In a space that currently contains 160 odorants, the greatest distance between any two odorants is approx. 183.33 Arbitrary units (AU), and the smallest distance is approx. 0.385 AU.
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Directions: Select two chemicals and press the “is” button to obtain the perceptual distance between them.
Click here to view odor-maps on the rat olfactory bulb
Click here to view links between odors and the receptors that bind them
* Verbal descriptors best fit mixtures made of many different molecules rather than the neat molecules represented here.
* The odor-space computations presented here are described in detail in Khan et al., 2006
* The raw data for the computations is from Dravnieks, 1985
* This applet was built using Ptolemy Ptplot