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A method has been proposed to obtain growth rate estimates from simple time-to-visible-growth measurements by means of inoculum variation. In case the data are censored an algorithm using a maximum likelihood estimation method is given. Growth rates forLactobacillus plantarum obtained by this method have been used to develop a model for the prediction of the growth rate as a function of temperature and pH. The model was validated by plate counts. It can be applied in a pH range of 3.2 to 8 and a temperature range of 6 to 21 °C.
Cuppers et al. (Wed,) studied this question.