11 Feb '18, 9pm

How coffee extraction works

How coffee extraction works

Having trouble getting that perfect shot or cup of coffee? This guide is here to explain how coffee brewing works and to give you tips to improve your coffee extractions. Water: The Universal Solvent To make any coffee drink, we take ground coffee and add water. Why water? Mostly because water is an amazing solvent. On a molecular level, it has a polar arrangement – two hydrogen atoms with their positive electrical charge on one side, and one oxygen atom with its negative charge on the other. This makes it super attractive to a wide variety of molecules; it’s so attractive in fact, it will pull apart the bonds of other molecules, causing them to dissolve into the water. If you heat the water, all of its molecules will begin to move around quickly, making it an even more efficient solvent. When you mix water and coffee, the water will dissolve the different flavor compounds...

Full article: https://clivecoffee.com/2017/03/how-coffee-extraction-works/

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