Extraction rate Formula of hand Coffee-Delon Coffee Machine Extractor cleaning
Extraction rate Formula of hand Coffee-Delon Coffee Machine Extractor cleaning
When brewing coffee, it will first go through the "steaming stage", the time is about 15 to 30 seconds, let the coffee powder absorb water, the coffee powder that absorbs enough water will expand, and produce another kind of aroma, the longer the steaming time, the stronger the coffee flavor, usually the amount of steaming water is twice that of coffee powder, for example, 30 grams of coffee powder, about pour 60cc water, so that the coffee powder can absorb enough water.
After stuffy steaming, the action of water injection is carried out. it is generally recommended that beginners use a fine-mouthed hand flushing pot, which is not easy to fail; at the beginning of water injection, it is easy to extract coffee, if you are an ordinary hand flushing pot, do not use too much water at the beginning, and use a large water injection near the end to avoid flushing out too many impurities. The ideal time for water injection is about one and a half to two and a half minutes. If you want the coffee to taste thicker, you can slow down. The direction of water injection can start from the center, around the outside of the circle to the clockwise direction, to remember that the biggest impact is not to rush to the filter paper.
In addition, there is a technique called "cut off water" when brewing coffee, which is to interrupt the water injection process. This action can make the coffee taste not too heavy or too thin. For example, the water in 360cc can be interrupted at half the 180cc, and then continue to pour water until the water level on the coffee powder drops. This can adjust the flavor of the coffee and make the taste stronger. In addition, when the water column is too large, you have to cut off the water so as not to cause the taste to be too light, so you can change the taste of the coffee and adjust the extraction rhythm through the cut-off water, which is recommended once or twice.
Grinder (manual, electric, relatively rough grinding)
Weighing instrument with an accuracy of 1g
Stopwatch (my weighing instrument already has a timing function)
Hand-made special pot, long and thin outlet, so it is easy to control the flow
Filter paper
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