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Dextran production by Leuconostoc mesenteroides in the presence of a dextranase producing yeast, Lipomyces starkeyi

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Biotechnology Techniques

Summary

A new process for the production of small size dextran is developed in which dextran is produced by cultures of Leuconostoc mesenteroides in the presence of a partially constitutive mutant of Lipomyces starkeyi producing dextranase. Mixed cultures were examined by scanning electron microscopy with ruthenium to show the effects of the mixed culture on low molecular weight dextran (M.W. of 5,000 – 100,000) formation. The presence of the size variation in dextran was confirmed by gel permeation chromatography.

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Authors and Affiliations

  1. Department of Biochemical Engineering, Chonnam National University, 500-757, Kwangju, Korea

    Doman Kim

  2. Department of Biochemistry and Biophysics, Iowa State University, 50011, Ames, IA

    Hyun-Chang Seo

  3. The Audubon Sugar Institute, Louisiana State University, 70803, Baton Rouge, LA, USA

    Donal F. Day

Authors
  1. Doman Kim
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  2. Hyun-Chang Seo
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  3. Donal F. Day
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Kim, D., Seo, HC. & Day, D.F. Dextran production by Leuconostoc mesenteroides in the presence of a dextranase producing yeast, Lipomyces starkeyi . Biotechnol Tech 10, 227–232 (1996). https://doi.org/10.1007/BF00184019

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  • DOI: https://doi.org/10.1007/BF00184019

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