Table 3.

Statistically significant associations between TAS genes polymorphisms and wine descriptors.

Bitterness				Czech Republic			Italy			Czech Republic and Italy
Chr.7	Gene	SNP	Model	Coef.	95% CI	P-value	Coef.	95% CI	P-value	Coef.	95% CI	P-value
	TAS2R38	rs10246939	C/T vs C/C	−0.90	(−1.78; −0.01)	0.05	−0.06	(−0.96; 0.84)	0.90	−0.54	(−1.17; 0.09)	0.10
			T/T vs C/C	−1.12	(−2.11; −0.14)	0.03	−0.97	(−1.96; 0.02)	0.06	−1.08	(−1.78; −0.38)	0.003
		rs1726866	T/C vs C/C	−1.06	(−1.94; −0.19)	0.02	−0.07	(−0.97; 0.83)	0.89	−0.63	(−1.27; −0.001)	0.05
			T/C vs C/C	−1.16	(−2.13; −0.18)	0.02	−0.94	(−1.94; 0.05)	0.06	−1.10	(−1.80; −0.40)	0.002
		rs713598	G/C vs C/C	−0.71	(−1.67; −0.26)	0.15	0.08	(−0.87; 1.03)	0.87	−0.34	(−1.02; 0.34)	0.33
			G/G vs C/C	−0.91	(−1.93–0.10)	0.08	−0.51	(−1.51; 0.50)	0.32	−0.75	(−1.46; −0.03)	0.04
Sourness				Czech Republic			Italy			Czech Republic and Italy
Chr.7	Gene	SNP	Model	Coef.	95% CI	P-value	Coef.	95% CI	P-value	Coef.	95% CI	P-value
	TAS2R16	rs6466849	A/G vs G/G	1.20	(0.50; 1.91)	0.001	0.61	(−0.14; 1.35)	0.11	0.94	(0.43; 1.46)	0.0003
			A/A vs G/G	−0.75	(−2.56; 1.05)	0.41	−5.11	(−9.93; 0.28)	0.04	−1.30	(−2.94; 0.34)	0.12
Astringency				Czech Republic			Italy			Czech Republic and Italy
Chr.1	Gene	SNP	Model	Coef.	95% CI	P-value	Coef.	95% CI	P-value	Coef.	95% CI	P-value
	TAS1R2	rs4920566	G/A vs G/G	0.29	(−0.38; 0.96)	0.40	n.a.	n.a.	n.a.	n.a.	n.a.	n.a.
			A/A vs G/G	−1.24	(−1.97; −0.50)	0.001	n.a.	n.a.	n.a.	n.a.	n.a.	n.a.