Basic knowledge of coffee size specifications and grades 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 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.
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. The ripe coffee fruit is multi-structured. In the middle are coffee beans, pale green seeds.
B. Size of coffee beans
Filter number (meshno.) Coffee Bean Size
Flat beans 20~19 extra large
18 major
17 is large.
16 Ordinary
15 in
14 small
13~12 very small
Round beans 13~12 large
11 is large.
10 Ordinary
9-of
8 small
C. 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.
Grade Name Elevation (m)
1 special bean 1.500~
2 Superior beans 1.200~1.500~
3 Medium beans 1.000~1.200
4 Special washed beans 900~1.000
5. High-quality washed beans 760~900
6 Premium washed beans 610~760
7 Excellent washed beans ~610
D quality
According to statistical methods, the type and quantity of impurities contained in a certain amount of samples are converted into a percentage of "defect number" to determine the basis of quality class. The smaller the number of defects, the higher the quality.
E. Taste
Brazil, Haiti, Kenya, Sai and other countries have their own taste test methods, after taste testing before export.
- Prev
An introduction to the origin of world-famous coffee beans
(1) the origin of Blue Mountain Coffee, Jamaica, is the national treasure of Coffee Coffee. The pure Jamaican Blue Mountain perfectly combines the unique sour, bitter, sweet, mellow and other flavors of coffee together. The aroma is very rich, mellow and smooth, with a long-lasting fruit flavor, forming a strong and attractive elegance, which is unmatched by other coffee. It can be said to be the best of coffee, known as the king of coffee. (II) Colombia
- Next
The production and processing of Fine Coffee beans
Coffee in the ancient Middle East, like the legend of 1001 nights, like a veiled girl with a thousand faces, can not only help get close to God, but also wash the spring of sadness. When it comes to coffee, we have to mention Turkish coffee in the Middle East, because no matter from the perspective of Islam or Christianity, the origin of coffee is in the remote and mysterious Middle East. In the thirteenth to fifteenth centuries, it grew.
Related
- Beginners will see the "Coffee pull flower" guide!
- What is the difference between ice blog purified milk and ordinary milk coffee?
- Why is the Philippines the largest producer of crops in Liberia?
- For coffee extraction, should the fine powder be retained?
- How does extracted espresso fill pressed powder? How much strength does it take to press the powder?
- How to make jasmine cold extract coffee? Is the jasmine + latte good?
- Will this little toy really make the coffee taste better? How does Lily Drip affect coffee extraction?
- Will the action of slapping the filter cup also affect coffee extraction?
- What's the difference between powder-to-water ratio and powder-to-liquid ratio?
- What is the Ethiopian local species? What does it have to do with Heirloom native species?