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Taste intensity in the Beaver Dam Offspring Study.
Mary E Fischer1, Karen J Cruickshanks, Carla R Schubert
1Department of Ophthalmology and Visual Sciences, University of Wisconsin- Madison, Madison, Wisconsin 53726-2336, USA. fischer@episense.wisc.edu
The Laryngoscope
|April 30, 2013
Summary
Perceived taste intensity varies, with bitter strongest and sweet weakest. Factors like sex, education, smoking, and alcohol consumption influence taste perception in adults.
Area of Science:
- Sensory science
- Human physiology
- Population health
Background:
- Taste perception is crucial for food intake and health.
- Understanding taste intensity distribution and influencing factors is important for public health and nutrition.
Purpose of the Study:
- To determine the distribution of perceived taste intensities (salt, sweet, sour, bitter) in a large population.
- To investigate demographic and lifestyle factors associated with variations in perceived taste intensity.
Main Methods:
- A cross-sectional study of 2,374 adults (mean age 48.8 years) from the Beaver Dam Offspring Study (2005-2008).
- Taste intensity was measured using paper disks and a general labeled magnitude scale.
- Multiple linear regression analysis was used to identify associated factors.
Main Results:
- Mean intensity ratings: bitter (49.6) > sour (35.7) > salt (27.2) > sweet (20.4).
- Females and individuals with lower education levels reported stronger taste intensities.
- Current smoking and lipid-lowering medications were associated with stronger sour and bitter perceptions.
- Alcohol consumption was linked to weaker salt and sweet perceptions, while olfactory impairment correlated with higher sweet intensity.
Conclusions:
- Bitter and sour tastes are perceived most intensely, while sweet tastes are perceived least intensely.
- Sex and education level significantly influence taste perception across all basic tastes.
- Lifestyle factors like smoking and alcohol consumption, as well as medication use and olfactory function, are associated with specific taste intensities.
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