Filter Coffee Pdf | The Physics Of

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The core of filter coffee physics lies in . As water moves through the coffee grounds, it acts as a solvent, pulling soluble compounds—acids, sugars, and oils—out of the cellular structure of the bean. Gagné explains that this isn't uniform; the water follows the path of least resistance. This leads to the "channeling" effect, where water bypasses large sections of coffee, resulting in a cup that is simultaneously sour (under-extracted) and bitter (over-extracted). The Role of the Filter The Physics Of Filter Coffee Pdf