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The taste bud cell then sends the “Mmmm, salty!” message onward to the brain. The pleasantly salty taste sensation is detected by sodium-sensing cells within taste buds on the tongue.
Exactly how our taste buds sense the two kinds of saltiness is a mystery that’s taken some 40 years of scientific inquiry to unravel, and researchers haven’t deciphered all of the details yet.
Researchers at the University of North Carolina (UNC) at Chapel Hill School of Medicine have revealed the detailed structure of the bitter taste receptor, a protein called TAS2R14, and have shown ...
“But the mechanism for stimulating the taste buds is completely different in Sugarware,” Xu says: it uses texture and taste-bud-stimulating molecules rather than electricity.
The taste bud diagram, used in many textbooks over the years, originated in a 1901 study but was actually showing the sensitivity of different areas of the tongue.