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首页> 外文期刊>Food Microbiology >A predictive model of growth from spores of non-proteolytic Clostridiumbotulinum in the presence of different CO2 concentrations as influenced bychill temperature, pH and NaCl
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A predictive model of growth from spores of non-proteolytic Clostridiumbotulinum in the presence of different CO2 concentrations as influenced bychill temperature, pH and NaCl

机译：A predictive model of growth from spores of non-proteolytic Clostridiumbotulinum in the presence of different CO2 concentrations as influenced bychill temperature, pH and NaCl

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In the present study, the effect of modified atmospheres ranging from 0-90 CO2 (balance 10 H-2 and N-2) was evaluated on growth from spores of non-proteolytic Clostridium botulinum (types B, E and F). at different pH and NaCl concentrations, over the temperature range 5-12 degreesC Growth tests were carried out using a model broth system, PYGS (peptone, yeast, glucose, starch). In general terms, a CO2 concentration of 5 enhanced growth, 50 CO2 showed a moderate inhibition and 90 had a considerable inhibitory effect. A predictive model has been developed that describes the effect of CO2, in combination with other mild preservative factors, on growth from spores of non-proteolytic C. botulinum. The model provides ago od description of the experimental data.

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