Referenzgeruchstoffen

Referenzgeruchstoffen, often translated as reference odorants or calibration odorants, are standardized substances used in olfaction research and sensory evaluation. Their primary purpose is to provide a consistent and measurable baseline for evaluating the detection or recognition of odors. These substances are carefully selected and purified to ensure high quality and reproducibility.

The use of reference odorants allows researchers to compare the olfactory sensitivity of different individuals or to track changes in an individual's sense of smell over time. They are often employed in psychophysical experiments where participants are asked to detect or identify specific smells at varying concentrations. This helps in establishing detection thresholds, which represent the lowest concentration of a substance that can be perceived by an individual.

In the field of perfumery and flavor development, reference odorants serve as benchmarks for quality control and product development. They can be used to train sensory panels and to ensure consistency in product aroma profiles. For instance, a perfumer might use a specific reference odorant to train evaluators on what a particular floral note should smell like.

The selection of reference odorants depends on the specific application. Common examples include iso-e-super for woody notes, vanillin for sweet vanilla notes, and various esters for fruity scents. Their reliability and well-defined olfactory properties make them indispensable tools in the scientific study and practical application of olfaction.