Bad types and grade planning of coffee beans

Bad category editor

Fermented coffee beans that fall from the soil before harvest. The moldy smell will have a great impact on the taste of coffee.

Dead beans, also known as unripe beans, or affected by climatic factors, the development is not perfect. Fried spots will be produced after baking, making the coffee have a green and astringent taste.

Black beans fermented beans, coffee beans that have rotted and blackened. Because it is black, it can be distinguished from normal coffee beans at a glance.

Moth beans. Coffee beans damaged by insects. Defective beans may be stuck during work, or carelessly handled during handling, resulting in incomplete coffee beans. Will cause fried spots when baking, and will produce bitter and astringent taste.

Other remaining thin-skinned beans, stunted beans, dried beans that do not completely produce moldy flavor, only shell beans (shell beans)

Specification grade editing

[2] A. Washing / non-washing

Washing type: in the sink, after rubbing with water and utensils, the pulp and colloid are removed and dried, which is called washing coffee bean with uniform quality.

Non-washing type: after the sun is naturally dried, the pulp and peel is removed by a sheller, and its quality is unstable.

Coffee beans

Coffee beans

b. Flat beans / round beans

The fruit of coffee consists of two oval seeds opposite each other. The connecting side of each other is a flat joint, which is called flat bean. But there is also a round seed called a round bean, which tastes no different. Ripe and red coffee cherries have multiple structures. In the middle is the predecessor of the coffee bean, the light green seed.

Generally speaking, the fruit of coffee is made up of two oval seeds opposite each other. The side that connects with each other is a flat joint, so it is called flat bean. But some are made up of a round seed, and its taste is no different.

c. The size of coffee beans

d. Altitude

According to the elevation of the cultivated land, it can be divided into three, four, seven and other grades. Generally speaking, the quality of highland beans is better than that of lowland beans, and the price is higher because of the increase in freight.

Grade name elevation (m)

1 special grade beans 1.500 ~

2 good beans 1.200 ~ 1.500 ~

3 medium beans 1.000 and 1.200

4 special water washing beans 9001.000

Coffee beans

Coffee beans

5The beans are washed with good water 760mm 900.

6 special water washing beans 610-760

7 excellent water washed beans ~ 610

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", and the basis for determining the quality class is that the smaller the defect number is, the higher the quality is.

f. Taste

The more famous ones are the unique "Blue Mountain Coffee" and the "Cubita" known as "unique Caribbean flavor coffee" and so on. Brazil, Haiti, Kenya, say and other countries also have their own taste testing methods, which can be exported only after taste testing.