How long should the coffee be ground and stored? How to tell whether the coffee is fresh or not

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Qianjie Coffee talk about many friends who have just come into contact with coffee, do not understand coffee or have just come into contact with the original coffee, they will buy coffee powder directly when buying coffee.

This may seem a lot more convenient, but you know, buying a lot of coffee powder but not drinking it can be very damaging to the flavor of coffee.

First of all, after the coffee bean is ground into powder, its contact surface with air increases greatly, and the oxidation is very fast.

Then the freshness of the coffee will soon be lost, and the original mellow flavor of the coffee will gradually disappear.

You know, freshly baked coffee beans are ground into powder, and the flavor changes completely within two or three days.

If you are not just for a caffeinated drink, but also want to taste the mellow coffee that represents the true coffee spirit, it is recommended that you do not buy coffee powder directly unless you consume it quickly in a day or two. buy coffee beans and a bean grinder and grind the beans before brewing.

Tell whether the coffee is fresh or not?

Before opening the bag, first smell the exhaust hole of the coffee bag. Good coffee has the fresh aroma of coffee, bad coffee has all kinds of bad smell, most of them are that kind of scorched smell, but the people who sell that kind of coffee will usually fool our people. Meiji said, "Coffee is that smell."

The color and particles of coffee powder after opening the bag, generally good coffee powder is uniform in size and color; bad coffee powder is either different in size or uneven in color, some black, some yellow and so on.

Good coffee tastes smooth, not astringent, and the acidity is easy to accept. After drinking it, the aroma goes straight to the brain. Bad coffee is very bad, some are astringent, some are too sour, some are indescribable and difficult to swallow, this is not good coffee.