Coffee common sense size specification and grade of coffee beans
A, coffee can be divided into washing type and non-washing type according to specifications, and can also be divided into flat beans and round beans.
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.
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 coffee fruit has multiple structures. In the middle are coffee beans, light green seeds.
B, the size of coffee beans
Filter number (meshno.) Coffee bean size
Pingdou 20-19 is very large.
18 big
17 quasi-big
16 ordinary
15 Middle School
14 small
13-12 extra small
The round bean is 13 and 12 years old.
11 quasi-big
10 ordinary
No. 9 Middle School
8 small
C, 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
5The beans are washed with good water 760mm 900.
6 special water washing beans 610-760
7 excellent water washed beans ~ 610
D 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.
E, taste
Brazil, Haiti, Kenya, say and other countries all have their own taste testing methods, which can be exported only after taste testing.
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Roasting technology of coffee beans basic knowledge of roasting of fine coffee
When high-quality coffee beans are picked, the most important step in making them gourmet coffee is roasting and mixing. A master baker must have the temperament of an artist and the rigor of a scientist. Only in this way can we ensure that the sugars and other carbohydrates in the coffee are carbonized during the baking process, thus producing the well-known coffee oil and producing high quality and consistent style.
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Coffee common sense World famous coffee beans origin introduction
(1)Blue Mountain Coffee is produced in Jamaica and is a national treasure for buying coffee. Pure Jamaica Blue Mountain coffee will be unique in the acid, bitter, sweet, alcohol and other flavors perfectly blended together, the aroma is very rich, sweet and smooth, there are long-lasting fruit flavor, forming a strong attractive elegant flavor, other coffee can not match. It is the best coffee and is known as the king of coffee. (2)Colombia
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