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TAS1R1 and TAS1R3 Polymorphisms Relate to Energy and Protein-Rich Food Choices from a Buffet Meal Respectively

1
Centre for Nutrition and Food Sciences, Queensland Alliance for Agriculture and Food Innovation, The University of Queensland, St. Lucia QLD 4072, Australia
2
Interdisciplinary Centre Smell and Taste, Department of Otorhinolaryngology, Technische Universität Dresden, Fetscherstrasse 74, 01307 Dresden, Germany
3
School of Exercise and Nutritional Sciences, Centre for Advanced Sensory Science, Deakin University, Burwood VIC, 3126, Australia
*
Author to whom correspondence should be addressed.
Nutrients 2018, 10(12), 1906; https://doi.org/10.3390/nu10121906
Received: 4 November 2018 / Revised: 28 November 2018 / Accepted: 30 November 2018 / Published: 4 December 2018
Eating behaviour in humans is a complex trait that involves sensory perception. Genetic variation in sensory systems is one of the factors influencing perception of foods. However, the extent that these genetic variations may determine food choices in a real meal scenario warrants further research. This study investigated how genetic variants of the umami taste receptor (TAS1R1/TAS1R3) related to consumption of umami-tasting foods. Thirty normal-weight adult subjects were offered “ad libitum” access to a variety of foods covering the full range of main taste-types for 40 min using a buffet meal arrangement. Buccal cell samples were collected and analysed for six single nucleotide polymorphisms (SNPs) reported previously related to the TAS1R1/TAS1R3 genes. Participants identified with the CC alleles of the TAS1R3 rs307355 and rs35744813 consumed significantly more protein from the buffet than T carriers. In addition, participants with GG genotype of the TAS1R1 SNP rs34160967 consumed more fat and calories as compared to the genotype group having the A alleles. In summary, these findings revealed a link between the SNPs variations of umami taster receptor gene and fat and protein intake from a buffet meal. View Full-Text
Keywords: umami taste receptor; single nucleotide polymorphisms; food consumption; buffet meal umami taste receptor; single nucleotide polymorphisms; food consumption; buffet meal
MDPI and ACS Style

Han, P.; Keast, R.; Roura, E. TAS1R1 and TAS1R3 Polymorphisms Relate to Energy and Protein-Rich Food Choices from a Buffet Meal Respectively. Nutrients 2018, 10, 1906. https://doi.org/10.3390/nu10121906

AMA Style

Han P, Keast R, Roura E. TAS1R1 and TAS1R3 Polymorphisms Relate to Energy and Protein-Rich Food Choices from a Buffet Meal Respectively. Nutrients. 2018; 10(12):1906. https://doi.org/10.3390/nu10121906

Chicago/Turabian Style

Han, Pengfei; Keast, Russell; Roura, Eugeni. 2018. "TAS1R1 and TAS1R3 Polymorphisms Relate to Energy and Protein-Rich Food Choices from a Buffet Meal Respectively" Nutrients 10, no. 12: 1906. https://doi.org/10.3390/nu10121906

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