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JSIR Vol.68(05) [May 2009] >


Title: High efficiency alcohol tolerant Saccharomyces isolates of Phoenix dactylifera for bioconversion of sugarcane juice into bioethano
Authors: Gupta, Nidhi
Dubey, Ashutosh
Tewari, Lakshmi
Keywords: Bioconversion
Bioethanol
Phoenix dactylifera
Saccharomyces sp. Sugarcane juice
Issue Date: May-2009
Publisher: CSIR
Abstract: Various indigenous strains of Saccharomyces sp. (SCP-1, SCP-3, SCP-4, SCP-5, SCP-7) isolated from datepalm (Phoenix dactylifera) sap were evaluated for alcohol dehydrogenase (ADH) enzyme activity, ethanol production and alcohol tolerance limits and compared with standard culture of S. cerevisiae (S.C.Std). Alcoholic contents in juice samples fermented with different yeast strains varied considerably (8.9-12.5%, v/v) as determined by GLC. Yeast cultures showed varied in vitro ethanol tolerance (3-12%). Isolate SCP-1 was found superior showing 12.5% ethanol production, high ADH enzyme activity (4.38 units/ml) and higher alcohol tolerance maintaining cell viability at 12% ethanol in YPD medium up to 48 h
Page(s): 401-405
ISSN: 0022-4456
Source:JSIR Vol.68(05) [May 2009]

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