Teach you some ways to keep coffee fresh. Basic knowledge of coffee beans.
A suitable place to store coffee
Coffee should be stored in a dry, cool place, not in the refrigerator, so as not to absorb moisture. Coffee beans and ground coffee can be frozen, the only thing you need to pay attention to is that when you take the coffee out of the freezer, you need to avoid the frozen part from melting and damp the coffee in the bag. Americans think coffee is better in the refrigerator. But it won't take more than a month. They took out the amount of coffee beans they wanted to drink from the freezer and began to grind and boil them to drink before they thawed.
With the increase of time and processing procedures, the life of coffee will be reduced; the appropriate storage method can prolong the shelf life of coffee. Packaged tin cans that help coffee storage can keep the aroma of coffee for a long time. Plastic bags are fine, but they store less than tin cans. In foreign countries, coffee beans are sometimes sold in tin cans or plastic bags. Vacuum packaging is more conducive to the storage of coffee, making the original flavor more lasting. Once you open an oil-proof or tin foil-wrapped coffee bag, immediately put the coffee beans or coffee powder in a sealed can; the coffee powder will not get moldy quickly, but will absorb the smell from the air as well as coffee beans. The storage of coffee beans the heavier the unroasted or fried beans are, the better. Once the coffee beans are roasted, they will slowly lose their fragrance, and the fragrance will be gone after two weeks. So buy a small amount at a time, or a small amount of ground coffee. If you mail-order coffee from a coffee bean store, you'd better buy unground beans. Storage of instant coffee
Instant coffee bag is a recently developed product for roasting and grinding coffee in processed food. its thin aluminum material helps to preserve the original aroma of coffee to the greatest extent.
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The noun explanation of coffee bean packaging teaches you to understand coffee beans from the label.
Professionals all know that there may be great differences in the flavor of coffee beans from different years and different producing areas. Professional roasters will taste the raw coffee beans from different producing areas every year, and adjust the way of roasting and blending, so that consumers can get products with stable flavor and little difference. Sometimes, when you walk into a coffee store, you will find a dazzling array of coffee names.
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The chemical composition of coffee what are the ingredients in coffee beans?
Caffeine: caffeine is the most eye-catching of all the ingredients in coffee. It belongs to a kind of phytoxanthin (animal muscle component). It has the same properties as theobromine contained in cocoa, green tea contains the same theophylline, and the percentage of reduction after baking is very small. Caffeine has a very wide range of effects. will affect the human brain, heart, blood vessels, gastrointestinal, muscle and kidney and other parts, the right amount of coffee
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