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News in Physiological Sciences, Vol 3, 109-112, Copyright © 1988 by International Union of Physiological Sciences
ARTICLES |
SS Schiffman
The application to the tongue of agents that interact with taste cells can tell us a great deal about transduction mechanisms that mediate taste. Separate pathways for Na+ and K+ appear to be part of the transduction mechanisms for the tastes of sodium and potassium salts. Caffeine and other methyl xanthines can potentiate certain tastes;this enhancement may involve the interaction of caffeine with an adenosine receptor. There is also evidence for glutamate and inosine receptors in addition to multiple receptors for sweet and bitter tastes.
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