How to clean coffee with filter-hand coffee filter after grinding
How to clean coffee with filter-hand coffee filter after grinding
The corresponding relationship between the grinding degree of coffee powder and various brewing methods, on the whole, the production time is longer, that is, the degree of grinding required by the brewing method of coffee powder with longer contact time with water is usually thicker, the reason is that the finer the grinding degree of coffee powder is, the larger the contact area between coffee powder and water is, and too long brewing time will lead to excessive extraction of oil and aromatic substances in coffee, making coffee taste bitter. Coffee powder with a finer degree of grinding should be brewed in a way that takes a shorter time to make, that is, a shorter contact time between coffee powder and water. Contrary to the previous situation, if the coffee powder is too thick, short brewing time can not fully extract the essence of coffee, coffee taste thin, plain taste. What needs extra attention is that whether the grinding degree of coffee powder is constant or not will directly affect the final taste and quality of coffee.
Bean grinders can be roughly divided into two types: gear type bean grinder and blade type bean mill. The working principle of the gear grinder is that two gear-shaped or conical grindstones rotate quickly to crush the coffee beans between them, generating very little heat in the process. This process of extrusion and crushing can well release the aromatic essence and oils in the coffee, making the coffee taste more mellow and silky. Generally speaking, the grinding degree of the gear type bean grinder is very wide, which is suitable for all kinds of brewing methods, such as Italian espresso, French pressure coffee, drip filter coffee and so on.
According to the shape of the grinding stone, the gear type bean grinder can be divided into two types: conical and flat. As the name implies, the flat gear grinder is equipped with two flat grinding gears or grindstones, and the size of coffee powder particles is more uniform. Because the contact area between the internal grindstone and coffee beans is larger, the heat generated during grinding is lower, and the coffee powder is of higher quality, the tapered gear bean grinder is usually more expensive. If you want to ensure that the quality of coffee is almost perfect, a bevel gear grinder is absolutely essential.
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