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FISIOLOGIA
      DEL GUSTO




                 Mara Fabri
Dipartimento di Medicina Sperimentale e Clinica
Università Politecnica delle Marche, Ancona
Sapori         Significato
fondamentali   biologico

dolce          contenuto energetico
salato         equilibrio elettrolitico
acido          equilibrio acido-base
amaro          evitamento sostanze tossiche
umami          contenuto proteico
grasso         contenuto lipidico
SOGLIA DI    SOGLIA DI
               PERCEZIONE   RICONOSCIMENTO

Saccarosio       6 mM       22 mM
Acido citrico               2 mM
Cloruro di sodio            10 mM
Chinino                     0,008 mM
Stricnina                   0,0001 mM
RECETTORI GUSTATIVI
Meccanismi
di trasduzione
solco centrale

         SI, rappresentazione tattile della lingua



         area GI




         solco laterale
neutro
salato                    insula
salato, stimolazione a sinistra


contra                     ipsi
salato                     grasso




         salato   grasso
GRAZIE PER L’ATTENZIONE

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Fisiologia del gusto - Prof Mara Fabri

  • 1. FISIOLOGIA DEL GUSTO Mara Fabri Dipartimento di Medicina Sperimentale e Clinica Università Politecnica delle Marche, Ancona
  • 2. Sapori Significato fondamentali biologico dolce contenuto energetico salato equilibrio elettrolitico acido equilibrio acido-base amaro evitamento sostanze tossiche umami contenuto proteico grasso contenuto lipidico
  • 3. SOGLIA DI SOGLIA DI PERCEZIONE RICONOSCIMENTO Saccarosio 6 mM 22 mM Acido citrico 2 mM Cloruro di sodio 10 mM Chinino 0,008 mM Stricnina 0,0001 mM
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  • 19. solco centrale SI, rappresentazione tattile della lingua area GI solco laterale neutro salato insula
  • 20. salato, stimolazione a sinistra contra ipsi
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  • 29. salato grasso salato grasso