1, roasted coffee beans

Roasted coffee beans need to be prevented from oxidation in the air, which will deteriorate the quality of oil contained in coffee beans. If the temperature, humidity and light change, it will accelerate the deterioration of coffee beans, so it needs to be placed in a closed, low-temperature and dark place as far as possible.

2. unopened coffee beans

If the coffee beans are unopened, it is recommended to put them in the refrigerator, because the lower temperature will slow down the oxidation rate of coffee beans, so they are suitable for storage in a cool and ventilated environment, and the temperature is 18℃-22℃, and they should not be placed in an excessively dry place as far as possible (humidity below 54% is too dry).

3. Open coffee beans

If the coffee beans have been opened, they need to be sealed with sealed cans or special sealing strips and then stored in a cool and dry place.

Factors affecting the quality of coffee beans;

① Acidification, ② Temperature change and ③ High humidity.

Each one will affect the quality of coffee beans, and then affect the taste of a cup of coffee.