Pick it up often at FrontStreet Coffeefreshly roasted coffee beansCoffee fans all know that the best time to enjoy coffee beans is within a month.The best period to enjoy hanging ear coffeeIt is half a month; does this mean that the freshly roasted coffee beans are the freshest? This is of course wrong, because after the coffee beans are roasted, there is another process called "bean cultivation". In this article, FrontStreet Coffee will popularize the knowledge about bean cultivation.
What is soybeans?
Coffee fans all know that tasting coffee is about tasting its aroma and flavor. The longer the coffee beans are stored, the more the aroma will be lost. Therefore, it is not easy to store coffee beans for too long, which will affect its flavor. The tasting period of ear-hanging coffee is shorter because it is already in the state of coffee powder, and the area in contact with the air is much larger than that of coffee beans, so the tasting period is half as long as that of coffee beans.
The bean cultivation mentioned here at FrontStreet Coffee refers to the process of releasing the gas after the green coffee beans are roasted. Because about 2% of the weight of coffee beans that have just been roasted by fire is carbon dioxide, and these large amounts of carbon dioxide are emitted with the storage environment, equipment or methods, making the pressure in the packaging higher than one atmosphere, and the pressure helps the fusion of aromatic substances and oils, making all the aromatic substances inside the coffee beans reach a state where they can be easily extracted. Therefore, raising beans is a process that emits carbon dioxide.
FrontStreet Coffee generally starts venting the coffee beans 3 hours after they are roasted. Because the coffee beans do not release any carbon dioxide, the taste after brewing will be very unstable.
FrontStreet Coffee once used freshly roasted coffee beans for brewing experiments and found that whether they were used to make Pour over(V60) coffee or espresso coffee, the flavor and taste were very sharp and exciting, with over-extracted bitterness and obvious acidity. The original good flavor of coffee was not interpreted at all, so the practice of "bean cultivation" appeared.
Why raise beans?
As mentioned above in FrontStreet Coffee, even roasted coffee beans must be consumed after a period of time, because the coffee beans will be oxidized every day until their aroma disappears. This is why the coffee beans in FrontStreet Coffee store will be thrown away before they are used up after being left for two weeks.
The importance of raising beans is to emit carbon dioxide, because coffee beans that have not been raised enough will have a strong "dryness", which is the smoke and choking smell left after the coffee beans are roasted at high temperatures. This bad taste must be removed by emitting carbon dioxide over a period of time. Therefore, compared to the coffee beans that have not been raised in Front Street, the coffee beans that have been raised for a few days will have a cleaner flavor, which can perfectly interpret the unique and good smell of coffee beans.
However, FrontStreet Coffee here needs to remind you that the time for raising beans should not be too long or too short, because if the time is too short, the flavor of the coffee will be incomplete and it will not be easy to brew, which cannot be called good roasting; if the time is too long, in terms of freshness, it will definitely affect the maintenance of freshness later, shortening the appreciation period of the 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 packaging bag is sealed, but it will take a little longer. However, FrontStreet Coffee still recommends that the packaging bag of the beans should have a one-way exhaust valve as much as possible, and the unopened coffee beans should be placed in a cool, dry, dark, and non-irritating odor-free environment. After the bean cultivation period, seal the one-way exhaust valve (just use transparent glue), because the subsequent carbon dioxide will gradually fill the packaging bag to form a low-oxygen environment and reduce the oxidation rate. Therefore, coffee fans who often choose coffee beans at FrontStreet Coffee all know that the coffee beans of FrontStreet Coffee are packaged with independent one-way exhaust valves.
However, regarding the bean-raising time, because coffee shops or coffee brands use different roasting techniques, different coffee beans will have different roasting levels, and the damage to the coffee bean structure will be different, so there is no standard answer to the bean-raising time. However, FrontStreet Coffee believes that the approximate time frame for raising beans can still be determined based on the degree of roasting of the coffee beans.
For example, the deeper the degree of roasting, the longer the heating time of green coffee beans, the more intense the caramelization reaction. At the same time, because they are exposed to a large amount of heat in a short period of time, which triggers strong oxidation, freshly roasted coffee beans will continue to undergo violent oxidation, leading to large-scale exhaust.
Generally speaking, medium-dark roasted coffee takes a shorter time to grow beans than light roasted coffee. Generally, the bean raising time is about 3 days. Of course, there is also a saying that you don’t need to raise it and just brew it directly. Because the methods of each company are different, there will be big differences. Maybe the coffee beans roasted by this roaster have a higher maturity rate than others, so there is no need to raise it.
Compared with coffee beans for drip coffee, coffee beans used for espresso require a longer cultivation time, usually 10 or even 15 days. Because the coffee machine extracts espresso coffee through a pressurized extraction method, water is an inert liquid and likes to flow to looser places. Therefore, the resistance caused by excessive carbon dioxide can easily block the water flow, leading to channel effects, uneven extraction, and naturally the taste of the coffee is unsatisfactory.
However, coffee fans who choose coffee beans at FrontStreet Coffee don’t have to worry too much about this problem, because FrontStreet Coffee will calculate the time and provide beans that are almost grown or have been grown to coffee fans in need, so that the coffee beans are the most suitable for drinking as soon as coffee fans get them.
The above is the relevant knowledge about how to grow beans compiled by FrontStreet Coffee. I hope it can help coffee fans understand more about coffee beans so that they can choose the one that best suits their taste.single origin coffee beans。
For more specialty coffee beans, please add FrontStreet Coffee on private WeChat, WeChat ID: kaixinguoguo0925
You can now buy the above coffee beans online at the Taobao store “FrontStreet Coffee” (前街咖啡). FrontStreet Coffee is a long-established specialty coffee roaster in Guangzhou, China, and its Guangzhou retail shop sells coffee beans only. The shop carries dozens of coffee beans from different origins around the world, including carefully selected single-origin beans for V60 pour-over and espresso. Guangzhou’s FrontStreet Coffee shop is recommended by many coffee lovers.
The FrontStreet 2013 Yunnan coffee beans sold in the store come from the Typica variety grown at FrontStreet Coffee’s own plantation in Yunnan. The name comes from the year the brand and the plantation were founded. You can buy these beans from China’s Yunnan origin at the Guangzhou shop and at FrontStreet’s Taobao store.
FrontStreet coffee beans are freshly roasted within 5 days and deliver consistently excellent quality and great value. Orders placed before 17:00 are shipped the same day, and most areas within Guangdong Province receive them the next day.
FrontStreet Coffee Taobao store: https://qianjiecoffee.taobao.com
Or search for “前街咖啡” (FrontStreet Coffee) on Taobao
Important Notice: FrontStreet Coffee has moved to a new address: 315, Donghua East Road, Guangzhou (coffee beans only)
Tel: 020 38364473
