Washed coffee beans are called washed coffee beans. After the friction between water and utensils, the pulp and gum are removed and dried, and the quality is uniform.

No-washing type: after natural drying, the pulp skin is peeled off with a sheller, and the quality is unstable.

B. Lentils/beans

The fruit of coffee consists of two oval seeds. One side connected to each other is a flat joint, called lentil. But there is also a round seed called round bean, which has no different taste. Mature red coffee fruit has multiple structures. In the middle is the predecessor of coffee beans, light green seeds.

Generally speaking, the fruit of coffee consists of two oval seeds. The connected side is a flat knot, so it is called lentil. But there are also round ones, and the taste is no different.

C. the size of coffee beans

D. altitude

According to the altitude of the cultivation area, it can be divided into three, four and seven. Generally speaking, the quality of highland beans is better than that of lowland beans, and the price is higher because of the increase of freight.

Grade Name Altitude (m)

1 Tedou 1.500~

2 Youdou 1.200~ 1.500~

3 zhongdou 1.000~ 1.200

4 specially washed beans 900~ 1.000

5.760~900 first-class washed beans.

6 high-quality washed beans 6 10~760

7 You Xi Dou ~6 10

E. quality

According to the statistical method, the type and quantity of dopants contained in a certain amount of samples are converted into percentage "defect number" as the basis for judging quality. The fewer defects, the higher the quality.

F. taste

More famous are the unique blue mountain coffee and Cupid called "unique Caribbean flavor coffee", and so on. Brazil, Haiti, Kenya, Say and other countries also have their own taste testing methods, which can only be exported after taste testing.