Identification of Odorous Compounds in Heated Swine Feces
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概要
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Odorous compounds in heated swine feces were isolated by means of vacuum distillation under frozen state in o der to identify the odorous substances evolved from a hot-air drier of swine feces. Identification and quantification of odorous components were carried out by gas chromatographymass spectrometry and gas chromatography, respectively. Raw swine feces were also analyzed as a control. The most important compounds for malodor were various kinds of alkylpyrazines which were newly produced during heating. Large decreases of fatty acids and indoles and increases of alcohols were observed in heated feces. Quantities ofphenols and methyl ketones were not changed significantly by heating.
著者
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YASUHARA Akio
Division of Chemistry and Physics, National Institute for Environmental Studies
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FUWA Keiichiro
Division of Chemistry and Physics, National Institute for Environmental Studies
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JIMBU Masayuki
Department of Animal Genetics, National Institute of Animal Industry
関連論文
- Identification of Odorous Compounds in Heated Swine Feces
- Variation in Concentration of Odorous Components of Pig Feces with Growth
- Cyclo-octasulfur in swine manure.
- Quantification of phenols in gas from rotten liquid swine manure by computer-controlled gas chromatography-mass spectrometry.
- Odor and volatile compounds in liquid swine manure. II. Steam-distillable substances.