한국미생물·생명공학회지 (Microbiology and Biotechnology Letters)

  • 제34권4호
  • /
  • Pages.363-367
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  • 2006
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  • 1598-642X(pISSN)
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  • 2234-7305(eISSN)
한국미생물·생명공학회 (The Korean Society for Microbiology and Biotechnology)
권호 표지

음식물 쓰레기 분해에 대한 고온성 미생물의 영향

Effect of Thermophilic Bacteria on Degradation of Food Wastes

  • 이외수 (경북대학교 미생물학과) ;
  • 정지현 (경북대학교 생물건강.농업생명인재양성누리사업단) ;
  • 박유미 (경북대학교 미생물학과) ;
  • 설경조 (경북대학교 미생물학과) ;
  • 김사열 (경북대학교 미생물학과)
  • Yi, Hwe-Su (Department of Microbiology, Kyungpook National University) ;
  • Jeong, Ji-Hyung (Agro-Biotechnology Education Center, NURI, Kyungpook National University) ;
  • Park, Yu-Mi (Department of Microbiology, Kyungpook National University) ;
  • Seul, Keyung-Jo (Department of Microbiology, Kyungpook National University) ;
  • Ghim, Sa-Youl (Department of Microbiology, Kyungpook National University)
  • 발행 : 2006.12.28
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초록

Food wastes were decomposed into the Mugri (Isung Engineering, Korea), a food waste reduction machine, with adding sawdust of cryptomeria. Degradation effects were better when the machine worked at over 45$^{\circ}C$ than those at the lower temperature. Thermophilic bacteria were isolated from cryptomeria sawdust and the food waste products degraded by the machine. The isolates from cryptomeria sawdust were classified into 3 genera (Acinetobacter baumannii, Enterobacter sp. and Erwinia cypripedii) and almost all the isolates from the degraded products were partially identified as Bacillus sp. by 16S rDNA sequence analysis. The isolated thermophilic bacteria showed degradative enzyme activities. In the case of addition of the 30 thermophilic bacteria into the machine, degradation rate of food wastes was almost twice as high with increasing process temperature up to 6$^{\circ}C$.

키워드

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