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The molecular weight of xanthan polysaccharide produced under oxygen limitation

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Summary

The molecular weight distributions of xanthan polysaccharide were determined by size-exclusion chromatography during batch fermentations in a bubble column. Xanthan with lower weight-mean molecular weight M * W was formed after growth had ceased. Under oxygen limitation, M * W decreased linearly with the specific oxygen uptake rate resulting in lower viscosity yield of the product.

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Authors and Affiliations

  1. GBF, National Research Center for Biotechnology, Mascheroder Weg 1, D-3300, Braunschweig, West Germany

    I. -S. Suh, H. Herbst, A. Schumpe & W. -D. Deckwer

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  1. I. -S. Suh
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  2. H. Herbst
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  3. A. Schumpe
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  4. W. -D. Deckwer
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Suh, I.S., Herbst, H., Schumpe, A. et al. The molecular weight of xanthan polysaccharide produced under oxygen limitation. Biotechnol Lett 12, 201–206 (1990). https://doi.org/10.1007/BF01026799

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