Specifications and grades of processed coffee beans

a. Washable/non-washable

Washing type: In the sink, after rubbing with water flow and utensils, remove pulp and colloid and dry, called washing type coffee beans, its quality is uniform.

Non-washing type: After natural drying in sunlight, remove the pulp and peel with a shelling machine, and its quality is unstable.

b. Flat beans/round beans

Coffee fruit is composed of two oval seeds facing each other. One side of the joint is a flat joint, called a flat bean. But there is also a round seed, called round beans, which taste no different. Ripe and red coffee cherries have multiple structures. In the middle is the precursor of coffee beans, light green seeds.

Generally speaking, coffee fruit is composed of two oval seeds opposite each other. The other side of the joint is a flat joint, so it is called flat beans. But there are also ones that consist of a round seed and taste no different.

c. Size of coffee beans

Filter number (mesh no.) Coffee Bean Size

pingdou

20~19 King

18 big

17 quasi-great

16 ordinary

15 in

14 small

13~12 extra small

round bean

13~12 big

11 quasi-great

10 ordinary

9 in

8 small

d. Elevation

According to the elevation of the cultivated land, it can be divided into three, four and seven grades. Generally speaking, upland beans are of better quality than lowland beans, and because of increased freight costs, prices are higher.

level name Altitude (m)

1 special bean 1.500~

2 superior bean 1.200~1.500~

3 medium bean 1.000~1.200

4 special washed bean 900~1.000

5 Fine washed beans 760~900

6 Premium washed beans 610~760

7 superior washed bean ~610