What Is Coffee Degassing?
Many coffee beginners have heard of the need degassing, and the storage needs to be carried in a one-way air valve bag or a one-way air valve tank. These steps do make coffee beans flavor better. Because of factors and the nature of coffee beans produced in different countries and estates, It's not the same way, it's not the same time, This article will show you what it means to get out of the air.
Carbon Dioxide - Coffee Bean Breathing
Taking pour-over coffee as an example, when hot water is added to steaming, carbon dioxide is released in large quantities, creating a feeling like coffee beans are 'breathing', and is the criterion for many to judge whether a cup of pour-over coffee is' fresh enough '; Espresso's Crema is also covered in fine foam. So when new enough coffee beans are boiled, there's a beautiful layer of Crema, When you drink Espresso again, you can look at the freshness of the coffee cooked by the store. Crimson, ochre-colored Crema means coffee is still very fresh. Golden, though beautiful, is not so fresh.
As a coffee lover, you probably drink coffee every day, but do you know what coffee is? I mean what is the definition of coffee?
The fresher the coffee, the more carbon dioxide, but if you want to go to the coffee shop in two or three days to make up for it, Perhaps less practical and troublesome, coffee beans are a very noble product, Easily affected by humidity, oxygen, light sources, or thermal temperatures. The best way to save him is in a cool, dry place, It is hardest to eliminate air, not to mention the humidity of Taiwan's air.
Unidirectional Permeable Valve - A Good Partner for Prolonging the Preservation of Coffee and De
It would be great if you could just let the air out!
Yes, unidirectional breathable valves achieve this effect. Coffee bean bags/cans with unidirectional breathable valves sink the carbon dioxide released from the beans, thereby extruding lighter oxygen and nitrogen into the bags/cans. Just as cut apples turn yellow when they hit oxygen and coffee beans start to change qualitatively when they hit oxygen, one-way breathable valve packaging is the right choice.
You can find some videos about coffee on Vimeo.
Nitrogen Filling
Many food packages are filled with nitrogen gas, which can prevent food contact with oxygen and prolong their use; Coffee beans can also be sold at Illy, using a nitrogen-filled package to extend the duration of the beans.
The Way To Get Out Of The Air
Roasting - The Essential Process of Coffee Beans
Roasting is divided into extremely shallow, shallow, medium, medium, deep, and so on. Depending on the plantation of coffee beans, the country will have different ways of handling them, And that depends on professional bakers and experience, There are also different practices in the straight fire, semi-straight fire, or hot wind. The topic of baking beans is too big, and the discussion may take up the entire length of the article and follow it up.
What kind of coffee do you like? Do you know something about Nicaraguan coffee?
Degassing Time
Some coffee players start their studies thinking that the beans that were baked yesterday will be ready for the latest fresh flavor by boiling them today. So when you cook, you find that the taste is not as good as you think, and even wondering if there's a problem with your technology, It wasn't until two weeks of trying it out that it became better. But that batch of coffee beans also bottomed out, which represents the time when the beans were not gassed. It's a small mistake many novices can make. But have not experienced mistakes, how to try to know what is better flavor?
Coffee beans, like living people, cause cell oxidation by inhaling oxygen. It is also a process of getting older, and the coffee that has just been roasted is too immature. did not reach the most mature stage, like a man, It takes years to grow to make you more mature. What you need is to give the coffee beans some time.
As a coffee lover, you must have purchased coffee beans. Do you know what is the effect of the hole in the coffee bag?
Why would this happen? Because of the roasted coffee beans, the flavor composition has been broadly determined, Many people blame coffee beans for their deterioration on the fact that they change every day. But as mentioned earlier, everything is slightly deteriorated by oxidation. Affect taste, maybe not so delicate on Apple. But coffee can clearly feel the change in taste. The freshly baked coffee beans release a lot of aroma factors and carbon dioxide. Baking through coffee beans exploded to release small holes, When it comes to grinding, let the carbon dioxide run out, And in the process of cooking, instead of the powder and water contact, resulting in insufficient taste extraction and thinning of the gas layer that pushes carbon dioxide back in time. Coffee also tastes more and more when the area of exposure increases, So many people do not call deflation, but a process of deflation and exhaust.
Get More Resources: Coffee Corner - GitLab
Past The Best Taste Period
You will have a question: Then I put all the CO2 not seen, will not be very fragrant?
Don't forget that, over time, the aromatic factor is losing. By the time you put it in, the coffee may only be bitter. All the sweet and sour that should have been released by you, According to the degree of baking or the store's advice is the better choice. It is also recommended that the lower coffee beans can also be ventilated to the top by shaking during the degassing process.
As soon as the beans were roasted, he began counting down his taste period, and after a deaerating period, he drank for about two weeks, like a coffee hunter's service. The best taste period may cause coffee beans out of the oil condition, which is actually normal, but is also a small warning, is that the flavor of coffee beans already has to speed downhill, reminds you to need to quickly finish cooking, and will not waste delicious coffee beans!
Do you know Peaberry Coffee? How much do you know about Peaberry Coffee?
Time for General Gas Removal - How to Distinguish by Degree of Baking
There is no specific timetable for de-gas, based on experience or advice from bakers.
The very shallow baking degassing time is recommended at 14 days; Shallow baking in 10 days; Medium baking in 7 days; Medium-deep baking takes 4 to 5 days, as is the usual recommended removal time. Because steaming on a single coffee is enough to wake up. If it's Espresso beans, it usually takes 21 days to get out of the air. But coffee beans for business use don't have so much time to raise, So it accelerates air removal in contact with the air, allowing the beans to reach the smooth stage. If boiled too early, it may cause an unsatisfactory mouth and throat.
You can find some discussions about coffee in the community.
The Conclusion
Degassing is a necessary process. Coffee beans are very knowledgeable. It's not easy to have a good cup of coffee. Grasp the baking of gas removal, the purchase of utensils, and most important bean grinding. can make a good cup of coffee at home, I hope you like this article, if you want to buy coffee beans, We coffee hunters offer different beans every two weeks, go to the official website home page to learn more!
As a coffee lover, you can discuss and share any coffee topics online with other coffee lovers.