한국미생물·생명공학회지 (Microbiology and Biotechnology Letters)

  • 제21권5호
  • /
  • Pages.478-485
  • /
  • 1993
  • /
  • 1598-642X(pISSN)
  • /
  • 2234-7305(eISSN)
한국미생물·생명공학회 (The Korean Society for Microbiology and Biotechnology)
권호 표지

Bacillus sp. LK-1의 Exopolysaccharides(POL-II) 생산 및 특성

The Production and Properties of Exopolysaccharides(P0L-11) by Bacillus sp. LK-1

  • 김양효 (한솔제지) ;
  • 안성구 (한국과학기술연구원 유전공학연구소 미생물공학연구실) ;
  • 서현호 (한국과학기술연구원 유전공학연구소 미생물공학연구실) ;
  • 김혜자 (한국과학기술연구원 유전공학연구소 미생물공학연구실) ;
  • 윤병대 (한국과학기술연구원 유전공학연구소 미생물공학연구실)
  • 발행 : 1993.10.01
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초록

The strain which produced highly viscous exopolysaccharides (EPS) in liquid culture was selected from soil. The strain was supposed to Bacillus sp. from the results of mophological, biochemical and physiological tests. The medium composition for EPS production was trypton 0.75%, sucrose 4%, CaCO3 0.01%, Winogradsky's nitrogen free mineral medium 5ml/l and pH 7.0. In 2-l jar fernenter, the viscosity of culture broth after 120-hr cultivation time was very high (60, 000 cps) and the amount of EPS was 6.2g/l.

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