Table 1 The absolute threshold values and weber fraction of sucrose in different concentrations of citric acid solutions.

From: Sensory sweetness and sourness interactive response of sucrose-citric acid mixture based on synergy and antagonism

Name

Concentration of citric acid, %

0

0.008

0.009

0.010

0.011

0.012

Absolute threshold, %

0.424

0.474

0.524

0.574

0.624

0.624

Weber fraction*, %

20.5

25.8

28.6

30.8

32.5

33.0

  1. *The weber fraction is the ratio of difference threshold and original stimulus concentration.
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