Abstract：
OBJECTIVE:Taste sensitivity is one of the most important biological determinants of food choice. Three SNPs of the TAS2R38 gene (rs713598, rs1726866, and rs10246939) give rise to two common haplotypes: PAV and AVI. These haplotypes, as well as an SNP within the CA6 gene (rs2274333) that encodes carbonic anhydrase VI (CA6), correlate with bitterness perception. The extent of consumption of bitter food may influence some health outcomes. The aim of this study is thus to investigate the impact of the TAS2R38 and CA6 genetic polymorphisms on the choice of bitter food, BMI, blood lipoprotein, and glucose concentrations as well as systemic inflammation in elderly women. METHODS:The associations between the TAS2R38 diplotype, CA6 genotype, and the intake of bitter-tasting foods were studied in a group of 118 Polish women over 60 years of age. The intake of Brassica vegetables, grapefruit, and coffee was assessed using a food frequency questionnaire. Biochemical parameters were measured using the spectrophotometric method. Genotyping was performed using the high resolution melting method. RESULTS:We found a correlation between lipid profile, glucose and CRP levels, and frequency of bitter food intake. The AVI/AVI subjects drank coffee more frequently than did the PAV/PAV homozygotes, as did the A carriers of CA6 in comparison with the GG homozygotes. We also observed that simultaneous carriers of the PAV haplotype and A allele of TAS2R38 and CA6, respectively, choose white cabbage more frequent and had lower plasma levels of CRP and glucose than did AVI/AVI and GG homozygotes. CONCLUSIONS:In elderly women, the TAS2R38 and CA6 polymorphisms may affect the frequency of consumption of coffee and white cabbage, but not of other bitter-tasting foods.
journal_name
Appetitejournal_title
Appetiteauthors
Mikołajczyk-Stecyna J,Malinowska AM,Chmurzynska Adoi
10.1016/j.appet.2017.04.029subject
Has Abstractpub_date
2017-09-01 00:00:00pages
57-64eissn
0195-6663issn
1095-8304pii
S0195-6663(16)30736-Xjournal_volume
116pub_type
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