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Bitter or sweet? The same taste bud can tell the difference

(they plan to do that next), Herness thinks that CCK may override NPY during a bitter sensation, while NPY may override CCK during a sweet sensation.

Sour and salty ?the two other dominant tastes ?seem to work in totally different ways than sweet and bitter, Herness said.

The researchers would eventually like to figure how these work, too, but for now their next step is to apply bitter and sweet stimuli to taste bud cells that contain both NPY and CCK and see how each peptide reacts.

Herness conducted the study with Fang-li Zhao, a postdoctoral researcher in dentistry at Ohio State; Yu Cao, a graduate student in neuroscience also at Ohio State; and Tiansheng Shen and Namik Kaya, both with the University of Maryland.


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Source:Ohio State University


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