The difference between coffee powder and instant coffee brewing methods. Can coffee powder be brewed directly?
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Coffee powder is ground into a powder of coffee beans, in which there are a large number of insoluble substances, while instant coffee is a water-soluble particle made from extracted coffee through a special process.
The most basic coffee brewing method for coffee powder is drip filtration, in which a filter layer such as filter paper or flannel is used to hold the coffee powder and let hot water flow through the coffee powder to extract coffee. Instant coffee is directly melted in hot water and can be drunk.
Coffee powder is made from roasted coffee beans, and water (either hot or cold) passes through coffee powder to precipitate aromatic substances, caffeine and other substances in coffee powder and dissolve in water to form coffee liquid, and its solid substances are insoluble in water.
Instant coffee is granulated after evaporating the water from the coffee liquid that has completed the extraction steps.
Therefore, using brewing coffee powder is generally called extraction. There are many kinds of extraction methods for coffee powder, such as pressure extraction (Italian), hand flushing, siphon, cold extraction, ice droplets and so on.
Logically speaking, the method of brewing instant coffee should be called reduction.
The boss gave me a bag of coffee powder, which is said to be brought by a friend from Italy. He didn't drink it and made it cheaper for me by all sorts of coincidences. Because what I have been buying before is Nestle black coffee to drink, which is the kind of big jar glass bottle. It happened to be filled with this bag after drinking, and I wondered that this high-end product was different. It was ground so finely that I was dumbfounded when I drank it. I added a spoonful, boiled water, stirred, always insoluble, and there were a lot of small precipitated particles below. Continue to stir, insoluble, microwave heating, and. Collapse, finally drink the top, wash the bottom down.
stunned
Maybe that's the difference. Instant coffee is made directly, and coffee powder has to be filtered.
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