What kind of coffee can be honey treated?
After the fresh coffee fruit is harvested, it should be dealt with immediately. Refining is to remove the skin and pulp of the coffee fruit, and then remove the seed from the shell, which is what we often call raw coffee beans. The refined coffee beans are still raw beans, and then they are roasted to produce the various flavors of coffee beans that we usually drink.
1. Coffee refining method
Coffee refining methods are mainly divided into three categories: drying method, water washing method and semi-washing method. Generally speaking, the coffee fruit of 5000KG can be obtained from 1000kg coffee raw beans.
1.1 drying method
Drying is a traditional processing method of coffee beans, the fruits need to be dried in the natural sun after harvest, and some mechanical drying is carried out at the same time. The process is: harvest → sun field (sunlight exposure) → sheller (remove pulp, etc.) → grading (electronic bean selector or hand selection, screen, etc.) → export.
Figure (2) Coffee beans dried
The color of raw beans treated by drying is yellow, and the water content of coffee beans is generally about 11%, 12%. The advantage is that sun beans have better sweetness and mellow thickness, and less sour taste, so many coffee fans like it very much. The disadvantage is that due to the use of artificial and natural treatment methods in the process, the sun-cured beans do not look good in appearance, do not look good, the quality is unstable, and there will be greater ups and downs.
Figure (3) Coffee beans dried
1.2 washing method
Water washing is the most popular treatment method at present, and most boutique coffee beans will choose water washing method. Washing coffee refining process: harvest → storage tank (removal of impurities and immature beans) → pulp removal machine (removal of pulp and impurities) → fermentation tank (removal of mucous membrane attached to endocarp) → washing pool (selection of light and hard beans) → sun drying field (or dryer) → sheller (removal of endocarp) → grading (electronic bean selector or hand selection, sieve, etc.) → outlet.
Figure (4) washing drying field
The appearance of coffee beans processed by washing is neat, and the impurities and defective beans are less, and the water content of coffee beans is generally about 16%. The advantage is that it has less miscellaneous flavor, clear taste and bright sour taste; the biggest disadvantage is that coffee beans are easy to get sour and astringent taste during fermentation, and a fermented bean will spoil 50 grams of beans.
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How to pick coffee and how to deal with it before it becomes a raw coffee bean?
When the fruit of the coffee tree is picked, the four layers of skin wrapped around the coffee beans need to be removed in order to finally get the coffee beans needed. There are two main methods to remove the outer epidermis of coffee beans: wet treatment and dry treatment. 1. Wet treatment: wet treatment is also called Washed Bean, and coffee beans processed in this way are called water-washed beans.
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What are the treatment methods of coffee beans? what treatment methods should be adopted for different kinds of coffee?
When coffee cherries are picked from trees, they are usually placed in a pool full of water for branches, leaves and density screening: overripe and undermature coffee cherries float to the surface because they are not dense enough, and coffee fruits that are ripe enough will sink to the bottom of the pool. Then enter the peeling and pulp machine to remove the outermost layer of peel and pulp. The coffee at this time is with residual fruit.
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