Dextran production by Leuconostoc mesenteroides in the presence of a dextranase producing yeast, Lipomyces starkeyi |
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| Authors: | Doman Kim Hyun-Chang Seo Donal F. Day |
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| Affiliation: | (1) Department of Biochemical Engineering, Chonnam National University, 500-757 Kwangju, Korea;(2) Department of Biochemistry and Biophysics, Iowa State University, 50011 Ames, IA;(3) The Audubon Sugar Institute, Louisiana State University, 70803 Baton Rouge, LA, USA |
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| Abstract: | ![]()
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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