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Organic Acids in Coffee in 95 seconds or less...

One pesky test of the Q exam has to do with Organic Acids and Chemistry of Coffee. In a nutshell (or a coffee husk) we broke down five of the most prevalent acids found in coffee, differentiating between their tastes, and what happens in the roasting process to each of them. The five acids we tested for were Citric, Acetic, Quinic, Malic, and Chlorogenic. We were given a control sample of coffee along with a cup of coffee having the added acid, as a means of comparing. Side-by-side it was easy to differentiate between the control and additive, an easy pass. So here we go... Citric Acid is known for having a sour and fruity taste to it and found in fruits...

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