baking Tanzania Lubu AAA (Tanzania RUVUMA AAA)
The raw beans of Lubu AAA in Tanzania are very good, neat in size, and only 2 defective beans are selected in 100g. The baking stopped at the beginning of the second explosion, and when the beans were ground, the dry aroma came slowly in the face.
Bake Gatia, Rwanda (Rwanda GATARE WASHING STATION)
The baking ends before the first explosion is completely over and the second explosion has not yet begun. Judging from the baking results, this bean belongs to high-altitude hard beans, which may require a little more firepower when baking.
Baking PB (Congo KIVU LAKE PEABERRY) in Lake Guibu, Congo
The PB raw beans in the Lake Guibu region of the Republic of Congo look good, but they can't stand careful selection. 48 defective beans are selected out of 100g raw beans.
Baking 19 mesh Mantenin Indonesia Sumatra Mandheling in Sumatra
Indonesian Sumatra 19-mesh Mantenin raw beans look much better than ordinary mantenin, with a slight sweet and sour taste, "herbal" taste, good mellow thickness and purity.
Coffee beans roasting stage table
Light baking is rarely used and is generally used only for testing. Cinnamon roasting is widely used in some canned coffees. "Deep roasting is a process in which coffee goes to the end and gradually carbonizes.
Several acids in roasted coffee
For coffee drinkers, coffee should not be thought to be alkaline because it contains caffeine (alkaloids), nor should it be thought to be acidic because it contains a lot of acid. It is believed that coffee is neutral after being metabolized by the human body.
Coffee roasting utensils and roasting degree
The coffee raw bean itself does not have any special taste, it is roasted to completely change and reorganize the substances inside the raw bean to form a new structure, thus bringing out the mellow flavor of the coffee.
Coffee deep roasting and light roasting
Deep roasting and light roasting is simple, coffee beans are called deep roasting after the second burst, and before the first explosion is dense to the second burst, it is called light roasting to medium-deep roasting, and the color is closer to black with the deeper the roasting.
Roasting determines the taste of coffee
Generally speaking, each coffee cherry contains two raw beans, and the fragrance is still hidden, waiting to be discovered. In raw beans, it contains a lot of chloric acid. As the baking process, chloric acid will gradually disappear, releasing familiar and pleasant fruit acid-such as acetic acid, citric acid, malic acid in wine. Baking is just right, it can present these beautiful sour taste moderately; on the contrary,
The tendency of coffee roasting in countries around the world
Coffee in the world has its unique baking tendency, creating a unique color, aroma and taste of coffee. Roasting turns the light green raw coffee beans into the familiar brown coffee beans. In Tokyo, micro-deep medium baking is more popular, but slowly it also tends to deep baking. As for Kansai, deep baking has been popular in the past. New York, as its name suggests, is generally biased.
Roasting effect of 20 kinds of coffee beans in ICOFFEE N901CR
The maximum baking capacity of Apollo is 150g, and it is recommended that 60% of the roasting capacity should be 80% of the roasting capacity, which is also suitable for household roasters and professional roasters, because the size and density of raw beans from different areas are different. For example, it is no problem to bake 150g of Yega Xuefei.
Roasting effect of 20 kinds of coffee beans in ICOFFEE N901CR
The maximum baking capacity of Apollo is 150g, and it is recommended that 60% of the roasting capacity should be 80% of the roasting capacity, which is also suitable for household roasters and professional roasters, because the size and density of raw beans from different areas are different. For example, it is no problem to bake 150g of Yega Xuefei.