Trans-2-nonenal (Elderly Body Odor / Old man smell/ old person smell)
Trans-2-nonenal is one of the unsaturated aldehydes expressed by the chemical formula C9H16O.
Nonenal is one of the components of aging odor in elderly body odor. It is considered as a result of a metabolic process after the fifty in man, and after the menopause in woman.
Natural oils in the skin in elder people are the source of nonenal generation as a result of their metabolic process.