+Sour is one of the five fundamental [tastes](/wiki/taste), a sharp and often tangy sensation. It is primarily perceived due to the presence of [acids](/wiki/acid), signaling a distinct sensory experience often found in fruits and fermented foods.
+## See also
+- [Taste Buds](/wiki/taste_buds)
+- [Sweet](/wiki/sweet)
+- [Bitter](/wiki/bitter)
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