Park, Dong Choon; Yeo, Joon Hyung; Ryu, In Yong; Kim, Sang Hoon; Jung, Junyang; Yeo, Seung Geun
Acta oto-laryngologica
2015May ; 135 ( 5 ) :478-83.
PMID : 25739740
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Park, Dong Choon -
Yeo, Joon Hyung -
Ryu, In Yong -
Kim, Sang Hoon -
Jung, Junyang -
Yeo, Seung Geun -
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).
keyword
Electrogustometry; chemical taste test; salty taste; smoking
MESH
Adult, Body Mass Index, Female, Food Preferences/psychology, Humans, Male, Obesity/*psychology, Smoking/adverse effects/psychology, Statistics as Topic, *Taste Threshold, Young Adult
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