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. 2013 Sep 9;8(9):e74151. doi: 10.1371/journal.pone.0074151

Figure 1. Relationship between PROP phenotype and gustin gene and TAS2R38 polymorphisms.

Figure 1

PROP threshold (A) and bitterness intensity ratings (3.2 mM) (B) of individuals with genotypes AA, AG and GG of gustin (CA6) polymorphism rs2274333 (A/G), and of individuals with genotypes PAV/PAV, PAV/AVI and AVI/AVI of TAS2R38. All values are mean (± SEM). n=63. Different letters indicate significant difference (p≤0.0471; Newman-Keuls test subsequent to main effects ANOVA).