The shape judgment specification grade of coffee beans

Delicious coffee can be known from the shape of its roasted coffee beans. Of course, there can not be bad coffee beans mixed in, it is more important to note that normal beans will also be mixed with high-quality coffee beans and cause hindrance. A fried roasted bean that can brew delicious coffee must first be big and fat, and crepe evenly, followed by the same size and colorless and spotless. These are the main points of visual discrimination, if you look at it carefully, it should not be difficult to separate 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.

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

Filter screen, number (meshno) 20: 19 18 17 16 15 14 13: 12

Pingdou extra large, quasi-large, ordinary, medium-small, extra-small

Filter size (meshno) 13 "12 11 10 9 8"

Big quasi-large, ordinary, medium and small beans

d. Altitude

Coffee beans

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. High-quality beans 1.200 ~ 1.500 ~

3. Medium beans 1.000 and 1.200

4. Special water washing beans 9001.000

5. Washing beans with high-quality water 760,900

6. Excellent water washing beans 610-760

7. Excellent water washing 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.