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New method for measuring the cell water content by thermogravimetry

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Summary

A new, accurate and simple method for measuring the cell water content is described. The interpretation of water elimination during the drying process of packed microorganisms is used to calculate both the extracellular and intracellular water.

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Abbreviations

P:

weight of fractions as a percentage of the initial weight of wet material

M:

weight of considered fraction

t:

time

Wd:

weight of intracellular water content as a percentage of the weight of dry material

s:

sediment

d:

dry cells

i:

intracellular water

e:

external water

w:

added water

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Authors and Affiliations

  1. Départment de Génie Biochimique et Alimentaire, ERA-CNRS No 879, INSA, Avenue de Rangueil, F-31077, TOULOUSE CEDEX

    J. L. Uribelarrea, S. Pacaud & G. Goma

Authors
  1. J. L. Uribelarrea
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  2. S. Pacaud
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  3. G. Goma
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Uribelarrea, J.L., Pacaud, S. & Goma, G. New method for measuring the cell water content by thermogravimetry. Biotechnol Lett 7, 75–80 (1985). https://doi.org/10.1007/BF01026672

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  • DOI: https://doi.org/10.1007/BF01026672

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