Survival of Clostridium botulinum Spores
AUTOR(ES)
Anellis, A.
RESUMO
Radiation survival curves of spores of Clostridium botulinum strain 33A exhibited an exponential reduction which accounted for most of the population, followed by a “tail” comprising a very small residual number [7 to 0.7 spore(s) per ml] which resisted death in the range between 3.0 and 9.0 Mrad dose levels. The “tail” was not caused by protective spore substances released into the suspensions during irradiation, by the presence of accumulated radiation “inactivated” spores, or by heat shock of pre-irradiated spores. The theoretical number of spore targets which must be inactivated by irradiation was estimated both by a graphical and by a computation method to be about 80, and the D value was calculated to be 0.295 and 0.396 Mrad, respectively, in buffer and in pork pea broth.
ACESSO AO ARTIGO
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=1058263Documentos Relacionados
- Survival and Outgrowth of Clostridium botulinum Type E Spores in Smoked Fish
- Comparative dose-survival curves of representative Clostridium botulinum type F spores with type A and B spores.
- Fixation of Mature Spores of Clostridium botulinum
- Effect of storage time and temperature on the survival of Clostridium botulinum spores in acid media.
- EFFECT OF SUBTILIN ON SPORES OF CLOSTRIDIUM BOTULINUM