Differing forms of taste genes mean that we all live in our own unique taste world
Why do brussels sprouts taste bitterly repellent to one person and bland - or even delicious - to the next? A study published in the February 22 issue of Current Biology confirms the influential role of genetics in determining the wide range of human sensitivity to taste, ultimately impacting how we each perceive the world in a slightly different way.
"Each human carries their own distinctive set of taste receptors which gives them a unique perception of how foods and medicines taste," explains Monell Chemical Senses Center psychophysicist Paul Breslin, PhD, who shares first authorship and is a corresponding contributor for the study. "This paper shows that a single gene codes for multiple forms of a taste receptor, with each form having a differing sensitivity to taste compounds. Further, a persons perceptual sensitivity to these bitter tasting compounds corresponds strikingly well with their genetically-determined receptor sensitivity."
Paul Breslin | EurekAlert!
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