Coffee beans: Can they be eaten directly?

Coffee beans are a common food, but they are not usually eaten directly. Coffee beans need to go through a process of roasting and grinding to make the coffee drink we love. Here are some details on why coffee beans should not be eaten directly and how to make delicious coffee.

First of all, green coffee beans contain a lot of bitter and difficult to digest substances. These substances include tannins, proteins, cellulose, etc. Green coffee beans also contain a high water content, and the taste is very hard and difficult to swallow. Therefore, consuming green coffee beans directly may cause stomach discomfort or digestive problems.

Secondly, after roasting and grinding, the aroma and flavor of coffee can be fully released. By controlling the temperature and time of roasting, the taste characteristics of different types can be changed and the bitter taste can be reduced. After roasting and crushing into powder form, brewing equipment (such as filter pots, coffee machines, etc.) can be used to make delicious coffee drinks.

Finally, coffee beans undergo chemical changes during the roasting process, releasing a large amount of carbon dioxide. This is why roasted coffee beans swell to a certain extent. If you eat untreated roasted beans directly, it may cause discomfort or digestive problems.

In summary, although coffee beans are a common food, they are usually not eaten directly. Raw coffee beans contain bitter and indigestible substances and have a very hard taste. Only after roasting and grinding can the aroma and taste be fully released and made into a delicious coffee drink through brewing equipment.