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Recent discoveries of human taste and odor receptors offer another route to discovery. Receptors can be reconstructed in cell lines that can be used for rapid screening of large numbers of taste or odor compounds, says Robert G. Eilerman, senior vice president for flavor R&D at Givaudan Flavors, Cincinnati. Receptors sensitive to heat and cold are also of interest, as are fat receptors that signal satiation. "This approach is potentially a better way to identify materials that elicit specific effects," he adds.
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