Xanthan production by Xanthomonas campestris in continuous fermentation

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Title
Xanthan production by Xanthomonas campestris in continuous fermentation
Author(s)
Pil Kyung Lee; Ho Nam Chang; Byung Hong Kim
Bibliographic Citation
Biotechnology Letters, vol. 11, no. 8, pp. 573-578
Publication Year
1989
Abstract
Xanthan production by a strain of X. campestris was maintained longer under glucose-limited than nitrogen-limited conditions in continuous culture. The turnover Q was 12 at lower pH(5.0-6.0) and 6.5 at neutral pH; xanthan productivity was comparable at both pH in nitrogen-limited continuous cultures. In the Fe-rich continuous fermentation cell degeneration did not occur for 65 turnovers whereas in the Fe-deficient fermentation it occurred in 12 turnovers. The culture stability for xanthan formation is higher under conditions which are favorable for cell growth with limited xanthan production.
ISSN
0141-5492
Publisher
Springer
DOI
http://dx.doi.org/10.1007/BF01040038
Type
Article
Appears in Collections:
1. Journal Articles > Journal Articles
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