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Continuous fermentation to produce xanthan biopolymer: Laboratory investigation

✍ Scribed by R. W. Silman; P. Rogovin

Publisher: John Wiley and Sons
Year: 1970
Tongue: English
Weight: 397 KB
Volume: 12
Category: Article
ISSN: 0006-3592
DOI: 10.1002/bit.260120107

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✦ Synopsis

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.

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