What is the effect of washing on the flavor of coffee? coffee beans are bright and clean.

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Qianjie-Coffee washing process introduction

Washing method

In the water washing method, the fresh coffee fruit is removed from the pulp that only retains the endocarp after picking and dried. There are several processes in it. First of all, the fresh coffee fruit separates the skin from the pulp through a pulp separation machine. Rinse the pulp with water and dry under the canopy. Coffee beans are transported in the waterway and separated by weight. Lighter coffee beans float on the surface of the water, while heavier mature coffee beans sink to the bottom.

The coffee beans then pass through a series of rotating iron buckets and separate them according to size. After separation, the coffee beans are transported to a large fermentor filled with water. It depends on a combination of factors-such as coffee beans, climate and altitude. These coffee beans will be stored in a fermentor for 12 to 48 hours. The purpose of this step is to remove the smooth mucus layer (called pectin layer) that is still attached to the inner pericarp. The enzymes produced by the natural fermentation of coffee beans in the fermentor decompose the pectin layer. When the fermentation is finished, the coffee beans will feel rough and no longer smooth. Now the coffee beans will be washed through another waterway. Then you can get ready to dry.

If the fresh coffee fruit is processed by washing, the pulp and fermented raw beans must be dried to about 11% for storage. The beans are still wrapped in parchment (endocarp) and can be spread on the sun table or on the ground and turned regularly, or dried in a large drum dryer. When the coffee beans are dried, they are called "coffee beans with endocarp" and stored in sisal or jute bags for export.

Washing not only retains the original flavor of coffee, it also enhances the brightness of coffee, that is, acidity, as well as the special fruit aroma.

Knowledge: coffee beans are the fruits of coffee trees, which belong to perennial evergreen shrubs or small trees of Rubiaceae.

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