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The nauseating taste of bitter
Date:4/11/2011

ter taste, as sweet, salty or umami taste did not cause nausea.

To illustrate how bitter taste affected gastric motility the rhythm of stomach muscular activity the researchers first simulated motion-related nausea. Stomach motor activity was recorded from subjects sitting in a drum with vertical black stripes painted inside while the drum rotated around their heads. All but one were strongly nauseated.

The scientists then measured stomach activity from 23 subjects who were holding SOA in their mouths. Individuals who described feeling nauseous also had a pattern of stomach activity that was very similar to that recorded from those in the drum.

"This is a wonderful example of what is called 'the wisdom of the body,'" said Breslin. "The findings show that taste detects toxins before they enter our bodies. Further, their ingestion is punished by the feeling of nausea and our gastric function is disturbed to minimize their entry into our blood."

Future studies will explore the effectiveness of bitter blockers in reducing nausea in clinical populations.


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Contact: Leslie Stein
stein@monell.org
267-519-4707
Monell Chemical Senses Center
Source:Eurekalert

Page: 1 2

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