Coffee bean common sense the relationship between coffee bean grinding and the use of utensils
The thickness of the powder depends on the way it is cooked. Generally speaking, the shorter the cooking time, the finer the ground powder; the longer the cooking time, the thicker the ground powder.
In terms of actual cooking, 1.ESPRESSO machines, espresso machines and mocha pots take a very short time to make coffee, so the grinding is the finest and the coffee powder is as fine as flour. It takes more than a minute to cook coffee with filter paper filter cup, flannel drip and siphon pot. Coffee powder is ground of medium thickness. French pressure pot and American filter coffee machine take a long time to make, so the grinding of coffee powder is the thickest.
Grinding coffee powder with the right thickness is very important for making a good cup of coffee, because the extraction of water-soluble substances in coffee powder has its ideal time, if the powder is very fine and cooked for a long time, resulting in excessive extraction, the coffee may be very bitter and lose its aroma. On the other hand, if the powder is coarse and cooked too fast, resulting in insufficient extraction, the coffee will be tasteless because it is too late to dissolve the water-soluble substance in the powder.
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Why does coffee common sense emphasize freshly ground coffee?
When you smell the fragrance of coffee powder, it shows that it is deteriorating and the essence of coffee is decreasing. If the diameter of the coffee powder is doubled, the volume of a single particle is reduced by 1 × 8, and the surface area of the corresponding total coffee powder is doubled. After the coffee bean is ground into coffee powder, its surface area increases exponentially, and the area of contact with air increases hundreds of times.
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Coffee tree coffee harvest roasting process
Roasting is the last and most important step in the processing of coffee beans after they have been picked. Green coffee beans cannot be used directly to make drinking coffee. All coffee beans must be roasted before grinding and brewing. Unroasted coffee is often referred to as green coffee, which has a shelf life of up to a year compared to roasted coffee. The size of the green coffee beans
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