고온. 호기법에 의한 중화요리잔반의 처리 과정에서의 중.고온균의 분리 및 특성

  • Yang, Jae-Kyung (Department of Biological Science, Korea Advanced Institute of Science and Technology) ;
  • Seo, Yong-Ki (Department of food Science and Technology, KeiMyung University) ;
  • Choi, Kyung-Min (Department of Biological Science, Korea Advanced Institute of Science and Technology) ;
  • Park, Eung-Roh (Department of Biological Science, Korea Advanced Institute of Science and Technology) ;
  • Whang, Key (Department of food Science and Technology, KeiMyung University) ;
  • Lee, Sung-Taik (Department of Biological Science, Korea Advanced Institute of Science and Technology)
  • 양재경 (한국과학기술원 생물과학과) ;
  • 서용기 (계명대학교 식품가공학과) ;
  • 최경민 (한국과학기술원 생물과학과) ;
  • 박응로 (한국과학기술원 생물과학과) ;
  • 황기 (계명대학교 식품가공학과) ;
  • 이성택 (한국과학기술원 생물과학과)
  • Published : 1997.12.01

Abstract

The studies of isolation and physiological characteristics of mesophilic or thermophilic bacteria from thermophilic oxic process (TOP) treating Chinese restaurant wastes were conducted. Chinese restaurant wastes were consist of moisture; 75.8%, solids; 24.2% and ash; 0.49%. The volatile solid was about 99% of total dry solids. In wastes used in this experiment, there was content of crude protein; 4.47%, crude lipid; 3.56%, free sugar, 0.4% , crude starch; 10.34% and crude fiber 3.14%, respectively. And then it has about 4,970 kcal/kg-dry solid of Chinese restaurant wastes. From TOP treating the chinese restaurant wastes, 37 strains of mesophilic or thermophilic bacteria were primarily isolated using medium used for the isolation and among them 6 strains of thermophilic and 7 strains of mesophilic bacteria were selected by testing the activities of amylase, cellulase, protease and lipase. TB-1, TB-9 as thermophilic bacteria and MB-15-1, 15-2, MB23 as mesophilic bacteria having strong enzyme activity were selected among isolated strains. All selected strains reduced nitrate to nitrite and they utilized glucose, manose, manitol, and maltose as carbon source. From these MB15-2 was identified as Bacillus cereus, TB1, Bacillus licheniformis and TB9; Bacillus schlegelii.

Keywords

Chinese restaurant wastes;Mesophilic bacteria;Thermophilic bacteria;Thermophilic oxic process

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