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Taste acceptability of thickening agents
Christina M Yver1, William P Kennedy1, Natasha Mirza1
1Department of Otorhinolaryngology Head and Neck Surgery, The University of Pennsylvania, Philadelphia, PA, USA.
World Journal of Otorhinolaryngology - Head and Neck Surgery
|August 14, 2018
Summary
Patients with dysphagia often find thickened liquids less appealing. This study found unthickened liquids were preferred, though thickened ginger ale was better tolerated than coffee or water.
Area of Science:
- Otorhinolaryngology
- Nutrition Science
- Food Science
Background:
- Dysphagia necessitates liquid thickening to prevent aspiration.
- Commercial thickeners alter liquid consistency for safe swallowing.
Purpose of the Study:
- To assess the impact of commercial thickeners on the hedonic perception of various liquids.
- Evaluate taste acceptability differences between thickened and unthickened beverages.
Main Methods:
- Forty participants without dysphagia or anosmia rated three unthickened liquids (water, ginger ale, coffee) and their thickened versions.
- Taste acceptability was measured using an 11-point visual analog scale.
Main Results:
- A statistically significant preference for unthickened liquids was observed across all tested flavors (P < 0.0001).
- Thickened ginger ale received the highest preference among thickened liquid samples.
Conclusions:
- Thickened liquids are perceived as significantly less palatable than their unthickened counterparts.
- Ginger ale may be better tolerated in thickened form compared to coffee or water.
- Healthcare providers should consider the palatability impact of thickeners when advising dysphagia patients.
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