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Appl Environ Microbiol. 1972 June; 23(6): 1125-1130
Copyright © 1972 American Society for Microbiology. All Rights Reserved.

Dry Heat Inactivation of Bacillus subtilis var. niger Spores as a Function of Relative Humidity

J. P. Brannen and D. M. Garst

1 Planetary Quarantine Department, Sandia Laboratories, Albuquerque, New Mexico 87115

ABSTRACT

Dry heat sterilization of Bacillus subtilis var. niger spores at 105 C is enhanced in the relative humidity range 0.03 to 0.2%. D-values of 115 and 125 C are predicted by a kinetic model with parameters set from 105 C data. These predictions are compared to observations.


Appl Environ Microbiol. 1972 June; 23(6): 1125-1130
Copyright © 1972 American Society for Microbiology. All Rights Reserved.