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.
(filter) size of coffee beans (reference table)
Most countries, such as Brazil, Colombia, Tanzania and so on, adopt C classification. Although there may not be an absolute relationship between the size and quality of coffee beans, it can make the size of raw coffee beans the same.
Bean type filter number code caffeine bean size
Pingdou 20-29 extra large
18 big
17 quasi-big
16 ordinary
15
14 small
13-12 extra small
Round beans 13-12
11 quasi-big
10 ordinary
9
8 small
The table is graded by filter number and coffee bean size.
d. Grading by level (reference table)
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.
Sequence number equal order abbreviated elevation
1 selected quality beans S.H.B 4500 ~
2 good coffee beans H.B 4000mm 4500
3 medium coffee beans S.H 3500 million 4000
4 super high-grade washed coffee beans E.P.W 30003500
5 first-class washed coffee beans P.W 250000 3000
6 special water washed coffee beans E.G.W 2000 2500
7 High quality washed coffee beans G.W ~ 2000
The table is graded by level
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