Now, coffee has become a daily drink. Many people like to drink pure coffee and like the feeling of bitterness without sugar. Many people also think that coffee is too bitter. They like to add some sugar or cream to adjust the bitterness of coffee. Caffeine has different tastes due to different types of coffee beans. Some coffee is particularly bitter, Some coffee is slightly bitter. Let's introduce the types of coffee beans in detail:

Classification by variety:

1、 Arabica: Arabica coffee beans account for 2 / 3 of the world coffee market. It grows in plateau areas. The annual average temperature is 15 to 25 ℃, which requires sufficient rain, good quality and rich flavor and aroma.

2、 Robusta: it has strong adaptability, insect resistance and disease resistance. It can be planted in barren plain areas. It has heavy bitterness and is relatively lack of rich taste and aroma. In addition, the content of caffeine is high. Usually used to make instant coffee or mixed with integrated coffee beans.

3、 Liberica: Liberica was originally grown in the low-altitude forest of Liberia on the coast of West Africa. Liberica coffee tree is much taller than Arabica or robusta. Its coffee flavor is famous for its strong wood and smoke. Liberica coffee accounts for 2% of world consumption, dwarfing Arabica coffee (about 75%) and robusta (about 20%).