Use of carbohydrate-supplemented distillery spent wash as a medium for ethanol production by a thermotolerant strain of yeast at 45 degrees C.

N Barron, A Rollan, R Marchant, D Higgins, Anthony McHale

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Spent wash from the Old Bushmill's Distillery Co. Ltd. was supplemented with either glucose (10% [w/v]) or cellulose (5% [w/v]) and used as a medium for the thermotolerant yeast strain Kluyveromyces marxianus IMB3. There was no significant difference in ethanol production during growth on these media at 45 degrees C, compared with that produced during growth on conventional, pre-defined laboratory media. On glucose supplemented spent wash ethanol yields were in the region of 45 g/L, representing 87% of the maximum theoretical yield. Analysis of spent media from the glucose-containing fermentations demonstrated that the total organic carbon (TOC) content was reduced by 36%. The results suggest a novel means of utilizing whiskey distiller spent wash.
LanguageEnglish
Pages349-352
JournalBiotechnology Techniques
Volume10
Issue number5
Publication statusPublished - May 1996

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ethanol production
yeasts
carbohydrates
glucose
whisky
Kluyveromyces marxianus
cellulose
ethanol
fermentation
carbon

Cite this

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title = "Use of carbohydrate-supplemented distillery spent wash as a medium for ethanol production by a thermotolerant strain of yeast at 45 degrees C.",
abstract = "Spent wash from the Old Bushmill's Distillery Co. Ltd. was supplemented with either glucose (10{\%} [w/v]) or cellulose (5{\%} [w/v]) and used as a medium for the thermotolerant yeast strain Kluyveromyces marxianus IMB3. There was no significant difference in ethanol production during growth on these media at 45 degrees C, compared with that produced during growth on conventional, pre-defined laboratory media. On glucose supplemented spent wash ethanol yields were in the region of 45 g/L, representing 87{\%} of the maximum theoretical yield. Analysis of spent media from the glucose-containing fermentations demonstrated that the total organic carbon (TOC) content was reduced by 36{\%}. The results suggest a novel means of utilizing whiskey distiller spent wash.",
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Use of carbohydrate-supplemented distillery spent wash as a medium for ethanol production by a thermotolerant strain of yeast at 45 degrees C. / Barron, N; Rollan, A; Marchant, R; Higgins, D; McHale, Anthony.

In: Biotechnology Techniques, Vol. 10, No. 5, 05.1996, p. 349-352.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Use of carbohydrate-supplemented distillery spent wash as a medium for ethanol production by a thermotolerant strain of yeast at 45 degrees C.

AU - Barron, N

AU - Rollan, A

AU - Marchant, R

AU - Higgins, D

AU - McHale, Anthony

PY - 1996/5

Y1 - 1996/5

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AB - Spent wash from the Old Bushmill's Distillery Co. Ltd. was supplemented with either glucose (10% [w/v]) or cellulose (5% [w/v]) and used as a medium for the thermotolerant yeast strain Kluyveromyces marxianus IMB3. There was no significant difference in ethanol production during growth on these media at 45 degrees C, compared with that produced during growth on conventional, pre-defined laboratory media. On glucose supplemented spent wash ethanol yields were in the region of 45 g/L, representing 87% of the maximum theoretical yield. Analysis of spent media from the glucose-containing fermentations demonstrated that the total organic carbon (TOC) content was reduced by 36%. The results suggest a novel means of utilizing whiskey distiller spent wash.

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T2 - Biotechnology Techniques

JF - Biotechnology Techniques

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