+Sour taste, one of the five [basic tastes](/wiki/basic_tastes), signals the presence of [acids](/wiki/Acids) in food and drink. This sharp sensation, often accompanied by a puckering feeling, helps organisms identify unripe fruits and potential toxins.
+## See also
+- [Taste](/wiki/Taste)
+- [Taste Buds](/wiki/Taste_Buds)
+- [Bitter Taste](/wiki/Bitter_Taste)
... 1 more lines