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Which method of washing coffee beans in the sun is more complex? the process of sun treatment of coffee beans with high price

Published: 2024-09-20 Author: World Gafei
Last Updated: 2024/09/20, Professional coffee knowledge exchange more coffee bean information Please pay attention to the coffee workshop (Wechat official account cafe_style) the current coffee bean sun treatment, mostly using African-style viaduct, viaduct can effectively block the moisture and soil on the ground, and increase air convection. In the process of sun exposure, the temperature will also be strictly controlled to prevent the high temperature from causing excessive fermentation. Coffee bean day

Professional coffee knowledge exchange more coffee bean information please follow the coffee workshop (Wechat official account cafe_style)

Nowadays, coffee beans are treated in the sun, mostly using African-style elevated sheds, which can effectively block moisture and soil on the ground and increase air convection. In the process of sun exposure, the temperature will also be strictly controlled to prevent the high temperature from causing excessive fermentation.

The whole process of coffee bean sun treatment usually takes more than 20 days, allowing the bacteria and coffee cherry pulp to gradually ferment, so the flavor is relatively sweet, but also with rich tropical fruit flavor.

Did you get the key point of the reason why the treatment affects the flavor of coffee beans?

The answer is: fermentation time and fermentation degree

Coffee beans are treated in the sun, because the beans will be exposed to the sun together with the peel and pulp, resulting in a higher degree of fermentation.

It takes a long time to develop more tropical fruit flavor.

The washing method leaves only a thin layer of mucous membrane, and the overall treatment time is also short.

Even the Kenyan 72-hour washing method is much different from the coffee bean tanning method for a month.

Therefore, it is conceivable that the general washed beans have a cleaner flavor.

Coffee bean sun treatment, water washing, honey treatment, each has its own interesting!

Coffee beans are not born with dark brown beans. Coffee fruit is shaped like a red jujube fruit, each fruit has two coffee beans, the coffee fruit, coffee beans after processing, will be what we usually see. Coffee production includes harvesting, processing, peeling, picking beans, roasting, storage, grinding, brewing and other processes, in which the "treatment" step is one of the initial keys to affect the flavor of coffee.

There are many ways to treat coffee beans, which will affect the aroma of coffee. Here are two common ways of tanning and washing:

1. Sun method: after the coffee fruit is picked, pick out the immature fruit and miscellaneous leaves, directly expose the coffee fruit to the sun for 3 weeks, and remove the shell after drying. Because the pectin is still attached to the outside, it will have a pectin flavor. The fermentation degree of the solarization method will vary according to the temperature and humidity of the dry environment. Lin Zhe-hao said that South Minas in Brazil is a tropical steppe climate zone, with strong sun exposure, low fermentation and nutty flavor, while Latin America is not, most processes are highly fermented, full of fruity and wine aromas. In addition, the use of mechanical drying of whole fruit drying is also called solarization.

2. Washing method: the key point is that the coffee fruit is fermented after peeling, and the pectin is washed off with water after fermentation. One of the treatment methods used is that after the coffee fruit is picked, the immature fruit and miscellaneous leaves are removed, the outer skin of the fruit is removed, the beans are picked out, and then the beans are washed and soaked, so that the beans begin to ferment, allowing microorganisms and enzymes to decompose the components of the beans and produce sour flavors. The water washing method can also be a dry fermentation method without soaking, and then wash off the pectin with water after fermentation. After fermentation, the beans are then insolated or dried to prevent coffee beans from getting moldy. Properly washed coffee beans usually taste mild and may have a wine flavor, depending on the environment and fermentation.

After the processing of coffee beans, first pick out defective beans, leaving intact coffee beans, and then after varying degrees of baking, will eventually be able to have ever-changing flavor and taste. The subtle differences in each step between coffee production and brewing will affect the quality and flavor of coffee, which is why the world of coffee is so spiritual and fascinating.

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