Preservation of coffee beans with basic knowledge of fine coffee
The biggest enemy of coffee beans is the air. Caffeine has a large surface area and is easy to oxidize and damp so that its flavor is sharply reduced. Whole coffee beans last longer than powdered coffee. When you really want to make coffee, grinding coffee beans is the right way. Coffee beans are stored at room temperature for 2 weeks after roasting. If you plan to taste them within 2 weeks, just put the beans in a sealed jar and place them in the dark. If you need long-term preservation, you need to put the coffee beans in the refrigerator. The sealing tank had better be made of stainless steel. Do not use plastic or aluminum cans, because the sealed cans of these two materials are easier to absorb the smell.
In addition, raw beans should be placed in sealed cans and in thick paper bags and placed in a well-ventilated place away from direct sunlight.
Several time nodes:
1 the cooling is completed within 3 minutes after baking. Objective: to prevent the freshly roasted coffee beans from being overbaked by the residual temperature.
2 vacuum packing of one-way exhaust valve, constant temperature 15 degrees Celsius, stored for 5 days. Objective: to discharge too much carbon dioxide to make coffee beans stable and mature.
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Coffee making technology The relationship between grinding degree of coffee powder and extraction method
* Suitable for fine grind Turkish copper pot (Ibrik, micro powder), mocha pot, espresso machine (very fine grind). * Suitable for medium abrasive filter paper drip method, flannel drip method, stopper pot. * Suitable for coarse grinding drip coffee machine (very coarse grinding), drip pot (very coarse grinding)
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Maintenance of flannel filter for high-quality coffee
The coffee brewed with flannel filter is the most mellow and delicious. However, the arrangement and safekeeping of the filter screen is more troublesome. Maintenance of flannel filter: when using the new flannel filter, in order to remove the residual odor on the cloth, you can use a brush to wash, be careful not to use soap or soap powder, because the smell can not fall off. After washing, boil with used coffee powder and water for 5 minutes before washing with water. Filter
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