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> 한국미생물생명공학회(구 한국산업미생물학회) > Journal of Microbiology and Biotechnology > 29권 6호

Comparison of Bioethanol Production by Candida molischiana and Saccharomyces cerevisiae from Glucose, Cellobiose, and Cellulose

Comparison of Bioethanol Production by Candida molischiana and Saccharomyces cerevisiae from Glucose, Cellobiose, and Cellulose

( Jianning Zheng ) , ( Abhishek Negi ) , ( Chanin Khomlaem ) , ( Beom Soo Kim )

- 발행기관 : 한국미생물생명공학회(구 한국산업미생물학회)

- 발행년도 : 2019

- 간행물 : Journal of Microbiology and Biotechnology, 29권 6호

- 페이지 : pp.905-912 ( 총 8 페이지 )


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논문제목
초록(외국어)
Bioethanol has attracted much attention in recent decades as a sustainable and environmentally friendly alternative energy source. In this study, we compared the production of bioethanol by Candida molischiana and Saccharomyces cerevisiae at different initial concentrations of cellobiose and glucose. The results showed that C. molischiana can utilize both glucose and cellobiose, whereas S. cerevisiae can only utilize glucose. The ethanol yields were 43-51% from different initial concentrations of carbon source. In addition, different concentrations of microcrystalline cellulose (Avicel) were directly converted to ethanol by a combination of Trichoderma reesei and two yeasts. Cellulose was first hydrolyzed by a fully enzymatic saccharification process using T. reesei cellulases, and the reducing sugars and glucose produced during the process were further used as carbon source for bioethanol production by C. molischiana or S. cerevisiae. Sequential culture of T. reesei and two yeasts revealed that C. molischiana was more efficient for bioconversion of sugars to ethanol than S. cerevisiae. When 20 g/l Avicel was used as a carbon source, the maximum reducing sugar, glucose, and ethanol yields were 42%, 26%, and 20%, respectively. The maximum concentrations of reducing sugar, glucose, and ethanol were 10.9, 8.57, and 5.95 g/l, respectively, at 120 h by the combination of T. reesei and C. molischiana from 50 g/l Avicel.

논문정보
  • - 주제 : 자연과학분야 > 생물
  • - 발행기관 : 한국미생물생명공학회(구 한국산업미생물학회)
  • - 간행물 : Journal of Microbiology and Biotechnology, 29권 6호
  • - 발행년도 : 2019
  • - 페이지 : pp.905-912 ( 총 8 페이지 )
  • - UCI(KEPA) : I410-ECN-0102-2019-400-001363067
저널정보
  • - 주제 : 자연과학분야 > 생물
  • - 성격 : 학술지
  • - 간기 : 월간
  • - 국내 등재 : KCI 등재
  • - 해외 등재 : SCI / SCOPUS
  • - ISSN : 1017-7825
  • - 수록범위 : 1991–2021
  • - 수록 논문수 : 5624