The stage of production and processing of clean coffee is the most standard

Perhaps those who usually sip a cup of coffee each session will probably understand what is clean coffee. How to produce a clean, standard coffee and production process like? If you are a fan of this drink, please read the following article to find the right coffee flavor for you. Clean coffee is simply understood as 100% pure coffee, not mixed with anything else. In this article, we only talk about the important stages in the process of producing and processing clean coffee from the selection of green coffee without specific analysis into the cultivation, tending, and harvesting process. , preprocessing.
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"Hand-picking" to remove unqualified coffee beans, which is a strict requirement from some roasters.
Coffee is processed by two basic methods: dry processing and wet processing. Although grading sizes according to floor are the same but other standards, wet processed coffee is much higher.
The sorting process of coffee beans helps to remove black beans, imperfections, and non-standard termite seeds. Choosing the right kind of ripe seeds, good color and uniform size will increase the quality of coffee products.
When roasted coffee beans, they have many sizes, many different types so the economic value accordingly. People classify coffee by size based on factors such as floor size, percentage of formation, percentage of broken black beans and percentage of impurities, moisture ...
For example: Coffee 18 has a grain size of 7.2mm, Coffee Floor 16 has a grain size of 6.3mm and Coffee Floor 13 has a grain size of 5mm ... The highest wet processing is usually 0.2% and that of dry processed coffee is 2%.
2. The stage of roasting coffee
A good roasting machine plays a decisive role in the taste of coffee. Besides, there should be good roasters
In the process of producing clean coffee, the most important roasting process, it is decisive to the quality of the finished coffee. Under the influence of temperature, chemical reactions take place and form characteristic flavors and colors. When roasting coffee properly, when using a coffee grinder to make puree, the delicious new standard.
After roasting, the mechanical strength decreases, the brittleness increases. Then under the influence of mechanical force will help the grinding process of coffee beans easily broken.
3. Transforming coffee ingredients during roasting
Caramel reaction and Melanoidin reaction form brownish black outside, reddish brown inside coffee beans.
And the aroma of coffee is formed by the reaction Melanoidin creating aromatic aldehydes complex, quinic acid decomposition reaction to create hydroquinone aroma, pyrogallol, phenol, cafechol, ethyl cafechol ...
The taste of coffee is also formed from acidic acids such as citric acid, malic acid, lactic acid, pyruvic acid, acetic acid. The bitter taste of coffee is made up of caffeine and the product of the Caramel and Melanoidin reactions.
4. The process of cooling coffee
Fast cooling time (QT standard is 2 minutes) will retain the flavor in coffee beans.
During roasting, it has a high temperature, causing the newly created aroma compounds to continue to evaporate, causing loss of flavor. Therefore, to feel the aroma of pure coffee, avoid aroma loss, the roasted coffee must be cooled as quickly as possible.
Changes in coffee cooling process
During the cooling of coffee, the aroma compounds formed continue to evaporate. On the other hand, due to the high temperature, the chemical reactions in the seeds continue to occur and especially the Caramel reaction and the Maillard reaction. So the coffee bean color becomes darker now. The faster it cools, the less the loss of incense will result in a clearer aroma of the coffee.
At first glance, this stage is not too important, but for a professional coffee roaster, they will take this stage very seriously. This is an artistic process to create the most special coffee cup, from smelling the aroma to looking at the chilled coffee beans, giving them an indescribable feeling that only people in the industry can feel. receive.
5. The stage of grinding coffee beans
Depending on the brewing method, coffee is ground in different sizes
Using a coffee grinder to make a puree is the final stage. The process of grinding roasted coffee beans has the main purpose of reducing the size of coffee beans and disrupting the inherent structure of roasted coffee beans in order to create favorable conditions for the preparation process when needed. At the same time, enabling some gases to escape during roasting out.
Use a coffee grinder to be selective, because grinding coffee beans is also important. It directly affects the quality of the finished coffee cup. If your coffee grinder is not good, the coffee beans are blended irregularly, affecting the preparation of coffee will face many difficulties as quality is not guaranteed.
Criteria of coffee grinding is that the coffee beans must be ground finely and evenly, generating heat at a minimum. Technically speaking, the technology cuts coffee beans into equal parts. Therefore, choosing a quality coffee grinder is essential. This also explains why there are coffee grinders that cost up to several thousand dollars in professional cafes.
High-end espresso machine will produce the best coffee

Using an espresso machine will bring you a great cup of coffee. Through the process of grinding coffee, the CO2, steam and volatiles will be released. The degree of ventilation depends on the size of the coffee bean after grinding. In the process of grinding reduces the aroma of coffee due to some substances being lost, so we need to use as soon as the coffee is ground to ensure the best quality. If not used, it should be stored in a sealed bag and avoid contact with air.
To have a clean cup of coffee (pure coffee) is not easy at all. Only the people in the profession can create finished products that meet the above criteria. Through the sharing on clean coffee, whether the cup of coffee you enjoy every day is guaranteed to be pure coffee, you have felt the true taste of the gift that the Creator bestowed?
These are just the basic sharing about clean coffee production and processing, in fact, roasting and grinding coffee in the world are much more complicated. For each different type of coffee you will have different ways of roasting and handling after roasting is also different. Or with each different type of coffee preparation, you also have to roast, grind coffee according to different profiles (an easy example is that roasting, grinding coffee to make coffee will be different from roasting, grinding coffee coffee to brew).
More delicious with 1 cup of pure coffee every day, you will find this life more wonderful!

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