Specifications of coffee beans treatment methods of coffee beans

Water-washed coffee beans have more beautiful color and less impurities. Colombia, Mexico, Guatemala and other countries adopt this method for about 70% of their output.

Sometimes in the fermentation process, if not handled properly, it may give off fermentation odor and its unique sour taste, but if handled properly, all kinds of beans can give off their unique coffee aroma. 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 number (mesh no.)

Flat bean

20-19 large, 18 large, 17 quasi-large, 16 ordinary, 15 medium, 14 small, 13-12 extra-small

Round bean

13-12 big, 11 quasi-big, 10 normal, 9 medium, 8 small

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 high grade beans 1.200 × 1.500, 3 medium beans 1.000 × 1.200, 4 grade water washed beans 900 × 1.000, 5 grade water washed beans 760 × 900, 6 special grade water washed 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.