Differences in taste detection thresholds between normal-weight and obese young adults.

Acta Otolaryngol

Department of Obstetrics and Gynecology, St Vincent's Hospital, The Catholic University of Korea, School of Medicine, Suwon.

Published: May 2015

AI Article Synopsis

  • Obese young adults have a higher taste threshold for salty flavors compared to their normal-weight peers, indicating a potential difference in taste perception.
  • The study involved 41 participants, measuring taste thresholds using electrogustometry and chemical solutions, revealing significant differences based on body mass index (BMI).
  • Smoking negatively affects taste function, as smokers exhibited higher thresholds for various tastes, confirming that both obesity and smoking play roles in altering taste sensitivity.

Article Abstract

Conclusion: Compared with normal-weight individuals, obese young adults exhibited a significantly higher taste threshold for salty taste. Smoking also affected taste functions in this population.

Objective: The aim of this study was to investigate the differences in taste detection thresholds between normal-weight and obese young adults.

Methods: Taste threshold was measured using electrogustometry (EGM) and chemically with sucrose, NaCl, citric acid, and quinine hydrochloride in 41 volunteers in their twenties, 23 with body mass index (BMI) <23 kg/m(2) (normal-weight group) and 18 with BMI >25 kg/m(2) (obese group).

Results: BMI was significantly higher in the obese than in the normal-weight group (p < 0.05). The obese group exhibited significantly higher EGM thresholds than the normal-weight group on the right (p < 0.05) and left (p < 0.05) posterior tongue. In chemical taste tests, the obese group had higher thresholds for sweet, salty, sour, and bitter tastes than the normal-weight group, although the difference in threshold was significant only for salty taste (p < 0.05). Smoking had an impact on taste threshold, with smokers having higher thresholds than non-smokers, with significantly higher EGM thresholds on the right anterior and posterior and the left anterior tongue (p < 0.05 each).

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Source
http://dx.doi.org/10.3109/00016489.2014.975370DOI Listing

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