How to preserve the freshness of coffee? Does good coffee have something to do with the freshness of coffee?
Coffee beans
Or the freshness of coffee powder is the key to the success of a cup of coffee. A small coffee bean, from picking, processing, roasting, grinding, brewing, and even preservation, requires extra attention in every step in order to fully retain the freshness of coffee beans and make coffee fragrant and mellow. Coffee should be stored in a dry, cool place where it is suitable for storage. It must not be placed in the refrigerator to avoid absorbing moisture. When taking coffee out of the freezer, it is necessary to prevent the frozen part from melting and dampening the coffee in the bag. Packaged tin cans that help to store coffee aromas can be retained for a long time. Plastic bags are fine, but they store less than tin cans. Vacuum packaging is more conducive to the storage of coffee, making the original flavor more lasting. In addition, another kind of packaging is one-way valve packaging, this device is conducive to the discharge of carbon dioxide from coffee, so that the aroma and freshness of coffee can be preserved to the maximum extent.
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 want to order coffee beans by mail, you'd better buy unground beans.
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The greener the coffee beans are, the more fresh they are. The more moisture = the greener the raw bean color "?
The greener the coffee beans are, the more fresh they are. Moisture and freshness. If the moisture of raw beans will decrease over time, then the argument that moisture is more = fresh is true. But in real time, the water content of coffee beans is unstable, which increases and decreases with the change of environment, which is similar to wood. If the environment around the raw bean is humid, the bean will do it on its own.
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Why do coffee beans need to be packaged in one-way valves?
Why do coffee beans need to be packaged in one-way valves? 1. Roasted coffee beans are sealed and packaged in aluminum foil bags to avoid contact between coffee beans and light and air, resulting in rapid aroma and oxidation. 2, one-way exhaust valve coffee bag can isolate the light and air intrusion outside the packaging bag, so that coffee beans can be kept fresh in the best preservation packaging state.
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