Estimation of non-isothermal growth of bacteria Aeromonas hydrophila from isothermal data
DOI:
https://doi.org/10.31416/rsdv.v3i2.169Keywords:
Predictive microbiology, Mathematical modeling, Non-isothermal modelAbstract
In recent years considerable effort has been invested in the development of mathematical models to explain the growth of microorganisms in food products. For these models may be applied in foods stored in real conditions is necessary to consider the effect of changes in variables such as temperature. The objective of this study was to evaluate the methodology proposed by Corradini and Peleg (2005) and Corradini et al. (2006) to obtain a nonisothermal model from isothermal growth data of the bacterium Aeromonas hydrophila, adjusted by Gompertz modified model. The isothermal growth data were obtained from the database ComBase Predictor and secondary models were obtained with the mathematical functions "Power" and "Power 1". The modified Gompertz model fits well to the data of isothermal growth of the bacterium Aeromonas and use of functions "Power" and "Power 1" in the secondary model adjustment showed good results. Was possible to predict the non-isothermal growth of Aeromonas hydrophila bacteria using the methodology proposed by Corradini and Peleg (2005) and Corradini et al. (2006).
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