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Possible factors of coffee sour

Published: 2025-08-21 Author: World Gafei

Last Updated: 2025/08/21, The possible factor that coffee is sour is that coffee is one of the characteristics of coffee. The sour taste of high-quality coffee will not be offensive. But the sour taste has reached an unacceptable level, so this acid is inferior acid. There may be the following reasons: 1, the baking degree of beans is too shallow, it may be that the baker's preference for acidity is beyond your tolerance, or it may be that the roasting itself has failed; 2. Coffee

Sour is one of the major characteristics of coffee. The sour taste of high-quality coffee will not be offensive. But the sour taste has reached an unacceptable level, so this acid is inferior acid. There may be several reasons:

1. The baking degree of beans is too shallow, maybe the baker's preference for acidity is more than you can bear, or it may be that the baking itself failed.

2. Coffee beans have been kept for too long. They have been kept for a long time before they are sold or long after you buy them back. The expired beans will show signs of sour.

3. The degree of grinding is too coarse, which results in insufficient extraction and sour taste in the process of making coffee.

4. The water temperature is too low (but you say it is American, American coffee machine generally does not have the phenomenon of too low water temperature)

5. Let the coffee cool after making it, and the cold coffee will highlight the sour taste of the coffee

6. Cool after adding sugar, which highlights the sour taste.

Very cool article!