National Sour Candy Day
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Overview
National Sour Candy Day, observed annually on July 18th, is a vibrant celebration dedicated to the delightfully tart and mouth-puckering confections that tantalize taste buds. It's a day for enthusiasts to indulge in their favorite sour treats, discover new varieties, and appreciate the unique sweet-and-sour flavor profiles that range from mildly tangy to intensely acidic, often causing a characteristic "pucker" reaction.
Origin and story
The sour sensation in candies primarily comes from edible acids such as citric acid, malic acid, tartaric acid, and fumaric acid.
Sour Patch Kids, one of the most popular sour candies, were originally created in Canada in the 1970s and first called Mars Men.
Quick facts
- DateJuly 18
- TypeFood / Dessert
- Great forFoodies, Chocolate lovers, Home bakers
Also on this date
Ways to celebrate
The "pucker" from sour candy is your tongue doing exactly what evolution built it to do — sourness is a genuinely ancient warning system, not just a flavor.
Know the actual chemistry behind the pucker
Acids like citric and malic acid release hydrogen ions when they contact saliva, and those ions bind to specialized sour taste receptors on the tongue, sending an electrical signal to the brain that registers as intense sourness.
Meet the candy that pushed the sensation further
Warheads, originally developed in Taiwan in 1975, arrived in the U.S. in 1993 thanks to an Iowa businessman looking to compete in the growing extreme-candy category — its signature delayed punch comes from malic acid encapsulated in hydrogenated palm oil, which releases the sourness gradually instead of all at once.
Read the fuller science
Helpful resources:
Did you know?
Manufacturers were already using citric acid to make fruit-flavored sour candies by the early 20th century, decades before extreme sour candy became its own category.
Fun facts
- The sour sensation in candies primarily comes from edible acids such as citric acid, malic acid, tartaric acid, and fumaric acid.
- Sour Patch Kids, one of the most popular sour candies, were originally created in Canada in the 1970s and first called Mars Men.
- The intense sourness of these candies can temporarily increase saliva production and trigger a "pucker" reflex due to their strong acidic nature.
Sources and attribution
The Mystery — and Evolutionary History — of Sour Taste (The Counter)
External links may lead to third-party websites.
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FAQ
- When is National Sour Candy Day?
- It is observed on July 18 each year.
- What is National Sour Candy Day?
- National Sour Candy Day, observed annually on July 18th, is a vibrant celebration dedicated to the delightfully tart and mouth-puckering confections that tantalize taste buds. It's a day for enthusiasts to indulge in their favorite sour treats, discover new varieties, and appreciate the unique sweet-and-sour flavor profiles that range from mildly tangy to intensely acidic, often causing a characteristic "pucker" reaction.
- How do people celebrate National Sour Candy Day?
- Try some sour candy and consider the science of the pucker — acids release hydrogen ions that trigger the tongue's sour receptors, an ancient evolutionary warning system now repurposed for fun.
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