What is coffee extraction? Teach us the methods of pressure kettle extraction and trickling extraction.
What is coffee extraction? What happened during the extraction process? With regard to coffee extraction, there is still a lot that we have not fully understood. Today, I will share with you my experimental experience and experience in the past few weeks, hoping to help you deepen your understanding of coffee extraction.
What we already know about extraction
We all know that water is a very strong solution and can even be called a "universal solution" because it can dissolve many substances that other liquids cannot dissolve. As we all know, the molecular structure of water is made up of hydrogen and oxygen atoms with positive and negative polarity, so other molecules can easily decompose and combine with water molecules after entering water. On this basis, the extra heat makes the molecules move more violently, which makes the hot water more capable of dissolving other substances.
Dripping type
Filter paper dripping is the most typical brewing method, and it is also the one we use most frequently at home.
Extraction usage: very simple, just put the filter paper on the coffee filter cup, brew it and then pour out the residue in the filter paper.
French pressure kettle
The French pressure kettle is composed of a cylindrical container and a shaft metal filter that separates coffee powder from water.
Extraction usage: pour the ground coffee into the coffee pot, add hot water, squeeze the filter after a while, and then filter the coffee from the bottom of the container. The method of operation is also very simple!
Coffee thickness: coarse powder
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In coffee extraction, can a small proportion of [1:13] be the same as [1:15] after adding water?
Recently, a friend asked the editor if adding water after extracting a cup of coffee can avoid over-extraction, so will its concentration become lower? This is a good question. So the editor's experiment today is to directly extract the amount of water needed and the proportion of concentration, and then add water to achieve the flavor comparison of the same amount of water. The operation mode is as follows: 1. According to the extraction method of our products, extraction
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Talking about the special treatment method | the story or taste is important? Is the special treatment coffee good?
Professional coffee knowledge exchange more coffee bean information please follow the coffee workshop (Wechat official account cafe_style) editor! I'm telling you, I recently drank a bean specially treated by XX fermentation, which is really special! The enthusiastic sharing partner said happily that it didn't taste like coffee at all! Like red wine, like nothing like coffee? The editor has mixed feelings in his heart.
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