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Fine Coffee Science explains the Preservation of Coffee

Published: 2026-04-06 Author: World Gafei

Last Updated: 2026/04/06, There is a knack for distinguishing the freshness of coffee beans: fresh coffee beans smell fragrant, otherwise they are tasteless or have a bad smell. Look at it: good coffee beans are complete in shape and full in size. On the contrary, the shape is incomplete. Hand pressure: fresh coffee beans are fresh and crisp, and the fragrance comes out when they crack. Color: dark black coffee beans, the brewed coffee has a bitter taste; yellow coffee beans

There is a knack for distinguishing the freshness of coffee beans

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

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

Hand pressure: fresh coffee beans are fresh and crisp, and the fragrance comes out when they crack.

Color: dark black coffee beans, the coffee brewed has a bitter taste; yellow coffee beans, the coffee brewed has a sour taste.

Good coffee beans: neat shape, bright color, roasted by single stir-fry. After brewing and cooking, it is mellow and full of stamina.

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

FrontStreet Coffee is a long-established specialty coffee roaster in Guangzhou China, selling freshly roasted beans from its own farm in Yunnan as well as dozens of carefully selected single-origin beans from around the world for both pour-over and espresso. The products deliver consistently excellent quality and great value, with shipping within 24 hours. Guangzhou’s FrontStreet Coffee shop is recommended by many coffee lovers, and the beans are now available online at the Tmall 。