I'll tell you a good way to keep your coffee.
In the past two weeks, the weather has been very humid. It is usually like this before and after Ching Ming Festival in the third or fourth month of the lunar calendar, commonly known as "going back to the south." the old man's rheumatism broke out again. Many friends who like to drink coffee will worry about how to store coffee in this weather so as not to spoil the taste of the coffee.
Many people have a misconception that storing coffee in the refrigerator is the best way to preserve it. In fact, it is reasonable. But please think about it carefully. Every time you take the coffee out of the refrigerator and put it back after use, during the process of getting out and entering the refrigerator, the coffee will be affected by different hot and cold temperatures and be damp. It may have been a good preservation method, but it has become a bad method because of improper operation. If you really want to put the coffee in the refrigerator, it is best to divide the coffee into small parts one by one and boil it with a bag every time you drink it, so that the coffee can preserve its freshness.
After roasting, coffee beans produce an oxidation process that automatically releases carbon dioxide. A good coffee roaster will put the freshly roasted coffee beans in a marijuana bag and "bake" them in real time for 12-24 hours to inflate the heart of the coffee to release the sesame oil of the coffee, then put it in a sealed storage tank and pack it for sale. Generally put in the supermarket packaging will use "vacuum" method, into the "nitrogen", as well as the use of "one-way breathable valve" and other ways to save.
In general, the shelf life of coffee beans can be one year, while coffee powder may be 6-9 months, and after drinking, the storage time will be relatively short, but it also depends on the storage mode.
As the name implies, "vacuum" means that the gas in the package is extracted by a vacuum machine, so that the residual carbon dioxide and air cannot be left, but some coffee aroma will be removed at the same time. The method of "vacuum" can preserve the taste of coffee as much as possible, and it will be preserved for a long time. Entering the "nitrogen" is to blow away the air in the coffee, by using the nitrogen to surround the aroma of the coffee beans to preserve the original flavor. The "one-way breathable valve" releases carbon dioxide from the coffee bag and prevents air or other gases from entering the bag from the outer layer, thus affecting the taste of the coffee.
The best way to preserve the coffee is to put the original bagged coffee in some sealed fresh bags and into a sealed bottle with a tight lid. just put it in a cool storage cabinet. the most important thing is that there can be no heating nearby, such as the oven or refrigerator, so as to prevent the coffee from being heated and causing the coffee to expand again and release carbon dioxide. If a friend buys coffee, he must read the instructions on the package carefully, because if the coffee is put into "nitrogen" during sealed storage, the coffee should be brewed for at least an hour before drinking, otherwise it will taste strange.
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Selection and purchase of household small bean grinder
In addition to considering the appearance and style and workmanship, the purchase of a household small bean grinder should also focus on the quality of the inner core steel of the first bean mill, the speed of the second grinding bean, the uniformity of the third thickness, and whether the thickness of the ground coffee powder can be adjusted. It is recommended not to buy a propeller bean grinder (that is, a bean grinder with two blades driven by an electric motor). It is actually not a bean grinder, but a bean chopper. Its
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Talking about the Grinding and brewing of Coffee
The ideal time to grind coffee is to grind it before steaming. Because ground coffee is easy to oxidize and lose its flavor, especially without proper storage, coffee powder is also easy to change flavor, so it is naturally impossible to brew mellow coffee. Some people are afraid of trouble or do not want to buy a bean grinder. They usually buy ready-made coffee powder when drinking coffee at home. At this time, they should pay special attention to storage.
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