Mechanism and Regulation of Body Malodor Generation (1)-Effect of Iron on Axillary Malodor and of Anti-Oxidant on Deodorant-:Effect of Iron on Axillary Malodor and of Anti-Oxidant on Deodorant
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We evaluated axillary malodor extracted from 66 adult men to identify their key compounds so that deodorants can be formulated to be more effective against them. Using sensory evaluation, we classified the malodors into five groups. Using GC/MS and GC/Olfactory analysis, we identified two key compounds: the vinyl ketones 1-octen-3-one (OEO) and cis-1, 5-octadien-3-one (ODO). Both have a very strong metallic odor and a very low odor threshold. Examination of their generation mechanism revealed that the iron and the unsaturated fatty acids in the living body were related. Morus alba was found to repress the generation of these vinyl ketones due to its remarkable anti-oxidization effect.
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