Smell, watch and peel to judge the freshness of coffee

There are three steps: smell, look, 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.

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 and have a crunchy sound and feel. If the coffee beans are stale, you may find that it seems like you have to struggle to separate a bean.