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Titolo:
Isolation of thermotolerant ethanologenic yeasts and use of selected strains in industrial scale fermentation in an Egyptian distillery
Autore:
Abdel-Fattah, WR; Fadil, M; Nigam, P; Banat, IM;
Indirizzi:
Univ Ulster, Biotechnol Res Grp, Coleraine BT52 1SA, Londonderry, North Ireland Univ Ulster Coleraine Londonderry North Ireland BT52 1SA y, North Ireland Texas A&M Univ, Dept Biol, Kingsville, TX USA Texas A&M Univ Kingsville TX USA A&M Univ, Dept Biol, Kingsville, TX USA Natl Res Ctr, Microbiol Lab, Cairo, Egypt Natl Res Ctr Cairo EgyptNatl Res Ctr, Microbiol Lab, Cairo, Egypt
Titolo Testata:
BIOTECHNOLOGY AND BIOENGINEERING
fascicolo: 5, volume: 68, anno: 2000,
pagine: 531 - 535
SICI:
0006-3592(20000605)68:5<531:IOTEYA>2.0.ZU;2-V
Fonte:
ISI
Lingua:
ENG
Soggetto:
REPEATED-BATCH FERMENTATION; KLUYVEROMYCES-MARXIANUS IMB3; SACCHAROMYCES-CEREVISIAE; FLOCCULATING YEAST; ZYMOMONAS-MOBILIS; TEMPERATURE; TOLERANCE;
Keywords:
thermotolerant; ethanol; yeast; fermentation; Kluyveromyces marxianus; Saccharomyces cerevisiae; distillery;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Life Sciences
Citazioni:
21
Recensione:
Indirizzi per estratti:
Indirizzo: Banat, IM Univ Ulster, Biotechnol Res Grp, Coleraine BT52 1SA, Londonderry, North Ireland Univ Ulster Coleraine Londonderry North Ireland BT52 1SA reland
Citazione:
W.R. Abdel-Fattah et al., "Isolation of thermotolerant ethanologenic yeasts and use of selected strains in industrial scale fermentation in an Egyptian distillery", BIOTECH BIO, 68(5), 2000, pp. 531-535

Abstract

An enrichment and isolation program for new ethanol-producing thermotolerant yeasts as well as a screening program of some known thermotolerant strains resulted in the selection of several strains capable of growth at 40-43 degrees C. Among these strains four grew and fermented sugar cane molasses at 43 degrees C under batch conditions with sugar-conversion efficiencies >94% and ethanol concentrations 6.8-8.0% (w/v). The two best-performing strains, a Saccharomyces cerevisiae F111 and a Kluyveromyces marxianus WR12 were used in eight 87.5 m(3) fermentation runs (four using each strain) for industrial ethanol production in an Egyptian distillery using sugar cane molasses. Mean ethanol production was 7.7% and 7.4% (w/v), respectively, with an added advantage of cooling elimination during fermentation and higher ethanol yields compared to the distillery's S. cerevisiae SIIC (ATCC 24855) strain in use. The isolate S. cerevisiae F111 was subsequently adopted by thedistillery for regular production with significant economical gains and water conservation. (C) 2000 John Wiley & Sons, Inc.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 06/04/20 alle ore 23:47:53