Coffee technology shares the knack of identifying the freshness of coffee beans

Smell: fresh coffee beans smell strong fragrance, otherwise tasteless or bad smell.

Look: good coffee beans are complete in shape and full in size. On the contrary, the shape is incomplete.

Pressure: fresh coffee beans are pressed fresh and crisp, and the fragrance wafts out when they crack.

Color: dark black coffee beans, brewed coffee has a bitter taste. The coffee beans with yellow color make the coffee sour.

Good coffee beans: neat shape and bright color.

Bad coffee beans: different shapes and incomplete individuals. After cooking, it is light and fragrant, not sweet enough.

[grinding of coffee beans]

Because coffee beans are made up of fine fibrous tissue, the fiber cells are released at the same time during the grinding process. Therefore, if you want to make a cup of delicious coffee, the grinding process is very important.

In the process of grinding, the first thing to pay attention to is that the size of the ground particles should be the same, so that each coffee powder can release ingredients evenly and achieve the effect of uniform coffee concentration. As for the grinding thickness of coffee beans, as long as it depends on the production method and the coffee variety itself.