Analysis of human body odor components adhered to clothes, and the influence which an unpleasant odor has on comfortable sensation.

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In this study, we analyzed human body odor components adhered to clothes by gas chromatography-mass spectrometry (GC/MS) and the thermal desorption system. Furthermore, we investigated the influence that the body odor components gave to a body. More than 50 kinds were detected by night clothes or pillowcases, and the aldehyde compounds ( n-octanal, n-nonanal, trans-2-nonenal, n-decanal ) increased temporally. In the olfactory sensory evaluation, the old and middle aged men felt strength and oily of own body odor than younger men, these are associated with the aldehyde components production. As for the bacteria detected in the skin surface, the most of then were Staphylococcus epidermidis.