carbonated beverages trigger the genes responsible for pain, which is why 'pinch' as spicy mustard
orange nose and aerated in the same trigger painful sensations in the mouth that are caused by chili, mustard and ginger:
to a new study conducted by a team of researchers at the University of Southern California (USA) led by neurobiologist Emily Liman and published in the Journal of Neuroscience that would be the carbon - that is, the process-based carbon dioxide effervescence responsible for these drinks - to trigger the sensation of pain sensors in the nasal cavity and throat.
"The carbonation evokes two distinct feelings: it makes things acidic and causes seem to burn - says Liman -. We have all experienced the feeling Intense tingling when
fizzy drinks go down too fast by the throat. The cells that respond to carbon dioxide are the same as that detect the spicy hot mustard. "These cells express the TRPA1 gene and serve as sensors of pain in general.
The gene, however, provides only one aspect of sensory experience of carbonation, that of feeling like the pain, the researchers said, another study had shown previously that to convey the feeling of acidity are some cells on the tongue.
Source: AGI / APC-Science
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