Dark roasted coffee beans smell fishy

Why do dark roasted coffee beans smell fishy?

Dark roasted coffee beans are specially processed coffee beans with a darker color and a richer taste. However, sometimes we find that dark roasted coffee beans emit a fishy smell, which is confusing. What exactly causes this situation? This article will analyze it from several aspects.

1. Problems in coffee production

First, we need to understand the possible problems in the coffee production process. If the temperature and humidity are not strictly controlled during the picking, processing and transportation, the coffee beans may be contaminated or deteriorate. In particular, if the beans are stored for too long in a high temperature and high humidity environment or are not dried in time, mold or bacteria are likely to grow on the surface and release unpleasant odors.

2. Improper storage conditions

In addition to possible problems in the production process, the use and storage of coffee beans after purchase by consumers are also important. If unused coffee beans are exposed to a humid or high temperature environment, their deterioration process will be accelerated. In addition, if the container used is not clean or poorly sealed, it will also cause the coffee beans to absorb odors and emit a fishy smell.

3. The characteristics of coffee beans

Another possible reason is that coffee beans themselves have a certain smell. Dark roasted coffee beans are usually processed for a long time and at a higher temperature, which may cause some chemical reactions and release some volatile substances. Although these substances are the source of aroma for people who like a strong taste, they may be perceived as a fishy smell for others.

4. Solve the problem of the smell of dark roasted coffee beans

In response to the above problems, we can take some measures to solve the problem of dark roasted coffee beans emitting fishy odor. First, strictly control the temperature and humidity during the production process, and dry the beans in time to prevent mold growth; second, keep the unused coffee beans in a dry and cool place after purchase, and choose a well-sealed container for storage; finally, if you are sensitive to fishy odor, you can choose other coffee beans with a lighter taste or those that have not been dark roasted.

in conclusion

In short, the fishy smell of dark roasted coffee beans may be caused by problems in the production process, improper storage conditions, and the characteristics of the coffee beans themselves. By controlling the production process and improving the storage method, we can effectively solve this problem. At the same time, when purchasing, you should also pay attention to choosing coffee beans that suit your taste and needs.