How to determine the freshness of coffee beans based on the basic knowledge of boutique coffee

There are three steps: smell, look and peel.

Smell: close the coffee beans to the nose, deeply smell, is it possible to clearly smell the aroma of coffee beans, if yes, on behalf of coffee beans fresh enough. On the contrary, if the aroma is weak, or if it has begun to appear greasy, it means that the coffee beans are completely stale.

Such coffee beans, no matter how much effort you spend to grind and boil, it is impossible to cook a good cup of coffee.

See: Spread the beans out on your hand to determine the origin and type of coffee beans, and also to determine whether the beans are roasted evenly.

Peeling: Take a coffee bean and try to peel it with your hand. If the coffee bean is fresh enough, it should be easy to peel it apart, and there will be a crunchy sound and feeling. If the coffee beans are stale, you may find that it seems like you have to struggle to separate a bean.

There is another important point to observe when peeling coffee beans, that is, to see if the fire is even when roasting. If uniform, the color of the outer and inner layers of the beans should be the same.

If the color of the outer layer is significantly darker than the color of the inner layer, it means that the heat during roasting may be too high, which will also affect the aroma and flavor of the coffee beans.