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Table 4 Concentrations of taste test solutions

From: Association of phenylthiocarbamide perception with anthropometric variables and intake and liking for bitter vegetables

  Sweet Umami Salty Sour Bitter
Score Sucrose (mM) MSG (mM) Sodium chloride (mM) Citric acid (mM) PTC (μM) Quinine (μM) Sinigrin (μM)
1 1.2 3.0 3.9 1.2 0.7 9.4 50
2 2.3 7.5 7.8 2.3 3.5 18.7 100
3 4.7 15.0 15.6 4.7 14 37.5 300
4 9.4 30.0 31.3 9.4 56.2 75 600
5 18.8 60.0 62.5 18.7 112.5 150
6 37.5 120.0 125.0 37.5 225 300
7 75.0 250.0 75.0 900
8 150.0 500.0
  1. MSG monosodium glutamate, PTC phenylthiocarbamide