How to keep coffee beans fresh? How to distinguish the freshness of coffee beans?

One is the coffee hoarded in the closet. Can you still drink it now? Here is a list of what happens after coffee roasting, and use information to help you solve the problem. New coffee can last for up to three weeks. Newly roasted coffee will hold its best flavor for up to three weeks. Once roasted, coffee beans will take several days to drain (carbon dioxide), and then they can be boiled and used. About a week after roasting, the coffee flavor is at its peak, and the aroma and flavor characteristics of the coffee are the strongest, which can also show the best alcohol thickness and acidity of this coffee. But once more weeks go by, most of the coffee will no longer be fresh. How to distinguish the new degree of coffee? The coffee has a "safe shelf life" of several months. however, the coffee beans that have been kept for several months, the flavor of the brewed coffee has never been as rich as the fragrance of flowers, fruit and caramel, but it is still safe to use. As a matter of fact, there are many places where the coffee is not marked with the date of roasting / roasting, but only the shelf life. When this kind of coffee is sold, it is usually coffee beans that have been roasted for several months, but these coffee beans may be placed on cold and dry shelves, so they can be used with peace of mind. Of course, these coffees are not as delicious as they were in the new season, but drinking them will not do any harm to the body, as long as the environment is not high and damp, and it will change the coffee production. Coffee beans that have not been preserved in a stable environment for more than six months are not recommended for further use as they may produce toxins that are harmful to people. Of course, there is no need to choose to drink such old beans, here are some ways to help you consume coffee beans that have been kept for several months: 1. Use these coffee beans to make coffee ice cream. After the coffee is boiled, it is used to bake the cake. Put it directly on shoes, clothes and clothes as odor absorbent 4. Make coffee beans and chocolate (wrapped in chocolate noodles) 5. Use these beans to buy different handheld utensils / techniques do not refrigerate or refrigerate coffee to increase coffee life, some people will put it in refrigerated or refrigerated to prevent spoilage, which is reasonable, but in fact it is counterproductive. Storing coffee in cold storage or cold storage will not prolong its shelf life, as coffee will hold coffee and put fragrance in it. Whether they are under the room or in the refrigerator, they will release these substances. Keeping the coffee at a cold temperature will not lengthen the six-month shelf life, because there is no need to keep it below zero at all. In fact, storing coffee in cold storage or refrigerator may shorten its shelf life. When you put coffee in the refrigerator or freezer, sudden curing usually causes water to form inside the bag, just like taking out the ingredients in the refrigerator, the bottle will produce raw water. Naturally, it is stored in a cold environment, but the package will change the tide and the beans will spoil.