Analysis of Odor in Bedroom

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  • HANIHARA Hiroyuki
    Lion Corporation, Research & Development Headquarters, Analytical Technology Research Center
  • TSUTSUI Takuya
    Lion Corporation, Research & Development Headquarters, Analytical Technology Research Center
  • KON Ryo
    Lion Corporation, Research & Development Headquarters, Analytical Technology Research Center

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Other Title
  • 寝室にこもるニオイの解析
  • シンシツ ニ コモル ニオイ ノ カイセキ

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Abstract

Within a house, there are usually small amounts of drifing odors. Certain chemical compounds, such as methyl mercaptan, trimethylamine and indole, are generally known as the key compounds of the feces-and-urine odor of restrooms and the garbage odor of the kitchen. However, details about the odor ingredients of the bedroom have not yet been reported, and such an odor is often mentioned with "the feeling of a muffled odor" according to the words of most people questioned. In this study, we utilized four kinds of passive-type solid-phase micro extractions (SPME) that would be easy for the subjects of this research. We also combined those devices with a gas chromatography spectrometer (GC-MS) to analyze the actual situation of the odors in some family bedrooms. As a result, we identified C2-9 fatty acids, C9-10 aldehydes, and methyl ketone as common components of the odor in all family bedrooms. Since these components were also detected from pillow cases and underwear that had been used by a family, we assumed that the actual situation of the odor in the bedroom was caused by compounds formed by the oxidative decomposition of unsaturated sebum attached to the used bedclothes.

Journal

  • BUNSEKI KAGAKU

    BUNSEKI KAGAKU 62 (3), 207-213, 2013

    The Japan Society for Analytical Chemistry

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