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ISOLATION OF THERMOTOLERANT, FERMENTATIVE YEASTS GROWING AT 52-DEGREES-C AND PRODUCING ETHANOL AT 45-DEGREES-C AND 50-DEGREES-C

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Banat, Ibrahim, Singh - Nee Nigam, Poonam and Marchant, R (1992) ISOLATION OF THERMOTOLERANT, FERMENTATIVE YEASTS GROWING AT 52-DEGREES-C AND PRODUCING ETHANOL AT 45-DEGREES-C AND 50-DEGREES-C. WORLD JOURNAL OF MICROBIOLOGY & BIOTECHNOLOGY, 8 (3). pp. 259-263. [Journal article]

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Abstract

Five thermotolerant, alcohol-producing yeast cultures were isolated from samples obtained from India. Two were identified as of Kluyveromyces marxianus. All five grew on plate-cultures up to 52-degrees-C, with maximum growth rates in liquid culture at 40-degrees-C. All produced relatively high alcohol concentrations: 5.7 to 7.0% (w/v) at 45-degrees-C and 5.0 to 5.5% (w/v) at 50-degrees-C when growing on 14.0% (w/v) glucose. All five isolates fermented diluted molasses containing 16.0% (w/v) total sugars, producing 5.6 to 6.0% (w/v) alcohol concentrations. Supplementing the molasses with P, K, Mg and Mn resulted in a 13 to 20% increase in alcohol production at 40-degrees-C. The maximum amounts of alcohol produced on supplemented molasses were 7.5 to 8.0 and 6.5 to 7.0% (w/v) at 37-degrees-C and 40-degrees-C, respectively.

Item Type:Journal article
Faculties and Schools:Faculty of Life and Health Sciences
Faculty of Life and Health Sciences > School of Biomedical Sciences
Research Institutes and Groups:Biomedical Sciences Research Institute
Biomedical Sciences Research Institute > Infection and Immunity/Microbiology
Biomedical Sciences Research Institute > Pharmaceutical Science and Practice
ID Code:5575
Deposited By:Dr Poonam Singh - Nee Nigam
Deposited On:21 Dec 2009 11:59
Last Modified:16 May 2012 14:29

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