How long is the growing period of coffee beans? why do you want to raise beans? baking coffee is the right way to raise beans.

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Coffee fans who often choose freshly roasted coffee beans in front of the street know that the best taste period for coffee beans is within a month, while that for hanging-ear coffee is half a month. Does this mean that freshly roasted coffee beans are the freshest? Of course, this is wrong, because after the coffee beans are roasted and baked, there is a process called "raising beans". Then the next article on Qianjie Coffee will popularize the relevant knowledge of growing beans.

What is raising beans?

Coffee fans know that coffee is to taste its aroma and flavor, the longer the coffee beans, the more aroma loss, so coffee beans are not easy to keep for too long, will affect its flavor. The taste period of hanging-ear coffee is shorter because it is already in the state of coffee powder, and the area of contact with the air is much larger than that of coffee beans, so the taste period is half less than that of coffee beans.

The bean cultivation in Qianjie Coffee here refers to the process of releasing the gas after roasting raw coffee beans. Because about 2% of the weight of coffee beans that have just been roasted by fire is carbon dioxide, and this large amount of carbon dioxide emits carbon dioxide with the storage environment, equipment, or method, making the pressure in the package higher than an atmospheric pressure. the pressure helps to integrate the aromatic substances with the oil, making all the aromatic substances inside the coffee beans easy to extract. So raising beans is the process of emitting carbon dioxide.

Qianjie coffee usually begins to exhaust 3 hours after the coffee beans are roasted, because the coffee beans that do not release any carbon dioxide will taste very unstable after brewing.

Qianjie Coffee once used freshly roasted coffee beans for brewing experiments, and found that whether it was used as hand-brewed coffee or Italian coffee, it was very sharp and exciting in flavor and taste, with over-extracted bitterness and obvious acidity. There is no interpretation of the original good flavor of coffee, so there is the emergence of "bean cultivation".

Why raise beans?

As mentioned above in Qianjie Coffee, even roasted coffee beans can only be drunk after a period of time, because the coffee beans are oxidized every day until their aroma is gone. This is why coffee beans in Qianjie coffee shops are bound to be discarded before they are used up after two weeks.

And the importance of raising beans is to emit carbon dioxide, because the coffee beans that are undernourished will have a strong "dryness", that is, the smell of smoke left after coffee beans are roasted at high temperature, and this bad taste must be removed after a period of carbon dioxide emissions, so the flavor of coffee beans after a few days of refined cultivation will be cleaner than those on the street without beans. Can perfectly interpret the unique good smell of coffee beans.

But here Qianjie coffee should be reminded that the time of growing beans is not easy to be too long, and it cannot be too short, because if the time is too short, the flavor of coffee will be incomplete and not easy to brew, which is not a good baking; if it is kept for too long, from a fresh point of view, it will certainly affect the maintenance of freshness, resulting in shortening the appreciation period of coffee beans. How long does it take to grow beans?

So how to correctly operate the process of raising beans? Generally speaking, coffee beans can emit carbon dioxide even when the bags are sealed, but it will take a little longer, but Qianjie Coffee recommends that the bags of beans should have an one-way exhaust valve as far as possible, and put the unopened coffee beans in a cool, dry, light-proof environment without irritating odor. Seal the one-way exhaust valve after the bean cultivation period (with transparent glue), because the subsequent carbon dioxide will gradually fill the bag to form a hypoxic environment to reduce the oxidation rate. So coffee fans who often choose coffee beans in front street coffee all know that there is an independent one-way exhaust valve on the coffee bean packaging of front street coffee.

However, with regard to the time of growing beans, because the roasting methods of coffee shops or coffee brands are different, the roasting degree of different coffee beans will be different, and the damage to the structure of coffee beans will be different, so there is no standard answer to the time of growing beans. However, Qianjie Coffee believes that the approximate time range of growing beans can be determined according to the degree of roasting of coffee beans.

For example, the deeper the roasting degree, the longer the heating time of raw coffee beans, the more intense the caramelization reaction, and at the same time, because it is subjected to a large amount of hot gas in a short time, causing strong oxidation, so freshly roasted coffee beans will continue to undergo severe oxidation, resulting in large-scale exhaust.

Generally speaking, the time for growing beans in medium and deep roasted coffee is shorter than that in shallow roasting, which is about 3 days. Of course, there is also the saying that you don't have to raise it and rush it directly, because there will be great differences in different methods. Maybe the coffee beans baked by this baker have a higher ripening ratio than others, so you don't have to raise them.

Compared with drip coffee beans, coffee beans used in espresso take longer to grow, usually up to 10 or even 15 days. Because coffee machine extraction of espresso is a kind of pressurized extraction, water is an inert liquid and likes to flow to more loose places, so the resistance caused by too much carbon dioxide can easily hinder the flow of water, resulting in channel effect and uneven extraction. The taste of coffee is naturally not satisfactory.

However, coffee fans who choose coffee beans on the front street need not worry too much about this problem, because the front street coffee gang will calculate the time and provide almost ready beans or beans that have already been raised to coffee fans who need them. So that coffee fans get the coffee beans is the most suitable time to drink.

The above is the relevant knowledge about how to raise beans organized by Qianjie Coffee. I hope it can help coffee fans to know more about coffee beans in order to select the individual coffee beans that best suit their own taste.

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