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Clarification of xanthan gum with extracellular enzymes secreted by Trichoderma koningii

Triveni, R. and Shamala, T.R. (1999) Clarification of xanthan gum with extracellular enzymes secreted by Trichoderma koningii. Process Biochemistry, 34. pp. 49-53.

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Abstract

Xanthomonas campestris cells present in xanthan fermentation broth were lysed by enzymes secreted by Trichoderma koningii. Protease which appeared responsible for cell lysis was produced by the fungus in solid-state fermentation of wheat bran optimally at pH 7 and 30°C in 72 h. The culture filtrate, having protease in addition to other extracellular enzymes, was used as such to clarify xanthan solution and found to lyse the cells optimally at pH 7 and 50°C. The maximum transparency of xanthan solution achieved was 63%.

Item Type: Article
Uncontrolled Keywords: xanthan clarification; lytic enzymes; protease; solid-state fermentation; Trichoderma koningii
Subjects: 600 Technology > 05 Chemical engineering > 04 Fermentation Technology
500 Natural Sciences and Mathematics > 07 Life Sciences > 03 Biochemistry & Molecular Biology > 12 Microbial Biochemistry
Divisions: Food Microbiology
Depositing User: Food Sci. & Technol. Information Services
Date Deposited: 01 Oct 2007 11:06
Last Modified: 28 Dec 2011 09:30
URI: http://ir.cftri.com/id/eprint/1452

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