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Life Sciences

Clemson University

2012

Temperature

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Effect Of Temperature On Sensing Intensity Of Basic Tastes: Sweet, Salty And Sour, Keri Lipscomb Aug 2012

Effect Of Temperature On Sensing Intensity Of Basic Tastes: Sweet, Salty And Sour, Keri Lipscomb

All Theses

Twenty semi-trained subjects determined the effect of temperature on basic tastes sweet, salty and sour. The sensory evaluations were performed on each basic taste and on various combinations of the three tastes at serving temperatures 3, 23 and 60¡C. A single intensity level was used for all sensory evaluations and 3 replications of each panel were performed. Results from the panels provided some evidence of temperature affect, both when evaluated singularly and in combination.
The perceived intensity of some sweet and sour samples was affected by a change in temperature. Sensing intensity of the salty samples was not significantly affected …


Predicting The Physiological Performance Of Ectotherms In Fluctuating Thermal Environments, Michael W. Sears, A C. Niehaus, M J. Angilletta, C E. Franklin, R S. Wilson Feb 2012

Predicting The Physiological Performance Of Ectotherms In Fluctuating Thermal Environments, Michael W. Sears, A C. Niehaus, M J. Angilletta, C E. Franklin, R S. Wilson

Publications

Physiological ecologists have long sought to understand the plasticity of organisms in environments that vary widely among years, seasons and even hours. This is now even more important because human-induced climate change is predicted to affect both the mean and variability of the thermal environment. Although environmental change occurs ubiquitously, relatively few researchers have studied the effects of fluctuating environments on the performance of developing organisms. Even fewer have tried to validate a framework for predicting performance in fluctuating environments. Here, we determined whether reaction norms based on performance at constant temperatures (18, 22, 26, 30 and 34°C) could be …