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PRODUCTION OF ETHANOL BY THE THERMOTOLERANT YEAST KLUYVEROMYCES-MARXIANUS IMB3 DURING GROWTH ON LACTOSE-CONTAINING MEDIA

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BRADY, D, MARCHANT, R, MCHALE, L and MCHALE, AP (1994) PRODUCTION OF ETHANOL BY THE THERMOTOLERANT YEAST KLUYVEROMYCES-MARXIANUS IMB3 DURING GROWTH ON LACTOSE-CONTAINING MEDIA. BIOTECHNOLOGY LETTERS, 16 (7). pp. 737-740. [Journal article]

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DOI: 10.1007/BF00136482

Abstract

The thermotolerant yeast strain, Kluyveromyces marxianus IMB3 was shown to be capable of growth and ethanol production on lactose containing media at 45 degrees C. On media containing 4% (w/v) lactose, ethanol production increased to 6.0g/l within 50h and this represented 29% of theoretical yield. During growth on lactose containing media the organism was shown to produce a cell-associated beta-galactosidase and no significant enzyme could be detected in the extracellular culture filtrate. Addition of beta-galactosidase, released from Kluyveromyces marxianus IMB3 cells, to active fermentations, resulted in increasing ethanol production to 53% of theoretical yield at 45 degrees C.

Item Type:Journal article
Faculties and Schools:Faculty of Life and Health Sciences
Faculty of Life and Health Sciences > School of Biomedical Sciences
Faculty of Life and Health Sciences > School of Pharmacy and Pharmaceutical Science
Research Institutes and Groups:Biomedical Sciences Research Institute
Biomedical Sciences Research Institute > Pharmaceutical Science and Practice
ID Code:21514
Deposited By:Professor Anthony McHale
Deposited On:28 Mar 2012 16:15
Last Modified:04 Dec 2012 11:59

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