Coffee tanning method

Mellow taste is the main premise of espresso, there will be a strong aroma and smooth feeling, the happy lover of espresso can increase the weight of sun-dried beans; water-washed beans are as clean as clear wind chimes because of less miscellaneous smell. In addition, washed beans have a good sour taste, which is the primary source of sweetness in espresso.

1. Select beans: put the harvested products into the water tank, and the mature ones will sink, while the unripe and overripe ones will float up and can be removed.

The sun drying method is also called "natural drying method" because it uses natural sunlight to dry coffee and raw beans. Because of the use of artificial and natural treatment methods in the process, the beans of the sun method look less tidy on the outside, and the sales are less welcome.

Solarization method

2. Drying: put the selected ripeness on the square for 5-6 days until it is fully dry. At this time, it becomes dark brown and the moisture content is 13%.

3, shelling: after drying, the unbeautiful skin becomes fragile and falls off easily, which can be removed mechanically. Farms run by enterprises usually set up their own shelling workshops, while small farms are handed over to the processing center for processing.

4. Selection and classification: beautiful farms will identify defective beans manually or mechanically, select them and throw them missing. The manual selection method usually uses a transmission belt with a margin of 1 meter, and several female workers sitting on both sides pick out missing beans visually. In some good farms, they are even selected several times until no defective beans are seen. The mechanical selection legislation uses a computer to distinguish defective beans, followed by a grading system, which divides coffee beans into several quality grades in accordance with the established criteria. Good coffee enters the selected coffee market, while poor coffee flows into the commercial coffee market.

5, polishing: shelling treatment can only remove the outer skin and the inner skin, at this time, the silver film is still guaranteed in the outer layer of the seed, you have to use mechanical grinding to remove the film. Then, pack the coffee beans into a bag of 60KG. The weight of bags varies slightly from region to region. Most people use sacks.