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The method of distinguishing the freshness of coffee beans by coffee bean technology

Published: 2026-04-09 Author: World Gafei

Last Updated: 2026/04/09, One: the way to distinguish the freshness of coffee beans: fresh coffee beans smell strong fragrance, on the contrary, it is 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. Coffee beans with a yellow color

A: Coffee bean freshness identification method

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

See: Good coffee beans are complete in shape and full in size. Otherwise, the shape is incomplete.

Pressed: Fresh coffee beans are crispy when pressed, and the aroma wafts out when cracked.

Color: dark with black coffee beans, boiled coffee has a bitter taste. Yellower colored coffee beans, brewed coffee with sour taste.

Good coffee beans: neat in shape and bright in color.

Bad coffee beans: not uniform in shape, and incomplete individual. After brewing, it is light and fragrant, not sweet enough.

2: Grinding of coffee beans

Since coffee beans are composed of fine fibrous tissues, during the grinding process of coffee beans, their fibrous cells are released at the same time. Therefore, in order to make a cup of delicious coffee, the grinding process is very important.

② In the process of grinding, the first thing to pay attention to is that the particle thickness of the ground particles should be consistent, so that each coffee powder can be evenly released during production to achieve uniform coffee concentration. As for the coffee bean grinding thickness, as long as it depends on the production method and the coffee variety itself.

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