How to preserve boutique coffee beans? What are the correct ways and techniques to preserve coffee beans?

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To be able to taste a cup of high-quality coffee, every step is very important. Qianjie coffee often mentions the freshness of coffee beans. In fact, this is related to its preservation method. Chinese people pay attention to freshness in their mouths, and so is coffee. Freshly ground coffee can better reduce the loss of flavor. In addition, fresh roasting is also an important "freshness" of coffee. But there is a word called "things go to the extreme". Coffee beans that have been kept for a long time are not good, and so are those that are too fresh. At this time, we have to raise the beans, that is, quietly wait for the coffee beans to release carbon dioxide in the packaging for a few days. After choosing the high-quality coffee beans, what should we do next to preserve the coffee beans?

Buy the right amount of coffee beans every time

The best way to taste the best flavor of coffee is to buy fresh beans and store them for about one to two weeks according to your usage habits. And you may notice that if the coffee beans are not properly preserved, you can feel the change in flavor during brewing, but if you properly preserve the coffee beans, you can extend the time when you have a good flavor of coffee.

There is no change in the appearance of coffee beans when they age, but the aroma of coffee beans, like their flavor, fades away over time. In the past, deep-roasted coffee beans seemed to last for a long time because most of the flavor came from the baking process, which is one of the reasons why deep-roasted beans for business use usually do not list the baking date.

Coffee beans should be preserved in this way

1. Put it in a sealed container:

The best way to maintain the freshness and flavor of coffee beans is to store them in an airtight container away from moisture, light, oxygen and high temperature.

two。 Choose a package with an one-way breather valve:

Oxygen is the main culprit of coffee bean deterioration, which is one of the principles that must be considered when selecting and evaluating all kinds of coffee bean storage products. Some people choose to poke a small hole in the bag of coffee beans, which is better than completely sealed, but the amount and speed of oxygen overflow is limited, and the hole is a two-way pipe, and the oxygen from the outside will run into the bag. Reducing the air content in the package is certainly an option, but only an one-way breather valve can reduce the oxygen content in the coffee bean bag.

In addition, I would like to remind that the packaging of a good one-way breathable valve must be sealed in order to be effective, otherwise oxygen can still enter the bag. Before sealing, you can gently squeeze out the air volume to reduce the gas space in the bag and have less oxygen to touch the coffee beans.

Save the coffee beans. Don't do this.

1. Put the coffee beans in the refrigerator:

You may have heard some other words, such as storing coffee beans in cold storage or freezer for extended preservation. We do not recommend it (unless the coffee beans are vacuum sealed for longer-term preservation). If there is a real need for long-term preservation, it is best to separate the coffee for each brew, freeze it in a smell-free environment below minus 10 degrees Celsius, and thaw one at a time. And completely warm up before use. Coffee beans that have been thawed should not be re-frozen, which will destroy the flavor factor. Special attention should be paid here that when the coffee is cooled and then warmed up, it will produce condensation and cause a small amount of coffee substance to dissolve in the water. In addition to the damage caused by humidity, coffee beans stored in freezers or freezers will also absorb the aroma and flavor of other foods in the refrigerator.

two。 Coffee beans are ground and drunk.

For convenience, some people will first grind the coffee beans into powder for easy access, but after the coffee beans are ground, the aroma will quickly dissipate into the air, greatly reducing the aroma of brewed coffee. The golden survival time of standard coffee powder is only a few minutes. It is recommended to brew and extract immediately after grinding the powder, otherwise it will be preserved in the form of coffee beans. Grinding and soaking is the best way to enjoy a good cup of coffee. Unless there is a good nitrogen environment such as flushing nitrogen earbags that can exclude most of the oxygen, it can effectively inhibit oxidation or the loss of flavor.

Qianjie Coffee has many different views on the storage of coffee, especially coffee beans. Generally speaking, it is generally believed that the ideal way to maintain the freshness of coffee beans is to buy them multiple times, buy a small amount of fresh coffee beans each time, and finish them in a short period of time.

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