What do you mean by raising coffee beans? how to raise a novice needs to know how to raise coffee beans in the right way to improve the flavor.

Many people go to Qianjie stores to buy coffee beans, and after selecting coffee beans, they will ask Qianjie about the specific baking date, indicating that people have certain requirements for the freshness of coffee beans. But Qianjie should remind you that coffee beans are not as fresh as possible. This article gives you a little knowledge about coffee and beans.

What does "raise beans" mean?

Usually we buy packaged coffee beans, which are cooked beans roasted at high temperature. Roasting makes the coffee beans expand and produce a lot of carbon dioxide gas trapped inside the beans. Freshly baked coffee beans will have a roasted aroma, the internal gas is very exuberant, if at this time, hot water is injected into the coffee powder, the coffee does not exhaust gas during steaming, affecting the subsequent flavor extraction. In the latter stage of extraction, if the powder layer is still bubbling and exhausting, it is likely to form a disturbing flow, resulting in uneven extraction, and finally affect the flavor performance of coffee.

So roasted coffee beans need to be placed for a period of time so that most of the gas can be released slowly, and with the emission of 60-70% of the gas, the flavor of the coffee will gradually approach the peak, which is what we often call the "best taste period." after that, the flavor decreases with the slow exhaust.

How long does it take to grow beans?

Exhaust is a continuous process, if the coffee beans will exhaust all the internal gas, it means that the coffee beans are no longer fresh, and the aroma is almost absent. So how can we grasp the best time to raise beans?

You know, the deeper the baking, the longer the heating time, the more carbon dioxide in the coffee beans, so the longer it takes to exhaust. Especially after the second explosion of deep-roasted coffee beans, the largest degree of expansion, beans accumulated a large amount of carbon dioxide gas. So when we store deep-roasted coffee beans, with the increase of time, the gas will hold up the outer packaging until it bulges, indicating that the coffee beans are continuously exhausting.

For coffee beans sold in the former street, for example, before buying medium-and light-roasted coffee beans, people will be advised to keep them for 4-7 days, while medium-deep roasted coffee beans will take about 7-10 days to reach the stage of flavor stability.

Can I brew coffee beans that are not "well raised"?

After the coffee beans have been roasted at a high temperature, there is still a smoke smell inside. If the coffee beans are not "well-fed", there will be obvious exhaust in the extraction stage, and the coffee is easy to have a green, dry feeling, no prominent flavor, and a vague and opaque taste. So Qianjie thinks that it is very necessary to raise beans, so what if you really can't help but want to taste the coffee in advance?

Here are two tricks in the front street. Stewing is the most important exhaust stage in the brewing process. We can prolong the steaming process to release more carbon dioxide. For example, in general, our water injection process is a stewing time of 30 seconds, which can be extended by 10 seconds, that is, 40 seconds to start injecting the second section of hot water. In addition, we can grind it into powder and put it in the air for 1-2 minutes before brewing. Grinding increases the contact area between coffee and air, so that the gas can be discharged more fully. It should be noted that not only carbon dioxide is volatilized, but also small molecular gases that affect the flavor of coffee, so this is why coffee needs to be brewed and drunk as soon as possible after grinding.

How to raise beans?

Qianjie said so much, in fact, the coffee beans do not need to do too much, do not need to open bags to put sealed cans, and do not need to put refrigerated. As long as the original package is placed in a cool and dry place, an one-way exhaust valve will be installed on the coffee bag. when the coffee beans emit gas, the bag will be bulged. The function of the exhaust valve is to prevent the coffee bag from breaking and maintain the pressure balance between the inside and the outside. Then you can open the seal and taste it after the suggested bean growing period. In order to ensure the freshness of the coffee beans, the coffee beans shipped in front of the street are freshly roasted within 5 days and can usually be received in 1-3 days, so that everyone can start to delve into how to extract the coffee beans within the best taste period.

In addition, Qianjie does not recommend that you squeeze the coffee bag without opening it. Because when the gas in the coffee bag is saturated, it will inhibit the speed of the coffee bean emission, so the whole exhaust process will be slower, which will help to prolong the taste period. After artificially squeezing out the gas inside, due to the difference between the pressure in the bag and the outside world, coffee beans will accelerate the removal of gas to fill the space. When we squeeze the coffee bag to smell the coffee aroma, in fact, it is the loss of flavor substances of coffee beans.

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