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

Ibrahim Banat; Poonam Singh - Nee Nigam; R Marchant

doi:10.1007/BF01201874

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

Ibrahim Banat, Poonam Singh - Nee Nigam, R Marchant

Research output: Contribution to journal › Article › peer-review

196 Citations (Scopus)

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.

Original language	English
Pages (from-to)	259-263
Journal	World Journal of Microbiology and Biotechnology
Volume	8
Issue number	3
DOIs	https://doi.org/10.1007/BF01201874
Publication status	Published (in print/issue) - May 1992

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@article{e3a8bee7d3544d0f992864507d4f859b,

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

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.",

author = "Ibrahim Banat and {Singh - Nee Nigam}, Poonam and R Marchant",

year = "1992",

month = may,

doi = "10.1007/BF01201874",

language = "English",

volume = "8",

pages = "259--263",

journal = "World Journal of Microbiology and Biotechnology",

issn = "1573-0972",

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AU - Banat, Ibrahim

AU - Singh - Nee Nigam, Poonam

AU - Marchant, R

PY - 1992/5

Y1 - 1992/5

N2 - 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.

AB - 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.

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DO - 10.1007/BF01201874

M3 - Article

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VL - 8

SP - 259

EP - 263

JO - World Journal of Microbiology and Biotechnology

JF - World Journal of Microbiology and Biotechnology

IS - 3

ER -

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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