Continuous fermentation to produce xanthan biopolymer: Laboratory investigation
- 1 January 1970
- journal article
- research article
- Published by Wiley in Biotechnology & Bioengineering
- Vol. 12 (1) , 75-84
- https://doi.org/10.1002/bit.260120107
Abstract
Xanthan biopolymer has been produced by single‐stage continuous fermentation with Xanthomonas campestris NRRL B‐1459 in a medium of glucose, minerals, distillers' solubles, and urea for as long as 20 days. At the highest dilution rate studied (D = 0.0285 hr−1), the steady state rate of xanthan production was 0.36 g/kg/hr and the steady state yield, basis glucose consumed, was 68%. Observations indicate that xanthan production rate is a function of pH and D.Keywords
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