Scientists Discover New Taste Beyond the 5 We Know

There are five recognized tastes we can detect, but scientists think they’ve discovered a mechanism by which we can detect a sixth.
Scientists Discover New Taste Beyond the 5 We Know
Taste-bud receptors on the tongue. Nemes Laszlo/Shutterstock
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We all know the five basic tastes that our tongues can detect: sweet, salty, sour, bitter, and umami (the savory taste of monosodium glutamate, or MSG). However, new research has found that there’s a sixth basic taste that we’re capable of perceiving.

It’s Found in Salt Licorice

The study, published in early October in Nature Communications, found that the tongue can respond to ammonium chloride through the same protein receptor that signals a sour taste, according to neuroscientist Emily Liman and her team.

“If you live in a Scandinavian country, you will be familiar with and may like this taste,” Ms. Liman said in a statement.

George Citroner
George Citroner
Author
George Citroner reports on health and medicine, covering topics that include cancer, infectious diseases, and neurodegenerative conditions. He was awarded the Media Orthopaedic Reporting Excellence (MORE) award in 2020 for a story on osteoporosis risk in men.
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