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. 1978 Nov;36(5):710–714. doi: 10.1128/aem.36.5.710-714.1978

Dry-heat destruction of lipopolysaccharide: dry-heat destruction kinetics.

K Tsuji, S J Harrison
PMCID: PMC243126  PMID: 103502

Abstract

Dry-heat destruction kinetics of lipopolysaccharides from Escherichia coli, Serratia marcescens, and Salmonella typhosa at 170 to 250 degrees C are described. The destruction rate seems to follow the second order and can be linearized by the equation, log y = a + b . -10cx. Because c is the slope, 1/c = D3. Both a and b are constant at a given temperature and are linear functions of temperature. The D(3)170, D(3)190, D(3)210, D(3)230, and D(3)250 values for E. coli lipopolysaccharide are 251, 99.4, 33.3, 12.3, and 4.99 min, respectively, with a z value of 46.4 min. The D values for lipopolysaccharides from S. marcescens and S. typhosa are not significantly different from those from E. coli lipopolysaccharide.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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