한국미생물·생명공학회지 (Microbiology and Biotechnology Letters)

  • 제45권4호
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  • Pages.316-321
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  • 2017
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  • 1598-642X(pISSN)
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  • 2234-7305(eISSN)
한국미생물·생명공학회 (The Korean Society for Microbiology and Biotechnology)
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홍조류(Eucheuma denticulatum)를 이용한 바이오에탄올 생산

Bioethanol Production from the Red Seaweed Eucheuma denticulatum

  • Kim, Sang Won (Department of Biotechnology, Pukyong National University) ;
  • Gwak, Seung Hee (Department of Biotechnology, Pukyong National University) ;
  • Ra, Chae Hun (Department of Biotechnology, Pukyong National University) ;
  • Kim, Sung-Koo (Department of Biotechnology, Pukyong National University)
  • 투고 : 2017.10.16
  • 심사 : 2017.12.12
  • 발행 : 2017.12.28
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초록

Hyperthermal acid hydrolysis pretreatment of Eucheuma denticulatum was carried out using 12% (w/v) seaweed slurry and 90 mM $H_3PO_4$ at $150^{\circ}C$ for 10 min. The use of Candida lusitaniae with adaptive evolution was evaluated for ethanol fermentation. The levels of ethanol production by separate hydrolysis and fermentation (SHF) at 72 h with non-adapted and adapted C. lusitaniae were 10.1 g/l with ethanol yield ($Y_{EtOH}$) of 0.23, and 18.1 g/l with $Y_{EtOH}$ of 0.45, respectively. Adaptive evolution was employed in this study to improve the efficiency of ethanol fermentation. Development of the SHF process could enhance the overall ethanol fermentation yields of the red seaweed E. denticulatum.

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참고문헌

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