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Growth Profile of Some Yeasts in Pear Marc Extracts

배 추출박 추출물에서 몇 종류 효모들의 생육 특성

  • Jang, In-Taek (Department of Life Science and Genetic Engineering, Paichai University) ;
  • Kang, Min-Gu (Department of Life Science and Genetic Engineering, Paichai University) ;
  • Na, Kwang-Chul (Department of Food Nutrient and Culinary, Chosun University College of Science & Technology) ;
  • Lee, Jong-Soo (Department of Life Science and Genetic Engineering, Paichai University)
  • 장인택 (배재대학교 생명유전공학과) ;
  • 강민구 (배재대학교 생명유전공학과) ;
  • 나광출 (조선이공대학 식품영양조리과학과) ;
  • 이종수 (배재대학교 생명유전공학과)
  • Received : 2011.10.12
  • Accepted : 2011.10.28
  • Published : 2011.12.01

Abstract

Growth profiles of Candida krusei KCTC 7213, Torulopsis sphaerica KCTC 7138 and Zygosaccharomyces rouxii KCCM 12066 in pear marc extract were determined. Candida krusei KCTC 7213 showed the highest growth in 20 hr cultivation at $30^{\circ}C$, whereas both of Torulopsis sphaerica KCTC 7138 and Zygosaccharomyces rouxii KCCM 12066 established maximal growth by 25 hr of cultivation at $30^{\circ}C$ in pear marc extract. However, all of yeasts showed lower growth in pear marc extracts rather than those of YEPD medium.

배 추출박에 의한 환경오염을 줄이고 이들로부터 효모 biomass를 생산하기 위하여 배 추출박의 물 추출물을 제조한 다음 3종류의 효모의 생육특성을 조사하였다. Candida krusei KCTC 7213은 배 추출박 물 추출물 배지에서 $30^{\circ}C$로 20시간 배양하였을 때 최고의 생육을 보였고 Torulopsis sphaerica KCTC 7138과 Zygosaccharomyces rouxii KCCM 12066은 $30^{\circ}C$로 25시간 배양하였을 때 가장 잘 생육 하였다. 그러나 이들 생육도는 YEPD 배지에서 보다 낮았다.

Keywords

References

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