Methods and secrets of coffee grinding
According to the size of coffee beans, the grinding methods can be divided into rough grinding, medium grinding and fine grinding. Use the appropriate grinding method according to the coffee utensils. There is also medium fine grinding or finer and finer grinding than fine grinding (powdered coffee powder).
1. Fine grind: the particles are fine, the same size as sugar.
2. Medium grind: the particles are the same size as the mixture of granulated sugar and crude sugar.
3. Rental grinding (Regular grind): the particles are thick, as big as coarse sugar.
The grinding tool for coffee beans is a bean grinder. There are three kinds of bean grinders:
(1) Manual rotary bean grinder for household use. It is suitable for leisure people with small demand, large particles and plenty of time.
(2) Electric bean grinder for household use. Can be ground into a variety of particle size coffee powder, can be ground out of 6 people at a time.
(3) Professional use of electric bean grinder. For commercial use, about a pound of coffee powder can be ground at a time.
The following two points should be paid most attention to when grinding coffee beans:
(1) reduce the heat of research. Grinding heat will cause the aroma of coffee to dissipate early.
(2) the particle size is uniform. Uneven particle size will lead to uncontrollable brewing time.
So if you use a family-style manual bean grinder, you should rotate gently so that it does not produce friction heat as much as possible. To sum up, if you consider the quality, quantity, time and convenience of grinding beans, the use of electric bean grinders for home use will be the best choice.
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The principle of coffee grinding coffee beans grinding method
In general, a good grinding method should include the following four basic principles: 1. The grinding degree suitable for the brewing method should be selected; 2. The temperature of the cattle produced during grinding should be low; 3. The powder after grinding should be uniform; 4. Grinding before brewing. No matter what kind of grinding machine is used, it will certainly generate heat by friction during operation. Most of the fine substances are highly volatile, and the heat of grinding will increase.
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Coffee grinder introduction of propeller bean grinder
There are different brands and models of bean grinder, and the grinder which can adjust the thickness of grinding bean is ideal. When grinding with a bean grinder, don't grind too much at one time, just enough for one use. Because the longer the bean grinder is used at one time, the easier it is to heat up, which indirectly causes the coffee beans to be heated and leads to the loss of aroma, thus affecting the aroma of the coffee. This kind of bean grinder is rotated by motor.
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