The mystery of coffee beans: explore the magical secrets of coffee beans!

Coffee beans are one of the most common coffee shop English drinks in our daily life. However, have you ever thought about what kind of magical secrets are hidden behind coffee beans? Let's explore it together!

First of all, the origin of coffee beans can be traced back to Ethiopia in Africa. According to legend, in ancient times, a shepherd found that his flock became unusually excited after eating a certain red fruit. So he tried the fruit and found that it had the effect of refreshing the mind. This is the story of how coffee beans were discovered and used by humans.

Secondly, making delicious and fragrant coffee requires a tedious and delicate processing process. First, the ripe coffee cherries are picked and peeled and pulped, leaving the seeds with two small cores (i.e. "beans") inside. These seeds are then placed in the sun to dry, and special methods are used to remove residual substances and moisture.

It is worth mentioning that there is an important step in the entire processing process - roasting. The roasting time and temperature will directly affect the taste and flavor of the coffee beans. Lightly roasted coffee beans have a stronger sour taste and rich aroma; medium roasting will make the coffee beans more balanced while retaining a certain degree of sweetness and sourness; while deep roasting will make the coffee beans more bitter, but also bring a rich and strong taste.

Finally, we have to mention that there are significant differences between coffee beans produced in different regions. There are two main common varieties in the world: Arabica and Robusta. Arabica is generally considered to be of high quality, complex flavor and fragrant, while Robusta has a higher caffeine content and a strong bitter taste.

In summary, although drinking a cup of delicious and fragrant coffee every day has become an indispensable part of life, we rarely think about what kind of magical secrets are hidden behind it. The origin of coffee beans, the processing process and the differences between different varieties all provide us with more opportunities to explore and taste the world of coffee.