Why is the color of washed coffee beans turquoise? what varieties of washed coffee beans are recommended?
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Complete washing method (Washed):
The peel, pulp and mucous membrane are removed by washing and fermentation. farms that use the washing method must build washing ponds and be able to introduce an endless supply of live water. During the treatment, the finished beans are put into the pool and passed back and forth, using the friction of beans and the power of running water to wash the coffee beans until smooth and clean. The whole fermentation time is only about 24-30 hours.
After washing, at this time, the coffee beans are still wrapped in the pericarp with a moisture content of 50%. They must be dried to reduce the moisture content to 12%, otherwise they will continue to be mellow, moldy and rotten.
The better treatment is to use sunlight to dry, although it will take 1-3 weeks, but the flavor is very good and very popular.
In the process of processing, the refined washing method usually removes the silver skin from the coffee beans, showing a special luster, but the dry and refined method (sun-drying method) only takes off the coffee shell, and the silver skin is still intact.
● generally washed raw beans are turquoise, sun-dried raw beans are yellowish green
Ethiopian water washing: belongs to the traditional wet fermentation treatment. The coffee cherries are washed, peeled and introduced into the fermentation tank to ferment with water below the water level of the fruit, rinse, soak in a clean sink for one night, and dry in the greenhouse the next day. Fermentation with water lasts 12-30 hours and requires a lot of clean water. PH should not be lower than four or five in the process of monitoring.
● water washed coffee beans recommended: Kenyan water wash
The famous K72 mode. Coffee cherry wash, peel, dry fermentation 24 hours, wash, dry fermentation again 24 hours, wash, dry fermentation again 24 hours, cycle treatment, reach 72 hours fermentation, after washing, soak the sink for one night, and start drying the next day.
After 3 cycles, it reaches 72 hours, so it is called Kenyan 72-hour fermentation washing treatment, abbreviated as [K72].
The Kenyan coffee bean washing tank has two layers, the process is as follows: in the evening, the defective coffee fruit is removed, the peel is removed, and then the sticky shell beans are removed, most of the pectin is removed, and then it is fermented twice in the lower clean pool, and then the recycled water is updated every few hours to avoid breeding mold; then it is introduced into the washing ditch to remove the residual pectin.
With so much industrial waste, no wonder Kenyan coffee tastes so delicate.
● washed coffee beans recommended: Guatemala
The Fraijanes producing area of Guatemala is surrounded by the capital, Guatemala City, with high altitude, abundant rainfall and great humidity variation. Ash from Pacaya, Guatemala's most active volcano, provides important minerals to the region's soil. Raw beans have grassy and spicy aromas with a distinctive smoky aroma.
Use a peeling machine to separate most of the pulp from the coffee beans, then guide the shelled beans to a clean sink, soak them in water and ferment to completely remove the residual pulp layer. Through water treatment, unripe beans and defective beans are selected because of buoyancy, and the fermentation process is easier to control, so the flavor is not mixed like sun beans, but shows obvious acidity, complexity and cleaner (without any negative flavor, such as astringency or sharpness).
● washed coffee beans recommended: Papua New Guinea
Due to its geographical location in the southern hemisphere, the local coffee harvest season is from May to August (most of Central and South America is harvested from October to February of the following year). After harvesting ripe red coffee cherries on a vast area of nearly 413 hectares of land, farmers send them to the manor's own treatment plant for post-processing, but the local washing treatment in New Guinea is different from that in Central and South America.
Use three times of water washing and fermentation, each time soak for about 12 hours, and change clean water to control the flavor of coffee; after cleaning, remove the shell of raw beans and carry out various grades, such as AA, AB, PB beans, etc., this fine post-processing method brings bright and delicate sour flavor to the coffee itself, clean and long sweet taste.
Papua New Guinea is located on the island of Guinea, with Indonesia but coffee taste with Mantenin's round and full Papua New Guinea beans, taste clean, full of flowers and sweet.
Qianjie coffee: Guangzhou bakery, the store is small but a variety of beans, you can find a variety of unknown beans, but also provide online store services. Https://shop104210103.taobao.com
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