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Open AccessArticle

A Study on the Relationship between Type 2 Diabetes and Taste Function in Patients with Good Glycemic Control

1
Department of Clinical Sciences, Section of Biochemistry, Biology and Physics, Università Politecnica delle Marche, Via Tronto 10/A, 60126 Ancona, Italy
2
Department of Clinical Sciences, School of Specialization in Clinical Nutrition, Università Politecnica delle Marche, Via Tronto 10/A, 60126 Ancona, Italy
3
Diabetology Department, IRCCS INRCA, Via della Montagnola 81, 60127 Ancona, Italy
4
Department of Life and Environmental Sciences, Università Politecnica delle Marche, Via Brecce Bianche, 60131 Ancona, Italy
5
Department of Experimental and Clinical Medicine, Università Politecnica delle Marche, Via Tronto 10/A, 60126 Ancona, Italy
*
Author to whom correspondence should be addressed.
These authors equally contributed to this work.
Nutrients 2020, 12(4), 1112; https://doi.org/10.3390/nu12041112
Received: 28 February 2020 / Revised: 11 April 2020 / Accepted: 13 April 2020 / Published: 16 April 2020
(This article belongs to the Special Issue Taste Perception and Food Preferences)
Type 2 diabetes mellitus (T2DM) has a very high impact on quality of life as it is characterized by disabling complications. There is little evidence about taste alterations in diabetes. Since many individual factors are involved in the onset of diabetes, the purpose of our study is to search a possible link between diabetes and individual taste function. Thirty-two participants with T2DM and 32 volunteers without T2DM (healthy controls) were recruited. Four concentrations of each of the four basic tastes (sweet, sour, salty, bitter), and pure rapeseed oil and water, were applied with cotton pads to the protruded tongue, immediately posterior to its first third, either to the left or right side. The results showed significant differences between groups in the ability to recognize sour, bitter, sweet, and water. Taste scores were lower in subjects with T2DM than in healthy controls, and an age-related decline in taste function was found. The taste function reduction associated with T2DM was not related to gender, disease duration, and glycemic control. In conclusion, it can be hypothesized that a general alteration of taste function can lead patients with type 2 diabetes to search for foods richer in sugars, as in a vicious circle, thus decreasing the likelihood of remission of diabetes mellitus. View Full-Text
Keywords: diabetes; taste function; gender; food preferences diabetes; taste function; gender; food preferences
MDPI and ACS Style

Pugnaloni, S.; Alia, S.; Mancini, M.; Santoro, V.; Di Paolo, A.; Rabini, R.A.; Fiorini, R.; Sabbatinelli, J.; Fabri, M.; Mazzanti, L.; Vignini, A. A Study on the Relationship between Type 2 Diabetes and Taste Function in Patients with Good Glycemic Control. Nutrients 2020, 12, 1112. https://doi.org/10.3390/nu12041112

AMA Style

Pugnaloni S, Alia S, Mancini M, Santoro V, Di Paolo A, Rabini RA, Fiorini R, Sabbatinelli J, Fabri M, Mazzanti L, Vignini A. A Study on the Relationship between Type 2 Diabetes and Taste Function in Patients with Good Glycemic Control. Nutrients. 2020; 12(4):1112. https://doi.org/10.3390/nu12041112

Chicago/Turabian Style

Pugnaloni, Sofia; Alia, Sonila; Mancini, Margherita; Santoro, Vito; Di Paolo, Alice; Rabini, Rosa A.; Fiorini, Rosamaria; Sabbatinelli, Jacopo; Fabri, Mara; Mazzanti, Laura; Vignini, Arianna. 2020. "A Study on the Relationship between Type 2 Diabetes and Taste Function in Patients with Good Glycemic Control" Nutrients 12, no. 4: 1112. https://doi.org/10.3390/nu12041112

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