There are five official taste profiles: sweet, salty, sour, bitter, and umami. Sourness is a taste detects acidity. The tart flavors of lemon and lime are great examples of this mouth puckering sensation. Fermented foods like yogurt and pickles also have that sour taste.
The Little Epicurean is a Los Angeles-based recipe blog featuring from-scratch baking, decadent dessert, and unique cocktails.