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Research Articles

Isolation of Alcohol-tolerant Amylolytic Saccharomyces cerevisiae and Its Application to Alcohol Fermentation

원문정보

Hee-Kyoung Jung, Chi-Duck Park, Joo-Heon Hong, Dong-Ho Bae

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초록

영어

An novel amylolytic yeast, Saccharomyces cerevisiae HA 27, isolated from nuruk, displayed resistance against highsugar (50% glucose) and alcohol (15%). Maximal production of amylolytic enzyme by S. cerevisiae HA 27 was achieved on 9days of cultivation at the optimal temperature 20oC and pH 6.0. The activity of amylolytic enzyme produced by S. cerevisiaeHA 27 was stable, even at 70oC, and over a broad pH range (4.0-11.0). Also, the amylolytic enzyme of S. cerevisiae HA 27showed optimal activity in pH 5.0 at 50oC. S. cerevisiae HA 27 exhibited 6.2%(v/v) alcohol fermentation ability using starchas a carbon source.

목차

Abstract
 Introduction
 Materials and Methods
 Results and Discussion
 Acknowledgments
 References

저자정보

  • Hee-Kyoung Jung Bio Industry Center, Daegu Technopark, Daegu 704-801, Korea
  • Chi-Duck Park Bio Industry Center, Daegu Technopark, Daegu 704-801, Korea
  • Dong-Ho Bae Department of Bioscience and Biotechnology, Konkuk University, Seoul 143-701, Korea
  • Joo-Heon Hong Bio Industry Center, Daegu Technopark, Daegu 704-801, Korea

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자료제공 : 네이버학술정보

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