26.04.23
Smells – our perception of smell and how we can influence it
An odor is caused by one or more volatilized chemical compounds, generally present in low concentrations. Depending on the perception, the odor is called "scent" or "stench". We can influence odors by chemically or enzymatically transforming the chemical compounds or by reducing their concentration in the air by physically binding them in or to a medium. Furthermore, it is also possible to mask bad odors with pleasant odors (in the form of a perfume or fragrance).
Summary
An odor is described as a signal caused by one or more volatilized chemical compounds, which are generally present in low concentrations in the air as a so-called volatile substance or simplified as VOC (volatile organic compound).
An odor signal is an individual interpretation of sensory excitation, which in mammals is transmitted by chemical receptors in the nasal region as an electrochemical signal to the brain of a higher living being.
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