Abstract
Increasing the temperature from 5 deg to 50 deg C did not significantly alter the relative sweetness of aqueous solutions of dextrose, fructose, and their combination, as measured by the method of magnitude estimation, with a panel of 12 experienced Ss. Reducing pH from 5.8 to 2.7 caused about a 50% reduction in relative sweetness for all stimuli tested. The slopes of these lines tended to decrease slightly, whereas the Y-intercept values showed the greatest change. In all experiments the slopes of the lines were reasonably stable, averaging 1.40 vs 1.3 reported by Stevens (1961) for sucrose. The results of these experiments are discussed in relation to previously reported data on taste interactions.
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This research was carried out under contract between Stanford Research Institute and Corn Products Company. The authors thank Dr. John Garber of Corn Products Company for his support and encouragement and the panel for their cooperation.
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Stone, H., Oliver, S. & Kloehn, J. Temperature and ph effects on the relative sweetness of suprathreshold mixtures of dextrose fructose. Perception & Psychophysics 5, 257–260 (1969). https://doi.org/10.3758/BF03209557
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DOI: https://doi.org/10.3758/BF03209557