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If caffeine is an alkaloid, why is coffee acidic?

Discussion in 'Chemistry' started by Dela Corte, Oct 8, 2018.

  1. Dela Corte

    Dela Corte Guest

    I have just put together on my mind these two facts: caffeine is an alkaloid and brewed coffee is slightly acidic (pH = 5).

    My Biology teacher and my Chemistry teacher could not elaborate satisfying answers, but my Physics teacher said it could be because of substances to the industrial coffee powder (hillbillies in Brazil, for instance, do not display gastritis attained from too much coffee).

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