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The Relationships Between Common Measurements of Taste Function
Jordannah Webb1, Dieuwerke P Bolhuis1, Sara Cicerale1
1Centre for Advanced Sensory Science, School of Exercise and Nutrition Sciences, Deakin University, 221 Burwood Highway, Burwood, Victoria 3125 Australia.
Chemosensory Perception
|June 26, 2015
Summary
Human taste perception is complex, with different measures like detection thresholds and intensity ratings rarely correlating. This suggests no single test can fully capture an individual's overall sense of taste.
Area of Science:
- Sensory science
- Human physiology
- Taste perception
Background:
- Five common measures assess human taste function: detection and recognition thresholds (DT/RT), suprathreshold intensity ratings, PROP bitterness intensity, and fungiform papillae (FP) count.
- These measures are often considered independent indicators of taste sensitivity.
Purpose of the Study:
- To investigate the interrelationships between five distinct measures of human taste function.
- To determine if a single measure can represent the global sense of taste.
Main Methods:
- Assessed taste function in 65 women using detection and recognition thresholds, suprathreshold intensity ratings, PROP bitterness intensity, and FP count.
- Calculated Pearson correlation coefficients to analyze relationships between the different taste measures.
Main Results:
- Detection and recognition thresholds correlated positively for sweet, bitter, sour, and umami, but not salt.
- Thresholds did not correlate with suprathreshold intensity ratings, except for umami.
- Fungiform papillae number and PROP bitterness intensity ratings showed minimal correlation with other taste measures.
Conclusions:
- Most individual taste measures are not correlated, except for detection and recognition thresholds.
- This indicates multiple perceptual phases of taste.
- No single measure can globally represent an individual's sense of taste.
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