An alternative model of olfactory quantitative interaction in binary mixtures

The “vectorial model” proposed in 1973 by Berglund et al. certainly constitutes an important progress in the field of olfactory quantitative interaction. An alternative model called “U model”, based also upon perceived odorous intensity of a mixture as a function of perceived odorous intensity of the components, is here presented. The “U model” fits the experimental data of Cain and Drexler (1974) and of Cain (1975) slightly better than the “vectorial model”.